China Good quality CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining

Product Description

Newest High-Speed Resilient Rubber 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.
 

Advantages:

  1. Excellent absorbency;
  2. Disassembly;
  3. No lubrication;
  4. Easy maintenance;
  5. Long lasting;

LLB Type Tyre Coupling Main Dimension And Parameter

Type Main dimension Number of screws
Md×L 
Shaft hole diameter
d dz
Shaft hole length Allowable
Torque
Allowable
Speed
Rotary inertia Mass
D D1 H   L Tn (n) kg·m2 kg
Y J1 Z1 N·m r/min
LLB1 60 20 26 12-M4×12 6-11 16-25 10 5000 0.0003 0.4
LLB2 100 36 32/37 12-M6×18 10-19 25-42 50 5000 0.0035 1.5
LLB3 120 44 39 12-M8×20 16-24 30-52 100 4000 0.01 2.2
LLB4 140 50 45 12-M10×20 22-35 38-82 160 3150 0.571 3.1
LLB5 160 60 51 12-M10×22 25-38 44-82 224 2800 0.031 5
LLB6 185 70 58 12-M12×25 30-45 60-112 315 2500 0.07 8.1
LLB7 220 85 68 12-M12×28 35-50 60-112 500 2000 0.15 13
LLB8 265 110 82 12-M12×32 40-56 84-142 800 1600 0.30 22
LLB9 310 120 106 12-M16×40 45-71 84-142 1250 1250 0.75 35
LLB10 400 150 124 12-M20×50 60-85 107-172 1600 1800 2.2 69
LLB11 445 190 140 12-M20×56 80-120 132-212 2250 1600 4.4 110
LLB12 550 238 172 16-M24×71 100-150 167-252 5000 1200 14 190
LLB13 700 318 220 24-M24×71 130-100 202-352 1000 1000 38 340

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

Product Show:

Our Services:

1. Design Services
Our design team has experience in tire coupling 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 new models when there are new cars in the market.

5. Quality Control
Every step should be a special 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 cardan shafts.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all the customers with customized artworks in 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 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 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 /* 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

Troubleshooting Common Issues with Tyre Couplings and Their Solutions

Tyre couplings, like any mechanical component, may encounter issues during their service life. Identifying and addressing these issues promptly is crucial to maintain the efficiency and reliability of the coupling and the connected machinery. Here are some common problems that may arise with tyre couplings and their potential solutions:

  • 1. Misalignment: Misalignment between the shafts can lead to premature wear, increased vibration, and reduced coupling performance. Inspect the coupling for any signs of misalignment, such as abnormal wear on the tyre or coupling hubs. To solve this issue, realign the shafts within acceptable tolerances or consider using a tyre coupling with higher misalignment capability if necessary.
  • 2. Excessive Vibration: Excessive vibration may indicate torsional vibration issues or misalignment. Check for any signs of damaged or worn components and ensure that the tyre coupling is adequately rated for the application’s speed and torque requirements. If vibration persists, consider using a tyre coupling with improved damping capabilities or consult with an engineer to identify the root cause.
  • 3. Overheating: Overheating can be caused by excessive torque or overloading, inadequate ventilation, or operating beyond the temperature limits of the coupling. Verify that the coupling is appropriately sized for the application’s torque requirements and check for any obstructions hindering proper cooling. If the temperature exceeds the specified limits, consider using a high-temperature variant of the coupling or implementing cooling measures.
  • 4. Abnormal Noise: Unusual noises, such as knocking or rattling, may indicate loose bolts, worn rubber elements, or misalignment. Inspect the coupling for loose connections and replace any damaged or worn parts. Additionally, verify the alignment and adjust if needed to eliminate the noise.
  • 5. Cracks or Tears in the Tyre: Cracks or tears in the rubber tyre element can compromise the coupling’s flexibility and damping properties. Inspect the tyre regularly and replace it if any damage is detected. It is essential to use the correct replacement tyre recommended by the manufacturer.
  • 6. Coupling Slippage: Slippage between the coupling and the shafts may occur due to inadequate tightening of the bolts or insufficient keying. Check the tightness of the bolts and ensure that they are torqued to the manufacturer’s specifications. If slippage persists, verify the keying or consider using a more secure keying method.

When troubleshooting tyre coupling issues, always refer to the manufacturer’s guidelines and technical documentation for specific solutions and recommendations. Regular inspections, preventive maintenance, and adherence to the manufacturer’s guidelines can help prevent and resolve problems, ensuring the smooth and efficient operation of tyre couplings and the connected machinery.

Can Tyre Couplings Accommodate Angular and Axial Misalignments Simultaneously?

Yes, tyre couplings are designed to accommodate both angular and axial misalignments simultaneously. The unique design of tyre couplings allows them to flex in multiple directions, making them highly versatile in compensating for various types of misalignments between the connected shafts.

The elastomeric tyre element of the coupling provides the necessary flexibility to accommodate angular misalignment. As the shafts rotate and their axes deviate from a perfect alignment, the tyre element deforms slightly to allow for the angular displacement. This helps reduce the reactive forces and torques that would otherwise be transmitted to the connected machinery, preventing excessive wear and damage.

Moreover, the tyre element’s elastic properties enable it to absorb axial misalignment as well. When one shaft moves axially relative to the other, the tyre element compresses or expands to accommodate the axial displacement. This feature is particularly beneficial in applications where axial movement is common, such as in reciprocating machinery.

By simultaneously accommodating angular and axial misalignments, tyre couplings help to minimize the stresses on the machinery and ensure smoother power transmission. However, it is essential to ensure that the misalignments are within the specified limits recommended by the coupling manufacturer to prevent overloading and premature wear of the coupling components.

In conclusion, tyre couplings are well-suited for applications with combined angular and axial misalignments, providing a reliable and efficient solution for power transmission in various industrial settings.

What is a Tyre Coupling and How Does it Work?

A tyre coupling, also known as a tire coupling, is a type of flexible coupling used to connect two shafts in machinery or equipment. It is designed to transmit torque and accommodate misalignments between the shafts while dampening vibrations and shock loads. The name “tyre coupling” comes from its construction, where a flexible tyre element connects the two hubs of the coupling.

Construction: A tyre coupling typically consists of two metal hubs, each attached to the ends of the shafts to be connected. These hubs are usually made of steel and have a flanged or non-flanged design. The flexible element in the coupling is a tyre made of high-quality rubber or synthetic material. The tyre is placed between the two hubs and secured in place by clamping elements or screws.

Working Principle: The tyre coupling’s working principle involves the transfer of torque from one shaft to the other through the flexible tyre element. When the shafts are misaligned, the tyre can deform and twist slightly, accommodating the angular, axial, and parallel misalignments between the shafts. This flexibility not only reduces stress on the connected machinery but also helps in dampening vibrations and shocks that may arise during the operation.

When torque is applied to one shaft, it causes the tyre to compress on one side and expand on the other, transmitting the torque to the other shaft. The tyre’s flexibility allows it to absorb shocks and vibrations, providing a cushioning effect and protecting the connected equipment from sudden jolts or impact loads.

Advantages of Tyre Couplings:

  • Misalignment Tolerance: Tyre couplings can handle both angular and parallel misalignments between the shafts, providing flexibility in installation and reducing the risk of shaft and bearing damage.
  • Vibration Damping: The rubber tyre element absorbs vibrations and shocks, leading to smoother operation and extended machinery life.
  • Simple Installation: Tyre couplings are relatively easy to install and require minimal maintenance.
  • Cost-Effective: They are a cost-effective solution for connecting shafts in various industrial applications.
  • Reduced Noise: The flexible tyre element helps in reducing noise levels during operation.

Applications:

Tyre couplings are used in a wide range of industrial applications, including:

  • Motor-driven equipment such as pumps, compressors, fans, and blowers.
  • Conveyors and material handling systems.
  • Power transmission systems in various industries.
  • Construction equipment and machinery.
  • Marine propulsion systems.
  • Steel mills and mining equipment.

Overall, tyre couplings offer a flexible and reliable solution for connecting shafts, ensuring smooth power transmission, and protecting machinery from misalignment-induced stress and vibrations.

China Good quality CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining  China Good quality CHINAMFG Llb Type Flexible Rubber Tyre Coupling for Metallurgy, Mining
editor by CX 2024-05-15

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