China OEM Newest High Speed Resilient Rubber Tyre Coupling

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.

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

♦Other Products List

Transmission Machinery 
Parts Name
Model
Universal Coupling WS,WSD,WSP
Cardan Shaft SWC,SWP,SWZ
Tooth Coupling CL,CLZ,GCLD,GIICL,
GICL,NGCL,GGCL,GCLK
Disc Coupling JMI,JMIJ,JMII,JMIIJ
High Flexible Coupling LM
Chain Coupling GL
Jaw Coupling LT
Grid Coupling JS

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
 

How to Select the Right Size and Type of Tyre Coupling for Specific Applications?

Selecting the right size and type of tyre coupling is crucial to ensure optimal performance and longevity in specific industrial applications. Here are the steps to guide you in choosing the appropriate tyre coupling:

  1. Identify Application Requirements: Understand the specific requirements of the application, including the torque and power transmission requirements, operating speed, and the presence of shock loads and vibrations. Consider the equipment’s duty cycle, the type of machinery involved, and any special environmental conditions.
  2. Calculate Torque Requirements: Calculate the torque that needs to be transmitted by the coupling. This can be determined by considering the maximum power output of the driver (e.g., motor) and the requirements of the driven equipment (e.g., pump, fan). Ensure that the selected coupling has a torque rating that exceeds the calculated value to provide a safety margin.
  3. Check Bore Sizes: Ensure that the tyre coupling’s bore sizes match the shaft sizes of the connected equipment. The coupling’s bore should be a suitable fit for the shaft diameter without excessive play, ensuring efficient power transmission.
  4. Consider Misalignment Tolerance: Tyre couplings can accommodate angular, parallel, and axial misalignments. Evaluate the expected misalignment in the application and choose a coupling with an appropriate misalignment capability to prevent excessive forces and premature wear on the machinery.
  5. Assess Speed Capability: Verify that the selected tyre coupling can handle the rotational speed of the application. Ensure that the coupling’s maximum speed rating exceeds the application’s operating speed to prevent issues like resonance and excessive heat buildup.
  6. Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, presence of chemicals, and exposure to outdoor elements can impact the coupling’s performance and material selection. Choose a coupling with suitable material properties and coatings to withstand the specific environment.
  7. Verify Shock Load Capacity: If the application is subject to sudden impact or shock loads, ensure that the selected tyre coupling has sufficient shock load capacity to handle these events without compromising performance or causing damage to the equipment.
  8. Consult Manufacturer’s Guidelines: Refer to the manufacturer’s product catalog or guidelines for detailed specifications and recommendations for different applications. Manufacturers often provide coupling selection tools and engineering support to assist in making the right choice.

By carefully evaluating these factors and considering the specific requirements of the application, you can select the appropriate size and type of tyre coupling to achieve reliable and efficient operation in your industrial machinery and equipment.

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.

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.

China OEM Newest High Speed Resilient Rubber Tyre Coupling  China OEM Newest High Speed Resilient Rubber Tyre Coupling
editor by CX 2023-10-08

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