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 /* 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

View More

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.

Real-world Applications and Success Stories of Tyre Couplings in Different Industries

Tyre couplings have found widespread use in various industries due to their exceptional performance and versatility. Here are some real-world applications and success stories of tyre couplings in different industries:

• Steel Industry: In steel mills, tyre couplings are employed in heavy machinery such as rolling mills and conveyor systems. The couplings’ ability to handle high torque, misalignments, and shock loads make them ideal for these demanding applications. Tyre couplings contribute to improved efficiency, reduced downtime, and increased productivity in steel manufacturing.
• Petrochemical Industry: Petrochemical plants utilize tyre couplings in pumps, compressors, and other rotating equipment. The couplings’ resistance to chemicals and wide temperature range allow them to operate reliably in aggressive environments. Tyre couplings have proven to be a cost-effective choice, reducing maintenance and enhancing safety in petrochemical facilities.
• Mining Industry: In mining operations, tyre couplings are employed in conveyors, crushers, and ball mills. These couplings can withstand the heavy loads and vibrations encountered in mining processes. Their ability to absorb shocks and accommodate misalignments contributes to prolonged equipment life and increased uptime in mining operations.
• Pulp and Paper Industry: Tyre couplings are widely used in pulp and paper mills, where they are applied in pumps, fans, and agitators. The couplings’ damping properties help reduce vibration and noise in these processes, leading to a more comfortable working environment for employees. They have also been instrumental in optimizing energy consumption in the pulp and paper industry.
• Power Generation: In power plants, tyre couplings are utilized in turbines, generators, and cooling tower fans. The couplings’ ability to accommodate misalignment and dampen vibrations enhances the performance and reliability of power generation equipment. Tyre couplings contribute to stable power generation and play a crucial role in meeting energy demands.
• Marine Industry: Tyre couplings are employed in various marine applications, including propulsion systems, thrusters, and deck machinery. The couplings’ compact design and ability to dampen vibrations are particularly advantageous on ships and offshore platforms, where space is limited, and smooth operation is essential for crew comfort and equipment longevity.
• Automotive Industry: In the automotive sector, tyre couplings are used in manufacturing processes such as assembly lines and paint booths. The couplings’ reliability and low maintenance requirements contribute to the smooth operation of automotive production facilities. Additionally, tyre couplings are employed in dynamometers for engine testing and development.
• Food and Beverage Industry: Tyre couplings are utilized in food processing equipment, including mixers, conveyors, and filling machines. Their ability to handle frequent starts and stops without causing damage to the machinery ensures the hygienic and efficient production of food and beverage products.

These are just a few examples of the extensive applications of tyre couplings across diverse industries. Their success stories are characterized by increased operational reliability, reduced maintenance costs, and improved machinery performance. The versatility and dependability of tyre couplings have made them a preferred choice for critical rotating equipment in various industrial sectors.

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 2024-03-06