Tag Archives: motor shaft coupling

China Hot selling Rigid Shaft Coupling Magnetic Couple Motor Couplings

Product Description

Hot sale: low noise,no leakage, no additional cost for rigid shaft coupling magnetic couple motor couplings

Introduction of rigid shaft coupling magnetic couple motor couplings

Magnetic shaft coupling is a new kind of coupling, which connects motor and machine by permanent magnetic force. 

They are consisted of external rotor, internal rotor and isolating covers.

They work in the sealed magnetic drive pumps, which transporting volatile, flammable, explosive and toxic solutions with no leakage. 

These magnetic shaft couplings can be used to connect gear pumps , screw pumps, centrifugal pumps, etc. with all types of electric motor or gear box. 

Magnetic shaft coupling are widely used in various industries and fields, such as chemical, papermaking, foodstuff, pharmacy, and so on. 

Advantages of rigid shaft coupling magnetic couple motor couplings

» Elimination of fluid leakage from the pump shaft.

» Vibrations are not transmitted to the pump.

» No maintenance required for magnetic couplings.

» Using magnetic couplings allows use of standard pumps without expensive mechanical seals.

» No additional cost for purchasing mechanical seal spare parts and maintenance.

 

Technical drawing of rigid shaft coupling magnetic couple motor couplings

Specification of rigid shaft coupling magnetic couple motor couplings

Item Internal Rotor(mm) External Rotor(mm) Isolating Covering(mm)
A B C D E F G Shaft Pin H I J L N M P Q R S T U
GME03-3LM00 Φ35 Φ10 26 18 M6X12 Φ42 Φ60 Φ50 46 6-M4 Φ40 Φ50 4-Φ5.4 Φ38 Φ60 6 6
GME03-5MM00 Φ42 Φ12 27 4 18 13.8 M6X16 Φ49 Φ72 Φ60 46 4-Φ6.7 Φ52 Φ60 4-Φ6.7 Φ44 Φ74 8 8
GME03-16LM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-16LM01 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 4-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 6 10
GME03-16MM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-22LM00 Φ88 Φ20 29 6 25 22.8 M8X20 Φ97 Φ122 Φ110 70 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-30LM00 Φ88 Φ20 48 6 30 22.8 M8X20 Φ97 Φ122 Φ110 81 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-40LM00 Φ101 Φ25 49 8 28 28.3 M10X20 Φ109 Φ140 Φ124 83 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-50LM00 Φ107 Φ20 70 6 30 22.8 M6X16 Φ113.4 Φ145 Φ135 80 4-M6 Φ126 Φ133 12-Φ8.7 Φ109 Φ153 12 15
GME03-65LM00 Φ101 Φ25 77 8 45 28.3 M10X20 Φ109 Φ140 Φ124 111 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-80LM00 Φ106 Φ32 65 10 21 36.5 M6X25 Φ115 Φ145 Φ135 82 4-M6 Φ127 Φ135 6-Φ8.7 Φ110 Φ153 13 18
GME03-80LM00 Φ141 Φ92 Φ40 65 12 45 43.3 M12X25 Φ152 Φ180 Φ168 100 8-M8 Φ154 Φ164 8-Φ6.7 Φ145 Φ180 12 8
GME03-100LM00 Φ131 Φ82 Φ32 80 10 24.5 35.3 M8X35 Φ139 Φ170 Φ160 100 4-M6 Φ152 Φ158 8-Φ8.7 Φ133 Φ178 14 21
GME03-110LH00 Φ141 Φ92 Φ40 85 10 50 43.3 M12X25 Φ152 Φ184 Φ168 115 12-M8 Φ156 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-110LM00 Φ141 Φ92 Φ35 80 10 55 38.3 M12X25 Φ152 Φ180 Φ168 115 12-M8 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-140LM00 Φ141 Φ92 Φ40 110 12 80 43.3 M12X25 Φ152 Φ190 Φ170 145 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-180LM00 Φ141 Φ92 Φ40 140 12 95 43.3 M12X25 Φ152 Φ190 Φ170 175 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-220LM00 Φ141 Φ92 Φ48 160 14 110 51.8 M12X25 Φ152 Φ190 Φ170 195 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-300LM00 Φ162 Φ65 100 18 60 69.4   Φ170 Φ198 Φ188 123 12-M6 Φ180 Φ192 12-Φ11 Φ163.5 Φ218 16 10
GME03-400LH00 Φ195 Φ70 127 20 107 79.9 M12X25 Φ203 Φ234 Φ222 152 6-M6 Φ212 Φ164 12-Φ11 Φ198 Φ278 16 22

Application of rigid shaft coupling magnetic couple motor couplings

The ability to hermetically separate 2 areas whilst continuing to transmit mechanical power from one to the other makes these couplings ideal for applications where prevention of cross contamination is essential. For instance: hydraulic sectors, dosing systems, compressors, sterilizers, industrial ovens, biotechnology, subsea equipment, pharmaceutical industry, chemical industry, food industry, generators and mixers.

 

 

 

Operation principles of rigid shaft coupling magnetic couple motor couplings

The magnetic coupling works by using the power generated by permanent magnets. No external power supply is needed. These are permanent magnets not electro magnets.

 

Packing Method of rigid shaft coupling magnetic couple motor couplings

Double strength corrugated Carton and Wood case Sea Packing.

 

 

 

rigid shaft coupling

Common Industries and Use Cases for Rigid Shaft Couplings

Rigid shaft couplings find applications in various industries where precise and torque-resistant shaft connections are required. Some of the common industries that use rigid shaft couplings include:

  • Manufacturing: Rigid shaft couplings are widely used in manufacturing machinery, such as lathes, milling machines, and CNC equipment, to provide rigid and accurate power transmission.
  • Robotics: Robots and robotic arms often use rigid shaft couplings to ensure precise motion and synchronization between motors and actuators.
  • Aerospace: In aerospace applications, rigid couplings are used in aircraft engines, landing gear systems, and control surfaces.
  • Automotive: Rigid couplings are utilized in automotive powertrains and drivetrains to transmit torque efficiently and withstand high loads.
  • Marine: Marine propulsion systems and shipboard equipment often employ rigid shaft couplings for reliable torque transmission in challenging environments.
  • Packaging: Packaging machinery relies on rigid couplings to achieve accurate and synchronized movements in filling, sealing, and labeling operations.
  • Steel and Metal Processing: Rigid shaft couplings are essential in steel mills and metal processing equipment to handle heavy loads and maintain precision.
  • Printing and Paper: Printing presses and paper handling machinery use rigid couplings to ensure precise registration and consistent operation.
  • Mining and Construction: Mining equipment and construction machinery utilize rigid couplings for robust power transmission in harsh environments.
  • Energy and Utilities: In power generation plants and utilities, rigid couplings are employed in pumps, compressors, and turbines.

Rigid shaft couplings are versatile and can be found in numerous other industries where precise and efficient power transmission is critical for smooth operation and high-performance machinery.

rigid shaft coupling

How do rigid shaft couplings compare to flexible couplings in terms of torque transmission and misalignment handling?

Rigid shaft couplings and flexible couplings differ in their ability to handle torque transmission and misalignment. Here’s a comparison of these aspects:

  • Torque Transmission: Rigid shaft couplings offer excellent torque transmission due to their solid construction. They efficiently transmit high torque loads without significant power loss. Flexible couplings, on the other hand, may have some inherent power loss due to their flexibility.
  • Misalignment Handling: Flexible couplings excel in compensating for misalignment between shafts. They can accommodate angular, parallel, and axial misalignments, reducing stress on connected equipment. Rigid couplings are limited in their misalignment compensation, primarily handling minimal misalignments. Significant misalignment can lead to increased wear and premature failure.

The choice between rigid and flexible couplings depends on the specific requirements of the application. If precise torque transmission and minimal misalignment are priorities, rigid couplings may be suitable. However, if misalignment compensation and vibration dampening are crucial, flexible couplings are a better option.

rigid shaft coupling

What is a Rigid Shaft Coupling and How Does It Work in Mechanical Systems?

A rigid shaft coupling is a type of coupling used to connect two shafts together in a mechanical system. As the name suggests, it is designed to provide a rigid and solid connection between the shafts, without any flexibility or misalignment compensation.

The primary function of a rigid shaft coupling is to transmit torque from one shaft to another efficiently and with minimal backlash. It achieves this by directly connecting the two shafts using a rigid mechanical interface.

Rigid shaft couplings typically consist of two halves with flanges that are bolted or clamped together around the shaft ends. The flanges are precision machined to ensure accurate alignment of the shafts. Some common types of rigid shaft couplings include:

  • Sleeve Couplings: These are the simplest type of rigid couplings and consist of a cylindrical sleeve with a bore that fits over the shaft ends. The two shafts are aligned and then secured together using screws or pins.
  • Clamp or Split Couplings: These couplings have two halves that are split and bolted together around the shafts. The split design allows for easy installation and removal without the need to disassemble other components of the system.
  • Flanged Couplings: Flanged couplings have two flanges with precision machined faces that are bolted together, providing a robust connection.
  • Tapered Bushing Couplings: These couplings use a tapered bushing to lock the coupling onto the shafts, creating a secure and concentric connection.

Rigid shaft couplings are commonly used in applications where precise alignment is critical, such as in high-speed machinery, precision instruments, and power transmission systems. Since they do not have any flexibility, they are best suited for applications where shaft misalignment is minimal or can be controlled through accurate alignment during installation.

One of the main advantages of rigid shaft couplings is their ability to provide a direct and efficient transfer of torque, making them suitable for high-torque and high-speed applications. Additionally, their simple design and solid connection make them easy to install and maintain.

However, it’s essential to ensure proper alignment during installation to prevent premature wear and stress on the shafts and other components. In cases where misalignment is expected or unavoidable, flexible couplings like beam couplings, bellows couplings, or jaw couplings are more appropriate, as they can compensate for small misalignments and provide some degree of shock absorption.

China Hot selling Rigid Shaft Coupling Magnetic Couple Motor Couplings  China Hot selling Rigid Shaft Coupling Magnetic Couple Motor Couplings
editor by CX 2023-10-08

China Custom Rigid Shaft Coupling Magnetic Couple Motor Couplings

Product Description

Hot sale: low noise,no leakage, no additional cost for rigid shaft coupling magnetic couple motor couplings

Introduction of rigid shaft coupling magnetic couple motor couplings

Magnetic shaft coupling is a new kind of coupling, which connects motor and machine by permanent magnetic force. 

They are consisted of external rotor, internal rotor and isolating covers.

They work in the sealed magnetic drive pumps, which transporting volatile, flammable, explosive and toxic solutions with no leakage. 

These magnetic shaft couplings can be used to connect gear pumps , screw pumps, centrifugal pumps, etc. with all types of electric motor or gear box. 

Magnetic shaft coupling are widely used in various industries and fields, such as chemical, papermaking, foodstuff, pharmacy, and so on. 

Advantages of rigid shaft coupling magnetic couple motor couplings

» Elimination of fluid leakage from the pump shaft.

» Vibrations are not transmitted to the pump.

» No maintenance required for magnetic couplings.

» Using magnetic couplings allows use of standard pumps without expensive mechanical seals.

» No additional cost for purchasing mechanical seal spare parts and maintenance.

 

Technical drawing of rigid shaft coupling magnetic couple motor couplings

Specification of rigid shaft coupling magnetic couple motor couplings

Item Internal Rotor(mm) External Rotor(mm) Isolating Covering(mm)
A B C D E F G Shaft Pin H I J L N M P Q R S T U
GME03-3LM00 Φ35 Φ10 26 18 M6X12 Φ42 Φ60 Φ50 46 6-M4 Φ40 Φ50 4-Φ5.4 Φ38 Φ60 6 6
GME03-5MM00 Φ42 Φ12 27 4 18 13.8 M6X16 Φ49 Φ72 Φ60 46 4-Φ6.7 Φ52 Φ60 4-Φ6.7 Φ44 Φ74 8 8
GME03-16LM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-16LM01 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 4-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 6 10
GME03-16MM00 Φ56 Φ12 45 4 25 13.8 M6X16 Φ63 Φ89 Φ80 75 6-M5 Φ70 Φ75 4-Φ6.7 Φ58 Φ89 8 8
GME03-22LM00 Φ88 Φ20 29 6 25 22.8 M8X20 Φ97 Φ122 Φ110 70 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-30LM00 Φ88 Φ20 48 6 30 22.8 M8X20 Φ97 Φ122 Φ110 81 8-M6 Φ98 Φ108 6-Φ6.7 Φ91 Φ122 8 8
GME03-40LM00 Φ101 Φ25 49 8 28 28.3 M10X20 Φ109 Φ140 Φ124 83 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-50LM00 Φ107 Φ20 70 6 30 22.8 M6X16 Φ113.4 Φ145 Φ135 80 4-M6 Φ126 Φ133 12-Φ8.7 Φ109 Φ153 12 15
GME03-65LM00 Φ101 Φ25 77 8 45 28.3 M10X20 Φ109 Φ140 Φ124 111 8-M8 Φ110 Φ126 8-Φ6.7 Φ103 Φ140 12 6
GME03-80LM00 Φ106 Φ32 65 10 21 36.5 M6X25 Φ115 Φ145 Φ135 82 4-M6 Φ127 Φ135 6-Φ8.7 Φ110 Φ153 13 18
GME03-80LM00 Φ141 Φ92 Φ40 65 12 45 43.3 M12X25 Φ152 Φ180 Φ168 100 8-M8 Φ154 Φ164 8-Φ6.7 Φ145 Φ180 12 8
GME03-100LM00 Φ131 Φ82 Φ32 80 10 24.5 35.3 M8X35 Φ139 Φ170 Φ160 100 4-M6 Φ152 Φ158 8-Φ8.7 Φ133 Φ178 14 21
GME03-110LH00 Φ141 Φ92 Φ40 85 10 50 43.3 M12X25 Φ152 Φ184 Φ168 115 12-M8 Φ156 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-110LM00 Φ141 Φ92 Φ35 80 10 55 38.3 M12X25 Φ152 Φ180 Φ168 115 12-M8 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-140LM00 Φ141 Φ92 Φ40 110 12 80 43.3 M12X25 Φ152 Φ190 Φ170 145 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-180LM00 Φ141 Φ92 Φ40 140 12 95 43.3 M12X25 Φ152 Φ190 Φ170 175 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-220LM00 Φ141 Φ92 Φ48 160 14 110 51.8 M12X25 Φ152 Φ190 Φ170 195 12-M10 Φ154 Φ164 12-Φ6.7 Φ145 Φ180 12 3
GME03-300LM00 Φ162 Φ65 100 18 60 69.4   Φ170 Φ198 Φ188 123 12-M6 Φ180 Φ192 12-Φ11 Φ163.5 Φ218 16 10
GME03-400LH00 Φ195 Φ70 127 20 107 79.9 M12X25 Φ203 Φ234 Φ222 152 6-M6 Φ212 Φ164 12-Φ11 Φ198 Φ278 16 22

Application of rigid shaft coupling magnetic couple motor couplings

The ability to hermetically separate 2 areas whilst continuing to transmit mechanical power from one to the other makes these couplings ideal for applications where prevention of cross contamination is essential. For instance: hydraulic sectors, dosing systems, compressors, sterilizers, industrial ovens, biotechnology, subsea equipment, pharmaceutical industry, chemical industry, food industry, generators and mixers.

 

 

 

Operation principles of rigid shaft coupling magnetic couple motor couplings

The magnetic coupling works by using the power generated by permanent magnets. No external power supply is needed. These are permanent magnets not electro magnets.

 

Packing Method of rigid shaft coupling magnetic couple motor couplings

Double strength corrugated Carton and Wood case Sea Packing.

 

 

 

rigid shaft coupling

Industry Standards and Certifications for Rigid Shaft Couplings

Yes, there are industry standards and certifications that apply to rigid shaft couplings to ensure their quality, performance, and safety. Some of the common standards and certifications include:

  • ISO 14691: This International Organization for Standardization (ISO) standard specifies the requirements and dimensions for metallic straight-toothed rigid couplings with external clamping for shaft connections.
  • ANSI/AGMA 9002-C16: The American Gear Manufacturers Association (AGMA) standard covers measurement methods for evaluating the torsional stiffness of rigid couplings.
  • API 671: This American Petroleum Institute (API) standard applies to special-purpose couplings used in petroleum, chemical, and gas industry services, ensuring reliable operation and safety.
  • DNV GL: Rigid couplings used in marine and offshore applications may require certification from DNV GL, an international accredited registrar and classification society.
  • ATEX: For couplings used in explosive atmospheres, compliance with the ATEX directive is crucial to ensure that the coupling does not become a source of ignition.

When selecting a rigid shaft coupling, it is essential to look for products that comply with these relevant industry standards and certifications. Meeting these standards guarantees that the couplings have undergone rigorous testing and adhere to recognized quality and safety guidelines.

rigid shaft coupling

Can rigid shaft couplings reduce vibrations and noise in mechanical systems?

Rigid shaft couplings are primarily designed for accurate torque transmission and shaft alignment. While they are not specifically intended to reduce vibrations and noise, they can indirectly contribute to minimizing vibrations and noise in mechanical systems.

Here’s how rigid shaft couplings can help mitigate vibrations and noise:

  • Shaft Alignment: Rigid couplings ensure precise alignment between connected shafts. Proper alignment reduces angular and axial misalignment, which can lead to vibrations and noise. By maintaining alignment, rigid couplings prevent the generation of excessive forces that contribute to vibration.
  • Reduced Dynamic Imbalance: Accurate alignment achieved by rigid couplings helps in minimizing dynamic imbalance, which is a common cause of vibrations. When shafts are misaligned, it can lead to uneven distribution of forces and create vibrations in rotating machinery.
  • Minimized Wear: Rigid couplings prevent misalignment-induced wear and excessive friction between shafts. This helps in reducing the potential for vibration-producing irregularities that can arise from worn or damaged components.
  • Stable Connection: Rigid couplings create a solid and stable connection between shafts. This stability minimizes the likelihood of resonances and vibrations caused by flexible components that might amplify vibrations in the system.
  • Uniform Torque Transmission: Rigid couplings facilitate even torque distribution between shafts. Uneven torque transmission can lead to fluctuations and vibration-causing oscillations in the system.

While rigid couplings can provide some indirect benefits in reducing vibrations and noise, they might not be as effective as specialized vibration-damping couplings or other mechanical solutions explicitly designed for vibration and noise reduction. In cases where vibration and noise reduction are critical, engineers might consider incorporating additional measures such as damping materials, flexible couplings, or vibration isolators.

Ultimately, the choice of coupling and vibration reduction strategy depends on the specific requirements of the application. If vibration and noise reduction are primary concerns, it’s advisable to consult with engineering experts and consider coupling designs that prioritize these attributes.

rigid shaft coupling

Are There Different Types of Rigid Shaft Couplings Available, and What Are Their Specific Applications?

Yes, there are different types of rigid shaft couplings available, each with its own specific applications. Some common types of rigid shaft couplings include:

  • Sleeve Couplings: Sleeve couplings are simple and cost-effective couplings that connect two shafts together using a solid sleeve or tube. They are commonly used in applications with moderate torque requirements and where shaft alignment can be maintained with high precision.
  • Clamp or Split Couplings: Clamp or split couplings consist of two halves that are clamped together around the shafts using screws or bolts. They are easy to install and suitable for applications where frequent maintenance or disassembly is required.
  • Flanged Couplings: Flanged couplings have flanges on both ends that are bolted together. They are used in applications where shafts need to be rigidly connected and where some degree of axial movement is expected.
  • Tapered Shaft Couplings: Tapered shaft couplings have tapered bores that fit tightly onto tapered shafts, creating a friction-based connection. They are often used in applications where precise alignment and torque transmission are essential.
  • Keyed Shaft Couplings: Keyed shaft couplings use a key and keyway arrangement to connect the shafts securely. They are commonly used in heavy-duty applications where high torque transmission is required.

The choice of rigid shaft coupling depends on the specific requirements of the application. Factors such as torque transmission, shaft size, alignment precision, ease of installation, and maintenance needs play a crucial role in selecting the appropriate coupling type.

Rigid shaft couplings are widely used in various industries, including manufacturing, power generation, robotics, aerospace, and automotive. They are often employed in applications such as pumps, compressors, conveyors, and high-precision machinery.

It is essential to consider the specific demands of the application and consult with coupling manufacturers or experts to determine the most suitable rigid coupling type for optimal performance and reliability.

China Custom Rigid Shaft Coupling Magnetic Couple Motor Couplings  China Custom Rigid Shaft Coupling Magnetic Couple Motor Couplings
editor by CX 2023-09-21

China supplier Nm128 Cast Iron Jaw Rubber Electric Motor Flexible Shaft Coupling

Product Description

Structure features :
1. The largest torque is 125Kg-m.

2.The product is made of cast iron and cast by precision casting ,which is not easy to cause CHINAMFG breaking during operation.

3.Stable operation ,low noise .

4.In line with GB9439cast iron standards,safe and reliable .

5.Adaptive motor power :within 60HP/45KW.

6.Adaptive shaft diameter : 7-75.

7.Product structure : composed of 2 cast iron convex claw parts and a natural rubber inner ring.

shaft coupling

Exploring the Use of Elastomeric Materials in Flexible Shaft Couplings

Elastomeric materials play a crucial role in the design and function of flexible shaft couplings. These materials, commonly known as elastomers, are rubber-like substances that exhibit high elasticity and flexibility. They are widely used in various types of flexible couplings due to their unique properties and benefits:

1. Damping and Vibration Absorption:

Elastomeric materials have excellent damping characteristics, meaning they can absorb and dissipate vibrations and shocks. This property is particularly useful in applications where vibration control is essential to protect sensitive equipment and improve overall system performance.

2. Misalignment Compensation:

Flexible shaft couplings with elastomeric elements can accommodate different types of misalignments, including angular, parallel, and radial misalignments. The elasticity of the material allows for limited movement between the shafts while still transmitting torque efficiently.

3. Torsional Flexibility:

Elastomers offer torsional flexibility, which allows them to twist and deform under torque loads. This feature helps to minimize torsional stresses and torsional backlash, making them suitable for applications requiring precise motion control.

4. Shock and Impact Resistance:

Due to their high resilience, elastomers can withstand sudden shocks and impacts without permanent deformation. This property makes them ideal for use in machinery subjected to varying loads or rapid changes in torque.

5. No Lubrication Requirement:

Elastomeric couplings are often maintenance-free because the elastomer material does not require additional lubrication. This reduces maintenance costs and simplifies the overall system upkeep.

6. Electric Isolation:

In certain applications, elastomeric materials can provide electrical isolation between the driving and driven components. This can help prevent the transmission of electrical currents or static charges through the coupling.

7. Corrosion Resistance:

Many elastomers used in couplings are resistant to corrosion, making them suitable for use in challenging environments where exposure to chemicals or moisture is a concern.

8. Easy Installation:

Elastomeric couplings are often designed for ease of installation and replacement. Their flexibility allows for simple and quick assembly onto the shafts without the need for special tools or complex procedures.

Given these advantages, elastomeric materials are popular choices for various flexible shaft couplings, including jaw couplings, tire couplings, and spider couplings. However, it is essential to select the right elastomer material based on the specific application requirements, such as temperature range, chemical compatibility, and torque capacity.

“`shaft coupling

Explaining the Concept of Backlash and How It Affects Shaft Coupling Performance

Backlash is the angular movement or play between the mating components of a mechanical system when the direction of motion is reversed. In the context of shaft couplings, backlash refers to the free rotational movement between the connected shafts before the coupling transmits torque from one shaft to the other.

Backlash occurs in certain coupling designs that have features allowing relative movement between the coupling’s mating parts. Common coupling types that may exhibit some degree of backlash include elastomeric couplings (such as jaw couplings), gear couplings, and Oldham couplings.

How Backlash Affects Shaft Coupling Performance:

1. Loss of Precision: In applications requiring precise motion control, backlash can lead to inaccuracies and reduced positional accuracy. For example, in CNC machines or robotics, any rotational play due to backlash can result in positioning errors and decreased machining or movement precision.

2. Reversal Impact: When a reversing load is applied to a coupling, the presence of backlash can lead to a brief period of rotational play before the coupling re-engages, causing a momentary jolt or impact. This impact can lead to increased stress on the coupling and connected components, potentially reducing their lifespan.

3. Dynamic Response: Backlash can affect the dynamic response of the mechanical system. In systems requiring rapid acceleration or deceleration, the initial play due to backlash may create a delay in torque transmission, affecting the system’s responsiveness.

4. Noise and Vibration: Backlash can cause noise and vibration in the system, leading to increased wear and potential fatigue failure of components.

5. Misalignment Compensation: In some flexible coupling designs, a certain amount of backlash is intentionally incorporated to allow for misalignment compensation. While this is a beneficial feature, excessive backlash can compromise the coupling’s performance.

Minimizing Backlash:

Manufacturers often design couplings with specific features to minimize backlash. For instance, some gear couplings employ crowned gear teeth to reduce clearance, while elastomeric couplings may have preloaded elastomeric elements. Precision couplings like zero-backlash or torsionally rigid couplings are engineered to eliminate or minimize backlash for applications requiring high accuracy and responsiveness.

When selecting a coupling, it’s essential to consider the application’s specific requirements regarding precision, speed, reversing loads, and misalignment compensation, as these factors will determine the acceptable level of backlash for optimal performance.

“`shaft coupling

What is a Shaft Coupling and Its Role in Mechanical Power Transmission?

A shaft coupling is a mechanical device used to connect two shafts together at their ends, allowing for the transmission of mechanical power from one shaft to another. It serves as an essential component in various machinery and industrial applications where rotational motion needs to be transmitted between two shafts that are not perfectly aligned or are separated by a distance.

The role of a shaft coupling in mechanical power transmission includes the following:

1. Power Transmission:

The primary function of a shaft coupling is to transmit power from a driving shaft to a driven shaft. When the driving shaft rotates, the coupling transfers the rotational motion to the driven shaft, enabling the driven equipment to perform its intended function.

2. Misalignment Compensation:

In real-world applications, it is often challenging to achieve perfect alignment between two shafts due to manufacturing tolerances or dynamic conditions. Shaft couplings are designed to accommodate different types of misalignment, such as angular, parallel, and axial misalignment, allowing the equipment to function smoothly even when the shafts are not perfectly aligned.

3. Vibration Damping:

Shaft couplings can help dampen vibrations and shocks caused by uneven loads or sudden changes in the operating conditions. This vibration damping feature protects the connected components from damage and contributes to the overall system’s reliability.

4. Overload Protection:

In some cases, a shaft coupling can act as a safety device by providing overload protection. When the connected machinery experiences excessive torque or shock loads, certain types of couplings can disengage or shear to prevent damage to the equipment.

5. Torque and Speed Conversion:

Shaft couplings can be designed to provide torque and speed conversion between the driving and driven shafts. This allows for adaptation to different operating conditions and varying torque requirements in the connected machinery.

6. Flexible Connection:

Shaft couplings with flexible elements, such as elastomeric inserts or flexible discs, provide a flexible connection that can absorb shocks and misalignments. This flexibility helps reduce stress on the connected equipment and extends its lifespan.

Overall, shaft couplings are essential components in mechanical power transmission systems, enabling the efficient transfer of rotational motion between shafts while accommodating misalignments and providing protection against overloads and vibrations. The selection of the appropriate coupling type and design depends on the specific requirements of the application, including the type of misalignment, torque capacity, and operating conditions.

“`
China supplier Nm128 Cast Iron Jaw Rubber Electric Motor Flexible Shaft Coupling  China supplier Nm128 Cast Iron Jaw Rubber Electric Motor Flexible Shaft Coupling
editor by CX 2023-09-18

China factory Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CZPT requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

 

rigid shaft coupling

Can rigid shaft couplings operate in high-temperature or corrosive environments?

Rigid shaft couplings can be designed and manufactured using materials that are suitable for high-temperature or corrosive environments. Common materials used for such applications include stainless steel, nickel alloys, and other corrosion-resistant materials. These materials can withstand elevated temperatures and resist the effects of corrosive substances. When selecting a rigid shaft coupling for high-temperature or corrosive environments, it is essential to consider factors such as the operating temperature range, the specific corrosive substances present, and the overall environmental conditions. Additionally, proper lubrication and maintenance are crucial to ensuring the longevity and optimal performance of rigid couplings in these demanding environments. It is essential to consult with coupling manufacturers or suppliers who specialize in providing solutions for high-temperature or corrosive applications. They can help identify the appropriate materials and designs that will meet the specific requirements of the intended environment.

rigid shaft coupling

Can rigid shaft couplings be used for shafts with different rotational speeds and directions?

Rigid shaft couplings are typically designed for applications where the connected shafts have the same rotational speed and direction. They are not well-suited for scenarios involving significant speed differences or reverse rotation between shafts. The limitations arise from the coupling’s rigid construction, which does not allow for the compensation of speed differentials or changes in direction.

When shafts have different rotational speeds or need to rotate in opposite directions, it can result in uneven loading, increased wear, vibrations, and even coupling failure. Rigid couplings lack the flexibility required to accommodate the variations in speed and direction, which can lead to undesirable consequences in the system.

If your application involves shafts with varying speeds or reverse rotation, it’s recommended to explore flexible coupling options. Flexible couplings, such as gear couplings, elastomeric couplings, or universal joints, are designed to handle these situations by providing a degree of angular and radial flexibility. These couplings can help distribute the loads more evenly, reduce vibrations, and compensate for speed differences, ultimately contributing to smoother and more reliable operation.

It’s essential to accurately assess the requirements of your application and choose the appropriate coupling type based on the specific operational conditions. If there are varying speeds or reverse rotation involved, opting for flexible couplings designed for such scenarios will help ensure the longevity, efficiency, and performance of your machinery.

rigid shaft coupling

What is a Rigid Shaft Coupling and How Does It Work in Mechanical Systems?

A rigid shaft coupling is a type of coupling used to connect two shafts together in a mechanical system. As the name suggests, it is designed to provide a rigid and solid connection between the shafts, without any flexibility or misalignment compensation.

The primary function of a rigid shaft coupling is to transmit torque from one shaft to another efficiently and with minimal backlash. It achieves this by directly connecting the two shafts using a rigid mechanical interface.

Rigid shaft couplings typically consist of two halves with flanges that are bolted or clamped together around the shaft ends. The flanges are precision machined to ensure accurate alignment of the shafts. Some common types of rigid shaft couplings include:

  • Sleeve Couplings: These are the simplest type of rigid couplings and consist of a cylindrical sleeve with a bore that fits over the shaft ends. The two shafts are aligned and then secured together using screws or pins.
  • Clamp or Split Couplings: These couplings have two halves that are split and bolted together around the shafts. The split design allows for easy installation and removal without the need to disassemble other components of the system.
  • Flanged Couplings: Flanged couplings have two flanges with precision machined faces that are bolted together, providing a robust connection.
  • Tapered Bushing Couplings: These couplings use a tapered bushing to lock the coupling onto the shafts, creating a secure and concentric connection.

Rigid shaft couplings are commonly used in applications where precise alignment is critical, such as in high-speed machinery, precision instruments, and power transmission systems. Since they do not have any flexibility, they are best suited for applications where shaft misalignment is minimal or can be controlled through accurate alignment during installation.

One of the main advantages of rigid shaft couplings is their ability to provide a direct and efficient transfer of torque, making them suitable for high-torque and high-speed applications. Additionally, their simple design and solid connection make them easy to install and maintain.

However, it’s essential to ensure proper alignment during installation to prevent premature wear and stress on the shafts and other components. In cases where misalignment is expected or unavoidable, flexible couplings like beam couplings, bellows couplings, or jaw couplings are more appropriate, as they can compensate for small misalignments and provide some degree of shock absorption.

China factory Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China factory Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2023-09-12

China Best Sales Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CZPT requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

 

rigid coupling

Are There Any Safety Considerations When Using Rigid Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using rigid couplings in rotating machinery. While rigid couplings offer various advantages, their use in certain applications requires careful attention to safety measures to prevent accidents and equipment damage. Here are some important safety considerations:

Secure Installation: Proper installation of rigid couplings is crucial to ensure safety. The coupling must be securely mounted and aligned with the shafts to prevent any slippage or disengagement during operation. Use of appropriate mounting hardware, such as high-strength bolts, is essential to maintain the coupling’s integrity under high-speed and high-torque conditions.

Shaft Alignment: Accurate shaft alignment is necessary to avoid excessive forces and stress on the connected machinery. Misaligned shafts can lead to uneven loading and increased wear on bearings and other components. Regularly inspect and maintain the shaft alignment to prevent premature failures.

Preventing Over-Torquing: Applying excessive torque during the installation of rigid couplings can lead to equipment damage and compromise safety. Follow the manufacturer’s torque specifications and use torque-limiting tools to prevent over-torquing and potential failures.

Protective Guards: In some applications, rotating machinery with rigid couplings may pose a safety hazard to personnel working nearby. Install appropriate protective guards and covers to prevent accidental contact with rotating shafts, minimizing the risk of injury.

Regular Maintenance: Implement a routine maintenance schedule to inspect the rigid couplings and associated equipment. Check for signs of wear, fatigue, or cracks. Address any issues promptly to avoid potential catastrophic failures.

Operational Speed Limits: Be aware of the operational speed limits specified by the manufacturer for the rigid couplings. Exceeding these limits can result in significant stress and fatigue on the coupling, leading to failure.

Appropriate Coupling Selection: Choose the appropriate type and size of rigid coupling for the specific application. Using an undersized coupling can lead to excessive loads and potential failure, while an oversized coupling may not efficiently transmit torque.

Temperature Considerations: Rigid couplings can experience temperature variations during operation. Ensure that the material and design of the coupling are suitable for the anticipated temperature range of the application to maintain safety and performance.

Training and Awareness: Provide proper training to personnel working with rotating machinery equipped with rigid couplings. Ensure they are aware of safety procedures and potential hazards associated with the equipment.

Adhering to these safety considerations will help ensure the safe and reliable operation of rotating machinery equipped with rigid couplings. Regular maintenance, correct installation, and diligent attention to safety guidelines will minimize risks and contribute to a safe working environment.

rigid coupling

How Does a Rigid Coupling Handle Angular, Parallel, and Axial Misalignment?

Rigid couplings are designed to provide a fixed and rigid connection between two shafts. As such, they do not have any built-in flexibility to accommodate misalignment. Therefore, when using a rigid coupling, it is essential to ensure proper shaft alignment to avoid excessive forces and premature wear on connected equipment.

Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Rigid couplings cannot compensate for angular misalignment, and any angular misalignment should be minimized during installation. Precision alignment techniques, such as laser alignment tools, are often used to achieve accurate angular alignment.

Parallel Misalignment: Parallel misalignment, also known as offset misalignment, happens when the axes of the two shafts are parallel but have a lateral displacement from each other. Rigid couplings cannot accommodate parallel misalignment. Therefore, precise alignment is crucial to prevent binding and excessive forces on the shafts and bearings.

Axial Misalignment: Axial misalignment occurs when the two shafts have an axial (longitudinal) displacement from each other. Rigid couplings cannot address axial misalignment. To prevent thrust loads and additional stresses on bearings, it is essential to align the shafts axially during installation.

In summary, rigid couplings are unforgiving to misalignment and require precise alignment during installation. Any misalignment in a rigid coupling can lead to increased wear, premature failure of components, and reduced overall system efficiency. Therefore, it is crucial to use appropriate alignment techniques and tools to ensure optimal performance and longevity of the connected equipment.

rigid coupling

Limitations and Disadvantages of Using Rigid Couplings:

Rigid couplings offer several advantages in providing a strong and direct connection between shafts, but they also have certain limitations and disadvantages that should be considered in certain applications:

  • No Misalignment Compensation: Rigid couplings are designed to provide a fixed connection with no allowance for misalignment between shafts. As a result, any misalignment, even if slight, can lead to increased stress on connected components and cause premature wear or failure.
  • Transmit Shock and Vibration: Rigid couplings do not have any damping or vibration-absorbing properties, which means they can transmit shock and vibration directly from one shaft to another. In high-speed or heavy-duty applications, this can lead to increased wear on bearings and other components.
  • No Torque Compensation: Unlike flexible couplings, rigid couplings cannot compensate for torque fluctuations or angular displacement between shafts. This lack of flexibility may not be suitable for systems with varying loads or torque requirements.
  • Higher Stress Concentration: Rigid couplings can create higher stress concentration at the points of connection due to their inflexibility. This can be a concern in applications with high torque or when using materials with lower fatigue strength.
  • More Challenging Installation: Rigid couplings require precise alignment during installation, which can be more challenging and time-consuming compared to flexible couplings that can tolerate some misalignment.
  • Increased Wear: The absence of misalignment compensation and vibration absorption can lead to increased wear on connected components, such as bearings, shafts, and seals.
  • Not Suitable for High Misalignment: While some rigid couplings have limited ability to accommodate minor misalignment, they are not suitable for applications with significant misalignment, which could lead to premature failure.

Despite these limitations, rigid couplings are still widely used in many applications where precise alignment and a strong, permanent connection are required. However, in systems with significant misalignment, vibration, or shock loads, flexible couplings may be a more suitable choice to protect the connected components and improve overall system performance and longevity.

China Best Sales Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China Best Sales Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2023-09-08

China Custom Jm65 Flexible Motor Coupler CNC Partd Aluminum Transmission Shaft Coupling

Product Description

Product Description

Flexible couplings are used to transmit torque from 1 shaft to another when the 2 shafts are slightly misaligned. It can accommodate varying degrees of misalignment up to 3°. In addition to allowing for misalignment, it can also be used for vibration damping or noise reduction.
Encoder couplings, flexible coupling, couplings working with Encoder & all kinds of motors (servo motor, DC motor, AC motor, gear motors).

MODEL

OD(mm)

Length(mm)

Bore range(mm)

JM14

14

22

3-7

JM14C

14

22

3-6

JM16

16

22

3-7

JM16C

16

22

3-7

JM20

20

30

4-10

JM20C

20

30

4-10

JM25

25

34

4-12

JM25C

25

34

4-12

JM30

30

35

5-16

JM30C

30

35

5-16

JM40

40

66

8-24

JM40C

40

66

8-24

JM55

55

78

10-28

JM55C

55

78

10-28

JM65

65

90

12-38

JM65C

65

90

12-38

JM80

80

114

16-45

JM80C

80

114

16-45

JM95

95

126

20-55

JM95C

95

126

20-55

JM105

105

140

20-62

JM105C

105

140

20-62

JM120

120

160

20-74

JM120C

120

160

20-74

JM135

135

185

22-80

JM135C

135

185

22-80

“C” means clamp type jaw coupling   Without “C” means setscrew type jaw coupling

application

 

Packaging & Shipping

Company Profile

Related product

shaft coupling

Exploring the Use of Elastomeric Materials in Flexible Shaft Couplings

Elastomeric materials play a crucial role in the design and function of flexible shaft couplings. These materials, commonly known as elastomers, are rubber-like substances that exhibit high elasticity and flexibility. They are widely used in various types of flexible couplings due to their unique properties and benefits:

1. Damping and Vibration Absorption:

Elastomeric materials have excellent damping characteristics, meaning they can absorb and dissipate vibrations and shocks. This property is particularly useful in applications where vibration control is essential to protect sensitive equipment and improve overall system performance.

2. Misalignment Compensation:

Flexible shaft couplings with elastomeric elements can accommodate different types of misalignments, including angular, parallel, and radial misalignments. The elasticity of the material allows for limited movement between the shafts while still transmitting torque efficiently.

3. Torsional Flexibility:

Elastomers offer torsional flexibility, which allows them to twist and deform under torque loads. This feature helps to minimize torsional stresses and torsional backlash, making them suitable for applications requiring precise motion control.

4. Shock and Impact Resistance:

Due to their high resilience, elastomers can withstand sudden shocks and impacts without permanent deformation. This property makes them ideal for use in machinery subjected to varying loads or rapid changes in torque.

5. No Lubrication Requirement:

Elastomeric couplings are often maintenance-free because the elastomer material does not require additional lubrication. This reduces maintenance costs and simplifies the overall system upkeep.

6. Electric Isolation:

In certain applications, elastomeric materials can provide electrical isolation between the driving and driven components. This can help prevent the transmission of electrical currents or static charges through the coupling.

7. Corrosion Resistance:

Many elastomers used in couplings are resistant to corrosion, making them suitable for use in challenging environments where exposure to chemicals or moisture is a concern.

8. Easy Installation:

Elastomeric couplings are often designed for ease of installation and replacement. Their flexibility allows for simple and quick assembly onto the shafts without the need for special tools or complex procedures.

Given these advantages, elastomeric materials are popular choices for various flexible shaft couplings, including jaw couplings, tire couplings, and spider couplings. However, it is essential to select the right elastomer material based on the specific application requirements, such as temperature range, chemical compatibility, and torque capacity.

“`shaft coupling

Comparing Shaft Couplings with Other Types of Couplings in Performance

Shaft couplings are essential components in mechanical power transmission systems, and their performance characteristics vary depending on the coupling type. Let’s compare shaft couplings with other common types of couplings:

1. Shaft Couplings:

Shaft couplings come in various designs, including flexible and rigid couplings. They are widely used in a broad range of applications due to their ability to transmit torque and accommodate misalignments between rotating shafts. Flexible shaft couplings, with elastomeric or metallic elements, offer good misalignment compensation and damping characteristics. Rigid couplings, on the other hand, provide precise torque transmission and are ideal for applications where shafts are well-aligned.

2. Gear Couplings:

Gear couplings are robust and designed for heavy-duty applications. They consist of two external gear hubs with internal gear teeth that mesh together. Gear couplings can handle high torque, high-speed, and angular misalignment. They are often used in demanding industries such as steel, mining, and paper manufacturing.

3. Grid Couplings:

Grid couplings feature a flexible grid element between the two halves of the coupling. They provide excellent shock absorption and misalignment compensation. Grid couplings are commonly used in pumps, compressors, and other industrial machinery.

4. Disc Couplings:

Disc couplings utilize flexible metallic discs to transmit torque and compensate for misalignment. They offer high torsional stiffness, making them suitable for applications requiring precise motion control, such as robotics and CNC machines.

5. Jaw Couplings:

Jaw couplings consist of two hubs with elastomeric spider inserts. They are easy to install, have good misalignment capabilities, and offer electrical isolation between shafts. Jaw couplings are widely used in light to medium-duty applications.

6. Oldham Couplings:

Oldham couplings have three discs—two outer discs with slots and a central disc with a tongue that fits into the slots. They provide excellent angular misalignment compensation while maintaining constant velocity between shafts. Oldham couplings are commonly used in printing machines and conveyors.

7. Beam Couplings:

Beam couplings are made from a single piece of flexible material with spiral cuts. They offer good misalignment compensation and torsional flexibility, making them suitable for precision equipment like encoders and servo motors.

The choice of coupling depends on the specific requirements of the application, including torque, speed, misalignment compensation, environmental conditions, and space limitations. Each coupling type has its strengths and limitations, and selecting the right coupling is crucial to ensure optimal performance and reliability in the mechanical system.

“`shaft coupling

Types of Shaft Couplings and Their Applications in Various Industries

Shaft couplings come in various types, each designed to meet specific application requirements and address different types of misalignment. Here are some common types of shaft couplings and their applications in various industries:

1. Jaw Couplings:

Applications: Jaw couplings are widely used in power transmission applications, including conveyor systems, pumps, compressors, and industrial machinery. They are suitable for moderate torque requirements and provide good misalignment compensation.

2. Gear Couplings:

Applications: Gear couplings are used in heavy-duty industrial applications such as steel mills, paper mills, and mining equipment. They offer high torque capacity and can handle significant misalignments.

3. Disc Couplings:

Applications: Disc couplings are commonly used in precision machinery and automation systems, such as printing presses, machine tools, and robotics. They provide excellent torsional stiffness and are ideal for applications requiring precise positioning.

4. Grid Couplings:

Applications: Grid couplings are used in various industrial applications, including fans, pumps, and compressors. They offer high torque capacity and good shock absorption.

5. Oldham Couplings:

Applications: Oldham couplings are used in applications requiring high misalignment compensation, such as stepper motor drives and motion control systems.

6. Diaphragm Couplings:

Applications: Diaphragm couplings are used in critical applications that demand high torque transmission accuracy, such as aerospace, medical equipment, and semiconductor manufacturing.

7. Elastomeric Couplings:

Applications: Elastomeric couplings, like spider couplings, find applications in general industrial machinery, HVAC systems, and conveyor systems. They provide damping properties and flexibility to accommodate misalignments.

8. Torsionally Rigid Couplings:

Applications: Torsionally rigid couplings are used in applications requiring precise torque transmission, such as precision machining equipment and high-speed spindles.

9. Fluid Couplings:

Applications: Fluid couplings are used in heavy machinery and drivetrains, such as mining equipment, crushers, and marine propulsion systems. They provide smooth acceleration and dampening of shock loads.

10. Magnetic Couplings:

Applications: Magnetic couplings are used in applications where hermetic sealing is required, such as chemical processing, pumps, and mixers. They allow for torque transmission without direct physical contact.

The selection of the appropriate shaft coupling type depends on factors such as torque requirements, speed, misalignment, operating conditions, and the specific needs of the application. Using the right coupling ensures efficient power transmission, protects equipment from misalignment-related issues, and enhances the overall reliability and performance of industrial machinery and systems.

“`
China Custom Jm65 Flexible Motor Coupler CNC Partd Aluminum Transmission Shaft Coupling  China Custom Jm65 Flexible Motor Coupler CNC Partd Aluminum Transmission Shaft Coupling
editor by CX 2023-09-07

China Standard Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CZPT requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

 

shaft coupling

Exploring the Use of Elastomeric Materials in Flexible Shaft Couplings

Elastomeric materials play a crucial role in the design and function of flexible shaft couplings. These materials, commonly known as elastomers, are rubber-like substances that exhibit high elasticity and flexibility. They are widely used in various types of flexible couplings due to their unique properties and benefits:

1. Damping and Vibration Absorption:

Elastomeric materials have excellent damping characteristics, meaning they can absorb and dissipate vibrations and shocks. This property is particularly useful in applications where vibration control is essential to protect sensitive equipment and improve overall system performance.

2. Misalignment Compensation:

Flexible shaft couplings with elastomeric elements can accommodate different types of misalignments, including angular, parallel, and radial misalignments. The elasticity of the material allows for limited movement between the shafts while still transmitting torque efficiently.

3. Torsional Flexibility:

Elastomers offer torsional flexibility, which allows them to twist and deform under torque loads. This feature helps to minimize torsional stresses and torsional backlash, making them suitable for applications requiring precise motion control.

4. Shock and Impact Resistance:

Due to their high resilience, elastomers can withstand sudden shocks and impacts without permanent deformation. This property makes them ideal for use in machinery subjected to varying loads or rapid changes in torque.

5. No Lubrication Requirement:

Elastomeric couplings are often maintenance-free because the elastomer material does not require additional lubrication. This reduces maintenance costs and simplifies the overall system upkeep.

6. Electric Isolation:

In certain applications, elastomeric materials can provide electrical isolation between the driving and driven components. This can help prevent the transmission of electrical currents or static charges through the coupling.

7. Corrosion Resistance:

Many elastomers used in couplings are resistant to corrosion, making them suitable for use in challenging environments where exposure to chemicals or moisture is a concern.

8. Easy Installation:

Elastomeric couplings are often designed for ease of installation and replacement. Their flexibility allows for simple and quick assembly onto the shafts without the need for special tools or complex procedures.

Given these advantages, elastomeric materials are popular choices for various flexible shaft couplings, including jaw couplings, tire couplings, and spider couplings. However, it is essential to select the right elastomer material based on the specific application requirements, such as temperature range, chemical compatibility, and torque capacity.

“`shaft coupling

Explaining the Concept of Backlash and How It Affects Shaft Coupling Performance

Backlash is the angular movement or play between the mating components of a mechanical system when the direction of motion is reversed. In the context of shaft couplings, backlash refers to the free rotational movement between the connected shafts before the coupling transmits torque from one shaft to the other.

Backlash occurs in certain coupling designs that have features allowing relative movement between the coupling’s mating parts. Common coupling types that may exhibit some degree of backlash include elastomeric couplings (such as jaw couplings), gear couplings, and Oldham couplings.

How Backlash Affects Shaft Coupling Performance:

1. Loss of Precision: In applications requiring precise motion control, backlash can lead to inaccuracies and reduced positional accuracy. For example, in CNC machines or robotics, any rotational play due to backlash can result in positioning errors and decreased machining or movement precision.

2. Reversal Impact: When a reversing load is applied to a coupling, the presence of backlash can lead to a brief period of rotational play before the coupling re-engages, causing a momentary jolt or impact. This impact can lead to increased stress on the coupling and connected components, potentially reducing their lifespan.

3. Dynamic Response: Backlash can affect the dynamic response of the mechanical system. In systems requiring rapid acceleration or deceleration, the initial play due to backlash may create a delay in torque transmission, affecting the system’s responsiveness.

4. Noise and Vibration: Backlash can cause noise and vibration in the system, leading to increased wear and potential fatigue failure of components.

5. Misalignment Compensation: In some flexible coupling designs, a certain amount of backlash is intentionally incorporated to allow for misalignment compensation. While this is a beneficial feature, excessive backlash can compromise the coupling’s performance.

Minimizing Backlash:

Manufacturers often design couplings with specific features to minimize backlash. For instance, some gear couplings employ crowned gear teeth to reduce clearance, while elastomeric couplings may have preloaded elastomeric elements. Precision couplings like zero-backlash or torsionally rigid couplings are engineered to eliminate or minimize backlash for applications requiring high accuracy and responsiveness.

When selecting a coupling, it’s essential to consider the application’s specific requirements regarding precision, speed, reversing loads, and misalignment compensation, as these factors will determine the acceptable level of backlash for optimal performance.

“`shaft coupling

What is a Shaft Coupling and Its Role in Mechanical Power Transmission?

A shaft coupling is a mechanical device used to connect two shafts together at their ends, allowing for the transmission of mechanical power from one shaft to another. It serves as an essential component in various machinery and industrial applications where rotational motion needs to be transmitted between two shafts that are not perfectly aligned or are separated by a distance.

The role of a shaft coupling in mechanical power transmission includes the following:

1. Power Transmission:

The primary function of a shaft coupling is to transmit power from a driving shaft to a driven shaft. When the driving shaft rotates, the coupling transfers the rotational motion to the driven shaft, enabling the driven equipment to perform its intended function.

2. Misalignment Compensation:

In real-world applications, it is often challenging to achieve perfect alignment between two shafts due to manufacturing tolerances or dynamic conditions. Shaft couplings are designed to accommodate different types of misalignment, such as angular, parallel, and axial misalignment, allowing the equipment to function smoothly even when the shafts are not perfectly aligned.

3. Vibration Damping:

Shaft couplings can help dampen vibrations and shocks caused by uneven loads or sudden changes in the operating conditions. This vibration damping feature protects the connected components from damage and contributes to the overall system’s reliability.

4. Overload Protection:

In some cases, a shaft coupling can act as a safety device by providing overload protection. When the connected machinery experiences excessive torque or shock loads, certain types of couplings can disengage or shear to prevent damage to the equipment.

5. Torque and Speed Conversion:

Shaft couplings can be designed to provide torque and speed conversion between the driving and driven shafts. This allows for adaptation to different operating conditions and varying torque requirements in the connected machinery.

6. Flexible Connection:

Shaft couplings with flexible elements, such as elastomeric inserts or flexible discs, provide a flexible connection that can absorb shocks and misalignments. This flexibility helps reduce stress on the connected equipment and extends its lifespan.

Overall, shaft couplings are essential components in mechanical power transmission systems, enabling the efficient transfer of rotational motion between shafts while accommodating misalignments and providing protection against overloads and vibrations. The selection of the appropriate coupling type and design depends on the specific requirements of the application, including the type of misalignment, torque capacity, and operating conditions.

“`
China Standard Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China Standard Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2023-09-04

China manufacturer Motor Guide Shaft Coupler Connector Flange Rigid Coupling

Product Description

Certification ISO9001:2018;SGS;TS16949
Quality 

CNC machine, CNC Turning, CNC Milling, CNC center machine,

auto lathe machine, Wire-cutting Machine
, CNC Laser cutting machines, CNC bending machines, 

CNC punching machines, CNC bending machines

CNT stamping machine, CNC/auto lathe machine,

Drilling machine, Hydraulic machine, Riveting machine,

Tapping machine, welding machine, Film attaching machine, etc.

Materials

Aluminum, Steel, SPCC, SGCC,SECC,

SPTE, Stainless steel, Brass, Copper, 

Bronze, ABS, PC, PO, POM, Nylon,  etc.

Surface finish

Anodized, Oxide, Plating, Brushing, Polishing, Blackened, Powder coating, 

Sandblasting, Laser engraving Zn-plating, Ni-plating, Cr-plating, Tin-plating,

copper-plating, the wreath oxygen resin spraying, the heat disposing,

hot-dip galvanizing, black oxide coating, painting, powdering, color zinc-plated,

blue-black zinc-plated, rust preventive oil, titanium alloy galvanized,

silver plating, plastic, electroplating, anodizing, etc

Inspection Equipment

CMM, Projection, Calipers, Micro caliper, Thread Micro caliper, 

Pin gauge, Caliper gauge, Pass meter, Pass meter, etc.

Drawing formation PDF, CAD/DWG/DXF, IGS/STP etc.

HangZhou CZPT Industrial Co., Ltd. is a comprehensive factory that specialized in fasteners, CNC parts, stamping parts, machinery parts, and so on. Since the establishment of the company, we have passed ISO9001: 2018, SGS, TS16949.
Our factory covers an area of 5,000 square CZPT and has 58 employees, including 5 R & D personnel and 5 quality inspection personnel.
Major areas of service include automotive, bicycle and motorcycle, industrial automation, agricultural equipment, digital electronics, medical equipment, and so on.
Looking CZPT to your cooperation.

1. We have Specialized QC testers to check the products quality according to customers’ needs.

2. We have IQC to check the dimensions and surface of the incoming material.

3. We have PQC to inspect  full-course during the processing.

4. We have FQC to inspect all the plating products from outsides and make the 100% inspection before the shipments.

FAQ:

 

Q1: Why choose ZheJiang n?
To provide our customers with first-class services in the supply of quality screws minimizing costs.

 

Q2: How is quality ensured?
All our processes strictly adhere to ISO9001:2018 procedures. We have strict quality control from producing to delivery. Our company had strong technology support, 80% of our colleagues are master or bachelor’s degree. We have cultivated a group of managers who are familiar with product quality , good at modern concept of management.

 

Q3: Can You Strictly Follow The Tolerance on The Drawing And Meet The High Precision?
Yes, we can, we can provide high precision parts and make the parts as your drawing.

 

Q4: How should I order and make payment?
By T/T, for samples 100% with the order; for production, 30% paid for deposit by T/T before production arrangement, the balance to be paid before shipment. negotiation accepted.

Q5: What’s your Delivery Time?
Standard parts: 7-20days
Non-standard parts: 15-25days
We will make the delivery as soon as possible with the guarantee quality

 

Q6:How to Custom-made (OEM/ODM)?
If you have a new product drawing or a sample, please send to us, and we can custom-made the as your required. We will also provide our professional advices of the products to make the design to be more realized & maximize the performance.

Q7:Which mode of transport would be better?
In general, the product are heavy, we advice to make delivery by sea, Also we respect your views of other transportation as well.

rigid shaft coupling

Industry Standards and Certifications for Rigid Shaft Couplings

Yes, there are industry standards and certifications that apply to rigid shaft couplings to ensure their quality, performance, and safety. Some of the common standards and certifications include:

  • ISO 14691: This International Organization for Standardization (ISO) standard specifies the requirements and dimensions for metallic straight-toothed rigid couplings with external clamping for shaft connections.
  • ANSI/AGMA 9002-C16: The American Gear Manufacturers Association (AGMA) standard covers measurement methods for evaluating the torsional stiffness of rigid couplings.
  • API 671: This American Petroleum Institute (API) standard applies to special-purpose couplings used in petroleum, chemical, and gas industry services, ensuring reliable operation and safety.
  • DNV GL: Rigid couplings used in marine and offshore applications may require certification from DNV GL, an international accredited registrar and classification society.
  • ATEX: For couplings used in explosive atmospheres, compliance with the ATEX directive is crucial to ensure that the coupling does not become a source of ignition.

When selecting a rigid shaft coupling, it is essential to look for products that comply with these relevant industry standards and certifications. Meeting these standards guarantees that the couplings have undergone rigorous testing and adhere to recognized quality and safety guidelines.

rigid shaft coupling

Can rigid shaft couplings be used for shafts with different rotational speeds and directions?

Rigid shaft couplings are typically designed for applications where the connected shafts have the same rotational speed and direction. They are not well-suited for scenarios involving significant speed differences or reverse rotation between shafts. The limitations arise from the coupling’s rigid construction, which does not allow for the compensation of speed differentials or changes in direction.

When shafts have different rotational speeds or need to rotate in opposite directions, it can result in uneven loading, increased wear, vibrations, and even coupling failure. Rigid couplings lack the flexibility required to accommodate the variations in speed and direction, which can lead to undesirable consequences in the system.

If your application involves shafts with varying speeds or reverse rotation, it’s recommended to explore flexible coupling options. Flexible couplings, such as gear couplings, elastomeric couplings, or universal joints, are designed to handle these situations by providing a degree of angular and radial flexibility. These couplings can help distribute the loads more evenly, reduce vibrations, and compensate for speed differences, ultimately contributing to smoother and more reliable operation.

It’s essential to accurately assess the requirements of your application and choose the appropriate coupling type based on the specific operational conditions. If there are varying speeds or reverse rotation involved, opting for flexible couplings designed for such scenarios will help ensure the longevity, efficiency, and performance of your machinery.

rigid shaft coupling

Can Rigid Shaft Couplings Handle Misalignment Between Shafts Effectively?

Rigid shaft couplings are not designed to accommodate misalignment between shafts effectively. Unlike flexible couplings, which can bend or flex to some degree to compensate for misalignment, rigid couplings are inflexible and require precise alignment for proper operation.

When using rigid shaft couplings, it is crucial to ensure that the two shafts being connected are aligned with high accuracy. Misalignment between the shafts can lead to various issues, including:

  • Vibrations: Misalignment can cause vibrations and increase stress on the coupling and connected machinery, leading to premature wear and reduced performance.
  • Increased Stress: Misalignment results in additional stress on the shafts and coupling, which may lead to fatigue failure over time.
  • Reduced Efficiency: Misalignment can result in power loss and reduced overall system efficiency.
  • Noise: Misalignment may generate noise during operation, leading to potential discomfort for operators and additional wear on components.

To ensure the effective functioning of rigid shaft couplings, it is crucial to align the shafts accurately during installation. The alignment process typically involves using precision tools and techniques to achieve the desired alignment tolerances.

For applications where misalignment is expected or unavoidable, flexible couplings such as beam couplings or jaw couplings may be more suitable as they can accommodate slight misalignments and reduce the transmission of shock and vibration between shafts.

Overall, rigid shaft couplings are best suited for applications where precise shaft alignment is feasible and necessary for optimal performance. Proper alignment and regular maintenance are essential to maximize the life and efficiency of rigid couplings in mechanical systems.

China manufacturer Motor Guide Shaft Coupler Connector Flange Rigid Coupling  China manufacturer Motor Guide Shaft Coupler Connector Flange Rigid Coupling
editor by CX 2023-08-31

China wholesaler Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CZPT requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

 

rigid shaft coupling

Common Industries and Use Cases for Rigid Shaft Couplings

Rigid shaft couplings find applications in various industries where precise and torque-resistant shaft connections are required. Some of the common industries that use rigid shaft couplings include:

  • Manufacturing: Rigid shaft couplings are widely used in manufacturing machinery, such as lathes, milling machines, and CNC equipment, to provide rigid and accurate power transmission.
  • Robotics: Robots and robotic arms often use rigid shaft couplings to ensure precise motion and synchronization between motors and actuators.
  • Aerospace: In aerospace applications, rigid couplings are used in aircraft engines, landing gear systems, and control surfaces.
  • Automotive: Rigid couplings are utilized in automotive powertrains and drivetrains to transmit torque efficiently and withstand high loads.
  • Marine: Marine propulsion systems and shipboard equipment often employ rigid shaft couplings for reliable torque transmission in challenging environments.
  • Packaging: Packaging machinery relies on rigid couplings to achieve accurate and synchronized movements in filling, sealing, and labeling operations.
  • Steel and Metal Processing: Rigid shaft couplings are essential in steel mills and metal processing equipment to handle heavy loads and maintain precision.
  • Printing and Paper: Printing presses and paper handling machinery use rigid couplings to ensure precise registration and consistent operation.
  • Mining and Construction: Mining equipment and construction machinery utilize rigid couplings for robust power transmission in harsh environments.
  • Energy and Utilities: In power generation plants and utilities, rigid couplings are employed in pumps, compressors, and turbines.

Rigid shaft couplings are versatile and can be found in numerous other industries where precise and efficient power transmission is critical for smooth operation and high-performance machinery.

rigid shaft coupling

Are there any safety considerations when using rigid shaft couplings in critical applications?

Yes, when using rigid shaft couplings in critical applications, several safety considerations should be taken into account:

  • Torsional Stiffness: Rigid couplings have high torsional stiffness, which can lead to increased stresses and potential failures in the connected equipment. Proper analysis of torsional vibrations and stiffness compatibility with the connected components is crucial.
  • Shaft Alignment: Inaccurate shaft alignment can lead to additional loads on the coupling and connected machinery. Precision alignment is essential to prevent premature wear, increased stress, and potential breakdowns.
  • Overloading: Exceeding the rated torque capacity of the coupling can result in sudden failures and damage to machinery. It’s essential to operate within the coupling’s specified limits to ensure safe operation.
  • Maintenance: Regular inspection and maintenance are critical to identify signs of wear, fatigue, or misalignment. Neglecting maintenance can lead to unexpected failures and safety hazards.
  • Environmental Factors: Harsh environments, extreme temperatures, and corrosive substances can impact the integrity of rigid couplings. Choosing appropriate materials and protective measures can mitigate these effects.

For critical applications, it’s recommended to work closely with experienced engineers, perform thorough risk assessments, and follow industry standards and best practices to ensure the safe and reliable use of rigid shaft couplings.

rigid shaft coupling

What are the Materials Commonly Used to Manufacture Rigid Shaft Couplings, and How Do They Impact Performance?

Rigid shaft couplings are typically made from a variety of materials, and the choice of material can significantly impact the performance of the coupling in specific applications. Some common materials used in manufacturing rigid shaft couplings include:

  • Steel: Steel is one of the most commonly used materials for rigid shaft couplings. It offers excellent strength and durability, making it suitable for high-torque and heavy-duty applications. Steel couplings can withstand significant stresses and provide reliable torque transmission.
  • Stainless Steel: Stainless steel couplings offer the same benefits as regular steel couplings but with the added advantage of corrosion resistance. They are commonly used in applications where the coupling may be exposed to harsh environments or moisture.
  • Aluminum: Aluminum couplings are lightweight and have good corrosion resistance. They are often used in applications where weight reduction is essential, such as in aerospace and automotive industries.
  • Brass: Brass couplings are known for their excellent machinability and corrosion resistance. They are commonly used in applications where electrical conductivity is required.
  • Cast Iron: Cast iron couplings are robust and offer good resistance to wear and tear. They are commonly used in industrial machinery and equipment.

The choice of material depends on various factors, including the application’s operating conditions, such as torque requirements, temperature, and environmental conditions. For example, in high-torque applications, steel or stainless steel couplings are often preferred due to their high strength. On the other hand, aluminum couplings are favored in applications where weight reduction is critical.

It is essential to consider the specific needs of the application and the coupling’s material properties to ensure optimal performance, longevity, and reliability of the rigid shaft coupling.

China wholesaler Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China wholesaler Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2023-08-22

China high quality OEM CNC Machining Split Motor Rigid Shaft Coupling

Product Description

OEM CNC Machining Split Motor Rigid Shaft Coupling

 

Customized cnc machining parts notes:

Quotation

According to your drawing(size, material, thickness, processing content, and required technology, etc)

Tolerance Surface Roughness

+/-0.02 – 0.01mm Ra0.2 – Ra3.2(Customized avaiable)

Materials Avaiable

Aluminum, Copper, Stainless steel, Iron, PE, PVC, ABS, etc.

Surface Treatment

Polishing, general/hard/color oxidation, surface chamfering, tempering, etc.

Processing

CNC Turning, Milling parts, drilling, auto lathe, tapping, bushing, surface treatment, etc.

Testing Equipment

CMM/Tool microscope/multi-joint arm/Automatic height gauge/Manual height gauge/Dial gauge/Roughness measurement

Drawing Formats

 PRO/E, Auto CAD, CZPT Works , UG, CAD / CAM / CAE, PDF PRO/E, Auto CAD, CZPT Works , UG, CAD / CAM / CAE, PDF

Our Advantages

(1) 24 hours online service & Quickly Quote/Delivery. 

(2) 100% QC quality inspection before delivery, and can provide quality inspection form.           
(3) 18+ years of experience in the CNC machining area and have a senior design team to offer perfect modification suggestions.

       Features of jaw coupling:

      1.Easy of inspection,easy maintenance.

      2.Can absorb vibration,parallel,angular and axial misalignments. 

      3.Identical clockwise and anticlockwise rotational charateristics.

      4.Both ends material is iron, intermediate for rubber materials.

      5.Simple configuration, setscrew type,low price.

      6.Hole can be self-processing,easy facilitate.

      7.For step motor,screw, machine positioning system.

     The SL cross slide coupling is slid in the corresponding radial grooves of the large end faces
     of the half couplings on both sides.
     The main feature of the slider coupling is that it allows the 2 shafts to have a large radial
     displacement, and allows for small angular displacement and axial displacement. Due to the
     centrifugal force generated by the eccentric motion of the slider, it is not suitable to use this
     coupling. High-speed movement, the coupling torque of the coupling is 120-63000N.m, the
     speed is 250-70r/min.
 

     Advantages:

     Protects driven component by serving as a mechanical “fuse” – an inexpensive replaceable plastic
     midsection shears under excess load.
     Protects support bearings by exerting consistently low reactive forces, even under large misalignments.
     Homokinetic transmission – driving and driven shafts rotate at exactly the same speed at all times.
     Zero backlash and high torsional stiffness.
     Accommodates large radial misalignment in a short length.
     Easy installation in blind or difficult installations when through-bores are used.
     Economically priced compared to other couplings with similar performance characteristics.

     CNC machining parts, metal machining parts, precision machining parts, Machined parts, Machinery 
     parts,Machine Parts,machining parts machining,Cnc machining parts machinery parts,machined 
     parts,precision machining parts,oem machining parts,cnc machining parts,cnc machined parts.

             Q: Why choose Shengao product?
             A: We shengao have our own plant– HangZhou Shengao machinery Co.,Ltd, therefore, we can 
             surely promise the quality of every product and provide you comparable price.

             Q: Do you provide OEM Service?
             A: Yes, we provide OEM Service.

             Q: Do you provide customized machining parts?
             A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.

             Q: What is your payment term?
             A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.

             If there’s anything we can help, please feel free to contact with us.

rigid shaft coupling

How to Properly Install a Rigid Shaft Coupling for Optimal Performance and Reliability

Proper installation of a rigid shaft coupling is essential to ensure optimal performance and reliability in mechanical systems. Here are the steps to follow for a successful installation:

  1. Shaft Preparation: Ensure that the shafts to be connected are clean, smooth, and free from any burrs or contaminants that could affect the coupling’s performance.
  2. Alignment: Align the two shafts accurately to minimize misalignment during installation. The alignment process is critical as any misalignment can lead to premature wear and reduced coupling efficiency.
  3. Fitment: Choose the appropriate size of the rigid shaft coupling that matches the shaft diameters. Carefully slide the coupling onto one shaft at a time.
  4. Fastening: For one-piece rigid couplings, ensure that the coupling is fitted snugly onto both shafts. For two-piece couplings, bolt the two halves together securely around the shafts.
  5. Tightening: Use the recommended torque value and follow the manufacturer’s guidelines to tighten the coupling bolts properly. Over-tightening can cause distortion, while under-tightening can lead to slippage and reduced torque transmission.
  6. Inspection: After installation, inspect the coupling to ensure that it is centered and aligned correctly. Check for any signs of misalignment or interference during rotation.
  7. Lubrication: Some rigid couplings may require lubrication at the friction points to reduce wear and friction. Follow the manufacturer’s recommendations for lubrication intervals and types.
  8. Load Testing: Perform load testing on the system to verify the coupling’s performance and check for any unusual vibrations or noises during operation.
  9. Regular Maintenance: Include the rigid coupling in your regular maintenance schedule. Periodically check for signs of wear, misalignment, or damage, and replace the coupling if necessary.

By following these installation steps and best practices, you can ensure that the rigid shaft coupling operates optimally, providing reliable torque transmission and contributing to the overall efficiency and longevity of the mechanical system.

rigid shaft coupling

Are there any real-world case studies or success stories of using rigid shaft couplings in various engineering projects?

While specific case studies might not be readily available, there are numerous real-world examples of using rigid shaft couplings in various engineering projects across industries. These projects highlight the versatility and benefits of rigid shaft couplings in different applications:

  • Industrial Machinery: Rigid shaft couplings are commonly used in industrial machinery such as conveyor systems, pumps, compressors, and machine tools. They ensure precise torque transmission, alignment, and stability in these critical applications, contributing to reliable and efficient operation.
  • Robotics: Robotics often require accurate and repeatable motion control. Rigid couplings provide a rigid connection between robotic joints and actuators, ensuring precise movement and positioning.
  • Aerospace: In aerospace applications, where safety and reliability are paramount, rigid shaft couplings play a role in connecting various components, such as engine components and control surfaces, ensuring consistent and reliable performance.
  • Medical Equipment: Rigid couplings are used in medical devices such as diagnostic equipment, laboratory instruments, and surgical tools. They contribute to accurate motion control and sample manipulation.
  • Automotive: Rigid shaft couplings can be found in automotive systems, including drivetrains and transmission systems. They ensure efficient torque transmission and alignment in components such as steering columns.
  • Printing and Packaging: Printing presses and packaging machinery rely on rigid couplings to maintain precise alignment between rollers and components, ensuring consistent print quality and packaging accuracy.

While these examples illustrate the broad range of applications where rigid shaft couplings are used, it’s important to note that the success of each project is influenced by factors beyond just the coupling. Proper installation, maintenance, and integration into the overall system are crucial for achieving optimal results.

When considering the implementation of rigid shaft couplings in a project, engineers should collaborate with coupling manufacturers, suppliers, and experienced professionals to ensure proper selection, installation, and operation. By leveraging the advantages of rigid couplings, engineering projects can benefit from improved efficiency, reliability, and performance.

rigid shaft coupling

Are There Different Types of Rigid Shaft Couplings Available, and What Are Their Specific Applications?

Yes, there are different types of rigid shaft couplings available, each with its own specific applications. Some common types of rigid shaft couplings include:

  • Sleeve Couplings: Sleeve couplings are simple and cost-effective couplings that connect two shafts together using a solid sleeve or tube. They are commonly used in applications with moderate torque requirements and where shaft alignment can be maintained with high precision.
  • Clamp or Split Couplings: Clamp or split couplings consist of two halves that are clamped together around the shafts using screws or bolts. They are easy to install and suitable for applications where frequent maintenance or disassembly is required.
  • Flanged Couplings: Flanged couplings have flanges on both ends that are bolted together. They are used in applications where shafts need to be rigidly connected and where some degree of axial movement is expected.
  • Tapered Shaft Couplings: Tapered shaft couplings have tapered bores that fit tightly onto tapered shafts, creating a friction-based connection. They are often used in applications where precise alignment and torque transmission are essential.
  • Keyed Shaft Couplings: Keyed shaft couplings use a key and keyway arrangement to connect the shafts securely. They are commonly used in heavy-duty applications where high torque transmission is required.

The choice of rigid shaft coupling depends on the specific requirements of the application. Factors such as torque transmission, shaft size, alignment precision, ease of installation, and maintenance needs play a crucial role in selecting the appropriate coupling type.

Rigid shaft couplings are widely used in various industries, including manufacturing, power generation, robotics, aerospace, and automotive. They are often employed in applications such as pumps, compressors, conveyors, and high-precision machinery.

It is essential to consider the specific demands of the application and consult with coupling manufacturers or experts to determine the most suitable rigid coupling type for optimal performance and reliability.

China high quality OEM CNC Machining Split Motor Rigid Shaft Coupling  China high quality OEM CNC Machining Split Motor Rigid Shaft Coupling
editor by CX 2023-08-17