Product Description

Customize High Quality Tyre Coupling

The LLB Flexible Tyre Coupling is a kind of high elastic coupling, with good damping buffer and superior offset compensation performance.
The working temperature of 20~80 degrees Celsius, transmitting torque 10~20000NM, suitable for damp, dust, shock, vibration, reversing the changeable and frequent starting working conditions, and convenient assembly and disassembly, no lubrication, durable and reliable. Non standard couplings are made in accordance with special needs. In overloading work and half coupling, there will be no malignant accidents.

LLB Type Tyre Coupling Main Dimension And Parameter

Note:Z₁ type shaft hole can not be used at both ends of half couplings.

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♦Our Company

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

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.

♦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.

♦FAQ
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 month under normal circumstance.

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

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:1) T/T. 

♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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Do Tyre Couplings Require Lubrication, and if so, How Often?

Unlike some other types of couplings, tyre couplings are typically designed to operate without the need for regular lubrication. The rubber tyre element in the coupling provides a flexible and friction-reducing interface between the hubs, allowing the coupling to function effectively without additional lubrication.

However, it is essential to note that while tyre couplings are generally maintenance-free regarding lubrication, regular inspections and maintenance checks are still necessary to ensure their proper functioning and longevity. Here are some key points to consider:

• Visual Inspection: Regularly inspect the tyre coupling for any signs of wear, damage, or deterioration. Check the rubber tyre element for cracks, tears, or any abnormal wear patterns that could affect its performance.
• Alignment Check: Misalignment can cause premature wear and reduce the life of the tyre coupling. Periodically check the alignment between the connected shafts and make necessary adjustments if misalignment is detected.
• Torque Checks: Ensure that the coupling is still transmitting torque effectively by periodically checking the power transmission capacity and verifying that it matches the application’s requirements.
• Load Capacity: Confirm that the selected tyre coupling can handle the expected loads and shock loads in the application. If there are any changes in the operating conditions, ensure that the coupling is still suitable for the new parameters.
• Environmental Factors: Consider the operating environment of the tyre coupling. While the coupling itself does not require lubrication, factors such as temperature, humidity, and exposure to chemicals may impact other components in the system. Protect the coupling from exposure to harsh chemicals or extreme temperatures to maintain its performance.

In summary, tyre couplings are designed to be maintenance-free regarding lubrication. However, regular visual inspections and maintenance checks are essential to ensure the coupling’s proper functioning and to address any issues before they lead to more significant problems. By following recommended maintenance practices, the tyre coupling can provide reliable and efficient service throughout its operational life.

Is Backlash a Concern with Tyre Couplings, and How is it Minimized?

Backlash is a potential concern with all types of flexible couplings, including tyre couplings. Backlash refers to the amount of free movement or play between the coupling’s components, particularly the tyre element and the coupling hubs. Excessive backlash can lead to inaccuracies, vibration, and reduced responsiveness in mechanical systems. However, tyre couplings are designed to minimize backlash through various features and proper installation techniques.

Here’s how tyre couplings address and minimize backlash:

• High Torsional Flexibility: Tyre couplings are known for their high torsional flexibility, allowing them to accommodate misalignments and angular displacements between the connected shafts. This flexibility helps to minimize the transmission of torsional forces and prevent excessive backlash.
• Material Selection: The choice of materials for the tyre element plays a vital role in minimizing backlash. High-quality elastomers, such as natural rubber or synthetic rubber compounds, provide excellent damping properties and resilience. These materials are selected to maintain a tight fit between the tyre and the coupling hubs, minimizing any free movement.
• Tight Fit Design: Tyre couplings are designed to have a tight fit between the tyre element and the hubs. The rubber tyre is molded or bonded to the hubs with a precise fit, reducing any potential play between the components.
• Proper Installation: Ensuring proper installation is crucial to minimize backlash. The tyre coupling should be mounted and aligned following the manufacturer’s guidelines. Tightening the coupling bolts to the specified torque values ensures a secure fit and reduces the risk of backlash due to loose connections.
• Regular Maintenance: Like any mechanical component, tyre couplings require periodic inspections and maintenance. Regularly checking for wear, damage, or signs of deterioration in the tyre element allows for early detection and replacement, minimizing the risk of increased backlash over time.

While tyre couplings are designed to minimize backlash, it is essential to choose the appropriate coupling size and type for the specific application. Additionally, considerations such as operating conditions, torque requirements, and misalignment levels should be accounted for during the coupling selection process to ensure optimal performance and backlash reduction.

By selecting high-quality tyre couplings, following proper installation procedures, and conducting regular maintenance, users can effectively minimize backlash and ensure the coupling’s reliable and efficient operation in mechanical systems.

Materials Used in Manufacturing Tyre Couplings

Tyre couplings are designed to withstand various operating conditions, including high torque, misalignment, and shock loads. As a result, they are typically constructed using high-quality and durable materials. The primary materials used in manufacturing tyre couplings are:

• Cast Iron: Cast iron is a common material used for the hubs of tyre couplings. It offers excellent strength, rigidity, and durability, making it suitable for heavy-duty applications. Cast iron hubs provide a sturdy foundation for the coupling and ensure reliable power transmission.
• Steel: Steel is used in various components of the tyre coupling, including the fasteners, such as bolts and screws. Steel fasteners provide the necessary clamping force to secure the coupling assembly while withstanding the torque and forces experienced during operation.
• Rubber: The tyre element of the coupling is made from high-grade rubber or synthetic rubber materials. Rubber is selected for its flexibility, resilience, and ability to dampen vibrations. The rubber tyre element acts as a flexible medium that accommodates misalignment and absorbs shock loads, reducing stress on the machinery and components.
• Aluminum: Some lightweight tyre couplings may use aluminum for the hubs or other non-load-bearing components. Aluminum offers corrosion resistance and reduces the overall weight of the coupling, which can be advantageous in certain applications.
• Phenolic Resin: In some high-performance tyre couplings, phenolic resin may be used to reinforce the rubber tyre element. The addition of phenolic resin enhances the coupling’s torque transmission capacity and torsional stiffness, making it suitable for demanding applications.

It is essential to select the appropriate materials based on the specific requirements of the application. Factors such as the magnitude of torque, operating temperature, environmental conditions, and the presence of corrosive substances play a crucial role in determining the materials’ suitability for the tyre coupling.

Manufacturers follow stringent quality control procedures to ensure the materials used in tyre couplings meet industry standards and performance requirements. Proper material selection and quality manufacturing contribute to the durability, reliability, and efficiency of tyre couplings across a wide range of industrial applications.

editor by CX 2024-03-02