Product Description

Chain Coupling Selection
 

In general, the torque capacity of the coupling exceeds the normal  torque transmitted by the largest shaft size that the coupling can  accommodate.

 

Therefore, select the smallest coupling which accommodates both  shaft diameters.

 

Where there is reverse operation, shock loads, or any other severe  operating condition, it is recommended that the next coupling size  up is selected.

 

Operation
 

In order to ensure that the maximum service life of the coupling  is achieved, the cover together with the supplied ‘O’ rings should  always be used. This is even more important when the drive is  operating at high speeds or in a moist environment. The space  between the cover and chain, should be filled with a soft to medium  consistency grease.

ZheJiang Shine Transmission Machinery Co., Ltd is specialized in manufacturing and selling transmission products. Our products are exported to the world famous machinery company in Europe, America, South Africa, Australia, Southeast Asia etc.

Our main products include: European pulley, American pulley, Couplings, taper bushing, QD bush, lock element, adjustable motor base, motor rail, sprockets, chain, bolt on hubs, weld on hubs, jaw crusher equipment & spare parts and all kinds of non-standard casting products etc.

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How Does a Rigid Coupling Protect Connected Equipment from Shock Loads and Vibrations?

Rigid couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing a direct and rigid connection between the shafts. The design and properties of rigid couplings contribute to their ability to mitigate the impact of shock loads and vibrations in the following ways:

– High Stiffness: Rigid couplings are constructed from materials with high stiffness, such as steel or aluminum. This high stiffness allows them to resist deformation and bending under load, ensuring that the coupling remains stable and maintains its shape. As a result, the shock loads and vibrations are not amplified or transferred to the connected equipment.

– Immediate Torque Transmission: Rigid couplings provide immediate torque transmission between the shafts without any backlash or play. When the connected machinery experiences a sudden shock load, the rigid coupling effectively transfers the torque to the other side of the coupling without delay. This rapid and precise torque transfer prevents the shock load from causing misalignment or damaging the equipment.

– Elimination of Damping: Unlike flexible couplings, which can dampen vibrations to some extent, rigid couplings do not have any damping properties. While damping can be beneficial in certain applications, it can also allow vibrations to persist, potentially affecting the performance and reliability of the connected equipment. Rigid couplings do not introduce any additional damping, ensuring that the vibrations are not prolonged.

– Stable Connection: Rigid couplings create a stable and unyielding connection between the shafts, limiting any relative movement. This stability prevents the propagation of vibrations from one shaft to another, reducing the potential for resonance and vibration amplification.

– Minimal Maintenance: Rigid couplings require minimal maintenance due to their simple and durable design. Unlike flexible couplings that may have wear-prone elements, rigid couplings do not have parts that need regular replacement. This reliability and low maintenance contribute to their ability to provide continuous protection against shock loads and vibrations.

In applications where shock loads and vibrations are prevalent, using a rigid coupling can help protect critical machinery and components from damage and premature failure. By providing a rigid and immediate torque transmission, rigid couplings effectively isolate the connected equipment from the harmful effects of shock loads and vibrations, ensuring smooth operation and enhanced reliability.

Factors to Consider When Choosing a Rigid Coupling for a Specific System

Choosing the right rigid coupling for a specific system is crucial to ensure proper functionality and reliable performance. Several factors should be considered when making this decision:

1. Shaft Size and Compatibility: The most fundamental factor is ensuring that the rigid coupling is compatible with the shaft sizes of the connected components. The coupling should have the appropriate bore size and keyway dimensions to fit securely onto the shafts.

2. Operating Torque: Consider the torque requirements of the application. The rigid coupling should have a torque rating that exceeds the maximum torque expected during operation to prevent failures and ensure safety.

3. Speed: Determine the rotational speed (RPM) of the connected shafts. Rigid couplings have maximum RPM limits, and the selected coupling should be capable of handling the system’s operating speed.

4. Misalignment Tolerance: Assess the potential misalignment between the shafts. Rigid couplings provide no flexibility, so the system must have minimal misalignment to prevent excessive forces on the components.

5. Temperature and Environment: Consider the operating temperature range and the environment where the coupling will be used. Ensure the chosen material can withstand the temperature and any corrosive or harsh conditions present.

6. Space Limitations: Evaluate the available space for the coupling. Rigid couplings have a compact design, but ensure that there is enough clearance for installation and maintenance.

7. Backlash and Torsional Stiffness: In some precision systems, backlash must be minimized to maintain accurate positioning. Additionally, the torsional stiffness of the coupling can impact system response and stability.

8. Keyway or Keyless Design: Decide between a coupling with a keyway or a keyless design based on the specific application requirements and ease of installation.

9. Material Selection: Consider the material properties of the rigid coupling. Common materials include steel, stainless steel, and aluminum, each with its own advantages and limitations.

10. Maintenance: Determine the maintenance requirements of the coupling. Some couplings may need periodic lubrication or inspections, while others may be maintenance-free.

11. Cost: While cost should not be the sole consideration, it is essential to evaluate the cost-effectiveness of the coupling, taking into account its performance and longevity.

By carefully considering these factors, you can select the most suitable rigid coupling for your specific system, ensuring optimal performance, and longevity of your mechanical setup.

Types of Rigid Coupling Designs:

There are several types of rigid coupling designs available, each designed to meet specific application requirements. Here are some common types of rigid couplings:

• 1. Sleeve Couplings: Sleeve couplings are the simplest type of rigid couplings. They consist of a cylindrical sleeve with a bore in the center that fits over the shaft ends. The coupling is secured in place using setscrews or keyways. Sleeve couplings provide a solid and rigid connection between shafts and are easy to install and remove.
• 2. Clamp or Split Couplings: Clamp couplings, also known as split couplings, are designed with two halves that fit around the shafts and are fastened together with bolts or screws. The split design allows for easy installation and removal without the need to disassemble other components in the system. These couplings are ideal for applications where the shafts cannot be easily moved.
• 3. Flanged Couplings: Flanged couplings have flanges on each end that are bolted together to form a rigid connection. The flanges add stability and strength to the coupling, making them suitable for heavy-duty applications. They are commonly used in industrial machinery and equipment.
• 4. Tapered Couplings: Tapered couplings have a tapered inner diameter that matches the taper of the shaft ends. When the coupling is tightened, it creates a frictional fit between the coupling and the shafts, providing a rigid connection. These couplings are often used in applications where high torque transmission is required.
• 5. Marine or Clampshell Couplings: Marine couplings, also known as clampshell couplings, consist of two halves that encase the shaft ends and are bolted together. These couplings are commonly used in marine applications, such as propeller shafts in boats and ships.
• 6. Diaphragm Couplings: Diaphragm couplings are a type of rigid coupling that provides some flexibility to accommodate misalignment while maintaining a nearly torsionally rigid connection. They consist of thin metal diaphragms that transmit torque while compensating for minor shaft misalignments.

The choice of rigid coupling design depends on factors such as shaft size, torque requirements, ease of installation, and the level of misalignment that needs to be accommodated. It is essential to select the appropriate coupling design based on the specific needs of the application to ensure optimal performance and reliability.

editor by CX 2024-01-09

Product Description

  

 

     HangZhou Xihu (West Lake) Dis. Mechanical Transmission Parts Co., Ltd. is a professional manufacturer of mechanical transmission parts, founded in 1987. Our company is committed to standard roller sprocket, single row and multi-row sprocket, non-standard sprocket, gear, rack, bevel gear, sprocket, shaft, gear shaft and other products. We have passed ISO 9001  .Xihu (West Lake) Dis.  company has a number of experienced engineers, involved in plHangZhou, testing, heat treatment, inspection, the use of strict and accurate testing methods. Our sprockets are widely used in agricultural machinery, stereoscopic garage, mining equipment, woodworking machinery, petroleum machinery and other industries. Implementation standards such as ANSI.BS, DIN.KANA, etc., can also be customized according to the drawing processing
   Our products have won wide praise and trust from customers for their excellent quality. HangZhou Xihu (West Lake) Dis. mechanical transmission Parts Co., Ltd. adhere to the quality of survival, innovation and development, customer first business philosophy, dedicated to domestic and foreign customers service. We warmly welcome you to negotiate business with us. 
 

Product Description

 

Standard or Nonstandard	Standard		Application	Maqchinery
Hardness	Hardened Tooth Surface		Material	C45
Specification	Various Sprockets		Pitch(PCD)	4016.5016.5018.6018.5571
Toothed Portion Shape	Spur Gear		Roller(DR)
HS Code	84839000		Production Capacity	100000 Pcs/Year

Detailed Photos

Certifications

 

FAQ

1. Are you manufacturer or trade company ?
    We are a manufacturing factory founded in 1987 ,with trade team for international service.
2. What terms of payment you usually use ?
    T/T . 30%  deposit ,and 70% before finish production .Price :FOB ZheJiang .
3. Can you make products according to customer”s design ?
    Yes , we can make according to customer”s drawing and samples .OED and ODM are acceptable.
4.How long is your delivery time ?
   Genarally it is 5-15 days afte rthe deposit .It will take more days customized.
5. What do I need for offering a quote ?
   Please offer us 2D or 3d drawing (with material ,dimension,surface treatment and other technical  datas etc.), quantity ,or samples .
   Then we will quote the best price .
 
 
 

How Do Rigid Couplings Compare to Other Types of Couplings in Terms of Performance?

Rigid couplings offer specific advantages and disadvantages compared to other types of couplings, and their performance depends on the requirements of the application:

1. Performance: Rigid couplings provide excellent torque transmission capabilities and are best suited for applications that demand precise and efficient power transfer. They have minimal backlash and high torsional stiffness, resulting in accurate motion control.

2. Misalignment Tolerance: Rigid couplings cannot tolerate misalignment between shafts. They require precise shaft alignment during installation, which can be time-consuming and may result in increased downtime during maintenance or repairs.

3. Vibration Damping: Rigid couplings offer no damping of vibrations, which means they may not be suitable for systems that require vibration isolation or shock absorption.

4. Maintenance: Rigid couplings are generally low maintenance since they have no moving parts or flexible elements that can wear out over time. Once properly installed, they can provide reliable performance for extended periods.

5. Space Requirements: Rigid couplings are compact and do not add much length to the shaft, making them suitable for applications with limited space.

6. Cost: Rigid couplings are usually more economical compared to some advanced and specialized coupling types. Their simpler design and lower manufacturing costs contribute to their affordability.

7. Application: Rigid couplings are commonly used in applications where shafts are precisely aligned and no misalignment compensation is necessary. They are prevalent in precision machinery, robotics, and applications that require accurate motion control.

In contrast, flexible couplings, such as elastomeric, jaw, or beam couplings, are designed to accommodate misalignment, dampen vibrations, and provide some degree of shock absorption. Their performance is ideal for systems where shafts may experience misalignment due to thermal expansion, shaft deflection, or dynamic loads.

In summary, rigid couplings excel in applications that demand precise alignment and high torque transmission, but they may not be suitable for systems that require misalignment compensation or vibration damping.

Use of Rigid Couplings for Motor-to-Shaft and Shaft-to-Shaft Connections

Yes, rigid couplings can be used for both motor-to-shaft and shaft-to-shaft connections in mechanical systems. Rigid couplings are designed to provide a solid and non-flexible connection between two shafts. This characteristic makes them versatile for various applications, including motor-to-shaft and shaft-to-shaft connections.

1. Motor-to-Shaft Connections: In motor-to-shaft connections, a rigid coupling is used to connect the output shaft of an electric motor to the driven shaft of a machine or equipment. This ensures direct power transmission without any flexibility. Motor-to-shaft connections are common in applications where the motor’s rotational motion needs to be transferred to the driven equipment with high precision and efficiency.

2. Shaft-to-Shaft Connections: In shaft-to-shaft connections, a rigid coupling joins two shafts directly, providing a solid and immovable link between them. This is beneficial in applications where precise alignment and torque transmission are essential, such as in precision motion control systems or heavy-duty industrial machinery.

Rigid couplings are available in various designs, such as one-piece, two-piece, and split types, to accommodate different shaft arrangements. The type of rigid coupling used depends on the specific application and the shaft sizes to be connected.

Advantages of Using Rigid Couplings:

– Zero backlash ensures accurate motion transfer and positioning.

– Efficient power transmission without loss due to flexibility.

– Minimal maintenance requirements due to their simple design.

– High torque capacity suitable for heavy-duty applications.

– Tolerance to misalignment (within design limits) enhances versatility.

– Provides system stiffness, reducing the risk of resonance and vibration-related issues.

– Suitable for high-speed applications.

– Versatility for various industrial applications.

Whether it’s connecting a motor to a driven shaft or joining two shafts together, rigid couplings offer reliability, precision, and efficiency, making them a popular choice in numerous mechanical systems.

What is a Rigid Coupling and How Does it Work?

A rigid coupling is a type of mechanical coupling used to connect two shafts together at their ends to transmit torque and rotational motion without any flexibility or misalignment accommodation. Unlike flexible couplings, rigid couplings do not allow for angular, parallel, or axial misalignment between the shafts. The main purpose of a rigid coupling is to provide a strong and solid connection between two shafts, ensuring precise and synchronous power transmission between them.

Structure and Design:

Rigid couplings are typically made from durable materials such as steel, stainless steel, or aluminum, which can withstand high torque and load applications. The coupling consists of two halves, each with a cylindrical bore that fits tightly onto the respective shafts. The two halves are then fastened together using bolts or set screws to ensure a secure and rigid connection.

Working Principle:

The working principle of a rigid coupling is straightforward. When the two shafts are aligned precisely and the coupling is securely fastened, any torque applied to one shaft gets directly transferred to the other shaft. The rigid coupling essentially makes the two shafts act as one continuous shaft, allowing for synchronous rotation without any relative movement or play between them.

Applications:

Rigid couplings are commonly used in applications where precise alignment and torque transmission are essential. Some common applications of rigid couplings include:

• High-precision machinery and equipment
• Robotics and automation systems
• Precision motion control systems
• Machine tools
• Shaft-driven pumps and compressors

Advantages:

The key advantages of using rigid couplings include:

• High Torque Transmission: Rigid couplings can handle high torque and power transmission without any loss due to flexibility.
• Precision: They provide accurate and synchronous rotation between the shafts, making them suitable for precise applications.
• Simple Design: Rigid couplings have a simple design with minimal moving parts, making them easy to install and maintain.
• Cost-Effective: Compared to some other coupling types, rigid couplings are generally more cost-effective.

Limitations:

Despite their advantages, rigid couplings have certain limitations:

• No Misalignment Compensation: Rigid couplings cannot accommodate any misalignment between the shafts, making precise alignment during installation crucial.
• Transmits Vibrations: Since rigid couplings do not dampen vibrations, they can transmit vibrations and shocks from one shaft to the other.
• Stress Concentration: In some applications, rigid couplings can create stress concentration at the ends of the shafts.

In summary, rigid couplings are ideal for applications that require precise alignment and high torque transmission. They offer a robust and straightforward solution for connecting shafts and ensuring synchronous power transmission without any flexibility or misalignment accommodation.

editor by CX 2023-10-05