Product Description

LLB Type Tire Tyre Elastic Coupling (JB/T10541-2005)

♦Description

LLB type tire coupling is a high-performance elastic coupling.

The elastic element is an integral tire body, the tire is sandwiched between steel flanges, and the steel flanges are installed on the drive shaft and driven shaft with tapered bushings, which have good shock absorption and shaft misalignment compensation performance.

♦Main Dimension and Characteristic Parameter

Note: Z1 holes shall not be used for both ends of the half-coupling.

♦Other Products List

♦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 Service
Our design team has experience in Cardan shafts 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 Service
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 new models when there are new cars in the market.

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

♦FAQ
Q   1: Are you a trading company or a 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 customers with customized PDF or AI format artworks.

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 an excellent price principle, when you make the bulk order the cost of the sample will be deducted.

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

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 /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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.

What are the Potential Challenges of Using Tyre Couplings and How to Overcome Them?

While tyre couplings offer numerous advantages in various industrial applications, there are some potential challenges that users may encounter. Understanding these challenges and implementing appropriate solutions can help overcome them effectively. Here are some common challenges and ways to address them:

1. Temperature Limitations: Tyre couplings have specific temperature limits, and operating them beyond these limits can lead to premature wear and failure. To overcome this challenge, ensure that the operating temperature remains within the manufacturer’s recommended range. If the application involves extreme temperatures, consider using couplings with high-temperature resistant tyre materials.
2. Misalignment and Imbalance: Excessive misalignment or imbalance can cause uneven loading and accelerate tyre wear. Regularly inspect the machinery for misalignment issues and correct them promptly. Balancing the rotating components also helps in reducing the load on the tyre element, leading to longer coupling life.
3. Overload and Torque Spikes: Subjecting the coupling to overloads or sudden torque spikes can result in damage to the tyre element or other coupling components. Ensure that the coupling is adequately sized for the application and consider using torque-limiting devices to protect the coupling from sudden torque surges.
4. Chemical Exposure: In environments with aggressive chemicals, the tyre material may degrade or experience accelerated wear. Choosing a chemically resistant tyre material or providing additional protection, such as covers or guards, can help mitigate the effects of chemical exposure.
5. Lubrication and Maintenance: Tyre couplings generally require little maintenance. However, proper lubrication of the coupling and periodic inspections are essential to ensure optimal performance. Follow the manufacturer’s guidelines for lubrication intervals and inspection procedures.
6. Environmental Contaminants: Dirt, debris, and other environmental contaminants can accumulate in the coupling’s teeth or elastomeric element, leading to increased wear. Regularly clean the coupling and protect it from external contaminants to extend its service life.
7. Shaft Movement and End Float: Excessive shaft movement or end float can cause the coupling to bind or lead to premature failure. Properly secure the shafts and use appropriate coupling designs that can accommodate the required axial movement, if applicable.
8. Selection and Installation: Incorrect coupling selection or improper installation can lead to performance issues. Work closely with coupling manufacturers or experts to select the right coupling type and size for the application. Follow the manufacturer’s installation guidelines carefully to ensure proper coupling operation.
9. Environmental Conditions: Extreme environmental conditions, such as high humidity or aggressive outdoor environments, may affect the coupling’s performance. Select couplings with suitable protective features or take preventive measures, such as applying corrosion-resistant coatings, to enhance the coupling’s durability.

By addressing these potential challenges and following best practices in coupling selection, installation, and maintenance, users can maximize the reliability, efficiency, and service life of tyre couplings in their industrial applications.

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 2024-02-06