Product Description

WH Type Slide Block Coupling(JB/ZQ4384-1997)


Main Dimension and Parameter
N.m= Norminal Torque; r/min= Allowable speed of rotation; D= Diameter of shaft hole ;
Y J1= Length of shaft hole; kg.m²= Rotational inertia; kg= Mass

1. The mass and rotational inertia of the coupling in the table are approximate values calculated according to the minimum diameter and maximum length of the shaft hole.
2. The value in brackets should not be selected as far as possible
3. Allowable compensation amount  of 2 shafts during assembly: axial 1~2mm, radial ≤0.2mm, angular ≤40′.


♦Other Products List

Transmission Machinery 
Parts Name
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

Our Company
Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. To perfect our service, we provide the products with good quality at the reasonable price.

Welcome to customize products from our factory and please provide your design drawings or contact us if you need other requirements.

Our Services
1.Design Services
Our design team has experience in cardan shaft relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2.Product Services
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping

3.Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4.Research & Development
We usually research the new needs of the market and develop the new model when there is new cars in the market.

5.Quality Control
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.

Q 1: Are you trading company or manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of couplings.

Q 2: Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks of PDF or AI format.

Q 3: How long is your delivery time?
Generally it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples ? Is it free or extra ?
Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.

Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.

Q 7: Do you have inspection procedures for coupling ?
A: 100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A: T/T. 

Contact Us
Web: huadingcoupling Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

mechanical coupling

Understanding the torque and speed limits for different mechanical coupling types.

The torque and speed limits of mechanical couplings vary depending on their design, materials, and intended applications. Here’s an overview of the torque and speed considerations for different types of mechanical couplings:

1. Rigid Couplings:

Rigid couplings are typically designed for high torque applications. They provide a direct and solid connection between shafts, making them suitable for transmitting substantial torque without introducing significant flexibility. The torque capacity of rigid couplings depends on the material and size, and they are often used in applications with high power requirements.

Rigid couplings can handle high rotational speeds since they lack flexible elements that may cause vibration or resonance at higher speeds. The speed limits are generally determined by the materials’ strength and the coupling’s balanced design.

2. Flexible Couplings:

Flexible couplings are more forgiving when it comes to misalignment and can accommodate some axial, radial, and angular misalignments. The torque capacity of flexible couplings can vary significantly depending on their design and material.

Elastomeric couplings, such as jaw couplings or tire couplings, have lower torque capacities compared to metal couplings like beam couplings or bellows couplings. The speed limits of flexible couplings are generally lower compared to rigid couplings due to the presence of flexible elements, which may introduce vibration and resonance at higher speeds.

3. Gear Couplings:

Gear couplings are robust and suitable for high-torque applications. They can handle higher torque than many other coupling types. The speed limits of gear couplings are also relatively high due to the strength and rigidity of the gear teeth.

4. Disc Couplings:

Disc couplings offer excellent torque capacity due to the positive engagement of the disc packs. They can handle high torque while being compact in size. The speed limits of disc couplings are also relatively high, making them suitable for high-speed applications.

5. Oldham Couplings:

Oldham couplings have moderate torque capacity and are commonly used in applications with moderate power requirements. Their speed limits are generally limited by the strength and design of the materials used.

6. Universal Couplings (Hooke’s Joints):

Universal couplings have moderate torque capacity and are used in applications where angular misalignment is common. The speed limits are determined by the materials and design of the coupling.

It’s important to refer to the manufacturer’s specifications and recommendations to determine the torque and speed limits of a specific mechanical coupling. Properly selecting a coupling that matches the application’s torque and speed requirements is crucial for ensuring reliable and efficient operation in the mechanical system.

“`mechanical coupling

Do mechanical couplings require regular maintenance, and if so, how often?

Yes, mechanical couplings do require regular maintenance to ensure their optimal performance and longevity. The frequency of maintenance depends on various factors, including the type of coupling, the application’s operating conditions, and the manufacturer’s recommendations. Here are some general guidelines for the maintenance of mechanical couplings:

1. Visual Inspection:

Perform regular visual inspections of the coupling to check for signs of wear, damage, or misalignment. Inspect for any corrosion, cracks, or wear on the coupling components.

2. Lubrication:

Some mechanical couplings, especially those with moving parts or sliding surfaces, require periodic lubrication. Follow the manufacturer’s recommendations regarding the type and frequency of lubrication.

3. Torque Verification:

Check the tightness of fasteners, such as set screws or bolts, to ensure that the coupling is securely attached to the shafts. Loose fasteners can lead to misalignment and reduced performance.

4. Alignment Check:

Regularly check the alignment of the connected shafts to ensure that the coupling is operating within its design limits. Misalignment can lead to premature wear and reduced coupling efficiency.

5. Replacement of Worn Components:

If any coupling components show signs of wear or damage beyond acceptable limits, replace them promptly to prevent further issues.

6. Operating Condition Analysis:

Monitor the operating conditions of the mechanical system and assess whether any changes have occurred that may affect the coupling’s performance. Environmental conditions, load variations, and other factors can impact the coupling’s wear rate.

7. Manufacturer’s Guidelines:

Always follow the maintenance recommendations provided by the coupling manufacturer. The manufacturer’s guidelines may include specific inspection intervals and maintenance procedures tailored to the coupling type and application.

The maintenance frequency for mechanical couplings can vary from monthly inspections for high-demand applications to annual inspections for less demanding conditions. In some cases, couplings in critical systems may require more frequent inspections to ensure their reliability.

Implementing a proactive maintenance program for mechanical couplings helps identify potential issues early and prevents unexpected failures that can lead to costly downtime and repairs. Regular maintenance extends the life of the coupling, improves system efficiency, and enhances overall operational safety.

“`mechanical coupling

Advantages of using mechanical couplings in power transmission systems.

Mechanical couplings offer several advantages when used in power transmission systems, making them a preferred choice in various industrial applications. Some of the key advantages include:

  • Torque Transmission: Mechanical couplings efficiently transmit torque from one shaft to another, enabling the transfer of power between different components of the system.
  • Misalignment Compensation: Many mechanical couplings can accommodate axial, radial, and angular misalignments between connected shafts, ensuring smooth operation even when precise alignment is challenging to achieve or maintain.
  • Vibration Damping: Some types of mechanical couplings, particularly flexible couplings, dampen vibrations caused by imbalances or load fluctuations. This feature reduces wear on components and improves overall system stability.
  • Shock Absorption: Certain flexible couplings have the ability to absorb shocks and impacts, protecting the connected equipment from sudden force variations and preventing damage.
  • Easy Installation: Mechanical couplings are generally easy to install and replace. Their modular design simplifies maintenance and reduces downtime in case of coupling failure.
  • Load Distribution: Mechanical couplings evenly distribute the load between connected shafts, preventing premature wear and reducing the chances of component failure.
  • Compact Design: Mechanical couplings come in various compact designs, allowing for efficient power transmission without adding significant bulk to the system.
  • Customizability: Manufacturers offer a wide range of mechanical couplings with different sizes, materials, and features to meet specific application requirements, giving engineers the flexibility to choose the most suitable coupling for their systems.
  • Cost-Effectiveness: Mechanical couplings are generally cost-effective compared to more complex power transmission methods, making them a practical choice for many industrial applications.
  • Safety: Some mechanical couplings, like shear-pin or torque-limiting couplings, act as safety features, disconnecting or slipping when the system experiences overload, preventing damage to expensive components.

These advantages make mechanical couplings indispensable in power transmission systems across various industries, including manufacturing, automotive, aerospace, marine, and more. Their ability to efficiently transmit power, accommodate misalignments, and protect the equipment ensures reliable and smooth operation of mechanical systems, contributing to overall system performance and longevity.

China manufacturer CHINAMFG Wl Kl Type Mechinery Mechanical Industrial Connection Metal Cross Slide Block Coupling  China manufacturer CHINAMFG Wl Kl Type Mechinery Mechanical Industrial Connection Metal Cross Slide Block Coupling
editor by CX 2024-04-08