Product Description

LLB Type 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.

Are there any Safety Considerations when Using Tyre Couplings?

When using tyre couplings in industrial applications, several safety considerations should be taken into account to ensure the well-being of personnel and the reliable operation of the machinery. Here are some important safety considerations when using tyre couplings:

• Proper Installation: Ensure that tyre couplings are installed correctly and according to the manufacturer’s guidelines. Improper installation can lead to coupling failure, misalignment, and potential hazards during operation.
• Regular Inspections: Conduct regular inspections of the coupling and its components to check for signs of wear, damage, or deterioration. Address any issues promptly to prevent potential failures or accidents.
• Torque Specifications: Follow the manufacturer’s recommended torque specifications when tightening coupling bolts. Over or under-tightening can lead to coupling slippage or failure.
• Temperature Limits: Operate the coupling within the specified temperature limits. Exceeding these limits can affect the material properties of the tyre and lead to premature failure.
• Speed Limits: Ensure that the coupling is used within its recommended speed limits. Operating the coupling at higher speeds than specified can result in excessive wear and potential failure.
• Proper Alignment: Misalignment can cause increased stresses on the coupling and connected machinery. Properly align the shafts and use coupling models with sufficient misalignment tolerance.
• Guarding and Safety Shields: Consider using guarding and safety shields around rotating coupling components to prevent accidental contact and protect personnel from potential hazards.
• Emergency Shutdown: Implement emergency shutdown procedures to stop the machinery quickly in case of coupling failure or other critical issues.
• Maintenance: Conduct regular maintenance as per the manufacturer’s recommendations. Lubrication, inspection, and replacement of worn components are essential to ensure safe and reliable operation.
• Proper Coupling Selection: Select the appropriate coupling size and type based on the application’s torque, speed, and misalignment requirements. Using an undersized or mismatched coupling can lead to premature failure.

Furthermore, safety protocols and guidelines provided by relevant authorities and regulatory bodies should be followed when operating machinery with tyre couplings. Adequate training of personnel involved in installation, operation, and maintenance is crucial to ensure their understanding of the coupling’s safe usage and handling.

By adhering to these safety considerations, industrial operators can mitigate risks and ensure the safe and efficient operation of machinery equipped with tyre couplings.

Advantages of Using Tyre Couplings in Industrial Applications

Tyre couplings offer several advantages that make them a popular choice for various industrial applications. These advantages include:

• Misalignment Tolerance: Tyre couplings can accommodate both angular and parallel misalignments between the connected shafts. This flexibility allows for easier installation and reduces the risk of damage to the shafts and bearings due to misalignment.
• Vibration Damping: The rubber tyre element in the coupling acts as a natural shock absorber, effectively dampening vibrations and minimizing the transmission of vibration to connected equipment. This feature is particularly beneficial in applications where vibrations could lead to premature wear and tear or compromise the integrity of nearby components.
• Shock Load Absorption: Tyre couplings are capable of absorbing shock loads that may occur during equipment start-up or sudden changes in operation. The flexible nature of the tyre helps protect the machinery and components from sudden impacts, enhancing the overall system’s reliability and longevity.
• Reduced Noise: The rubber tyre element’s ability to absorb vibrations contributes to noise reduction during operation. This advantage is especially valuable in environments where noise levels must be kept to a minimum for safety, comfort, or regulatory compliance.
• Simple Installation and Maintenance: Tyre couplings are relatively easy to install and require minimal maintenance. Their design allows for straightforward assembly and disassembly, making maintenance tasks more efficient and cost-effective.
• Cost-Effectiveness: Tyre couplings are a cost-effective solution for connecting shafts in various industrial systems. They offer high-performance characteristics at a reasonable price point, making them an attractive choice for budget-conscious projects.
• Machinery Protection: The ability to accommodate misalignments and dampen vibrations helps protect machinery and equipment from excessive stress, thereby extending their operational life and reducing downtime and maintenance costs.
• Flexibility: Tyre couplings can be used in a wide range of industrial applications, including motor-driven equipment, conveyors, compressors, pumps, fans, and many more. Their versatility makes them a practical choice for various industries and applications.

Overall, tyre couplings provide a reliable and efficient method for connecting shafts in industrial machinery and equipment. Their ability to handle misalignments, dampen vibrations, absorb shocks, and reduce noise makes them an excellent choice for improving system performance, enhancing machinery reliability, and minimizing maintenance requirements in diverse industrial settings.

editor by CX 2024-05-06