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

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

 

♦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

 

Company Profile

 

♦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

elastic coupling

Real-World Applications of Elastic Couplings

Elastic couplings find extensive use in various industries and applications where the reduction of vibration and shock is critical for performance, efficiency, and equipment longevity. Here are some examples:

  • Industrial Machinery: Elastic couplings are commonly employed in industrial machinery such as pumps, compressors, conveyors, and generators. They help minimize vibration and shock, ensuring smooth and reliable operation while protecting sensitive components.
  • Automotive Industry: In automotive applications, elastic couplings are used in drivetrains to dampen vibrations and shocks between the engine and the transmission. This enhances driving comfort, reduces noise, and prevents excessive wear on connected components.
  • Power Generation: Power generation equipment, including turbines and generators, benefits from elastic couplings that absorb torsional vibrations and shocks. This aids in maintaining stable power output and extending the lifespan of critical components.
  • Printing and Packaging: Printing presses and packaging machinery rely on elastic couplings to reduce vibrations during high-speed operations. This ensures precise printing and packaging while preventing damage to sensitive components.
  • Robotics and Automation: Elastic couplings are crucial in robotics and automation systems to mitigate vibrations and shocks that can affect accuracy and reliability. They enable precise movement control and consistent performance.
  • Medical Equipment: Medical devices such as MRI machines and X-ray equipment utilize elastic couplings to minimize vibrations that could impact image quality and precision during medical procedures.

These examples highlight how elastic couplings contribute to optimal performance, reduced maintenance, and increased equipment lifespan across diverse industries.

elastic coupling

Impact of Temperature Variations on Elastic Coupling Performance

Elastic couplings can be sensitive to temperature variations, and their performance can be influenced by both high and low temperatures:

1. High Temperatures: Elevated temperatures can cause the elastomeric material used in elastic couplings to soften, leading to a decrease in its mechanical properties. This can result in reduced torsional stiffness, damping capabilities, and overall coupling performance. High temperatures can also accelerate the aging process of the elastomer, leading to a shorter lifespan of the coupling. Additionally, excessive heat can cause thermal expansion of the coupling’s components, potentially leading to misalignment issues.

2. Low Temperatures: Extremely low temperatures can cause the elastomeric material to become more rigid, reducing its flexibility and damping characteristics. This can result in increased transmission of vibrations and shocks between connected components. Cold temperatures can also make the elastomer more brittle, increasing the risk of cracking or rupturing under mechanical stress.

It’s important to select an elastic coupling material that is suitable for the anticipated temperature range of the application. Some elastomers are formulated to perform well across a wide temperature range, while others are better suited for specific temperature conditions. Regular maintenance and inspection of elastic couplings in extreme temperature environments are crucial to ensure that the coupling continues to function as intended.

elastic coupling

Industries Using Elastic Couplings

Elastic couplings find extensive use in various industries due to their unique benefits:

  • Industrial Manufacturing: Elastic couplings are widely used in manufacturing equipment, conveyors, and assembly lines to maintain smooth operation and reduce vibrations.
  • Automotive: Automotive applications include engine components, powertrain systems, and vehicle suspension systems where flexibility and vibration dampening are crucial.
  • Power Generation: Elastic couplings are used in power generation equipment such as generators, turbines, and pumps to absorb torsional vibrations and enhance efficiency.
  • Aerospace: In aerospace applications, elastic couplings help dampen vibrations in critical components like aircraft engines and control systems.
  • Renewable Energy: Wind turbines and solar tracking systems benefit from elastic couplings to accommodate misalignments and vibrations caused by changing wind conditions.
  • Mining: Mining equipment such as crushers, conveyors, and screens utilize elastic couplings to handle varying loads and minimize shock loads.
  • Marine: Elastic couplings are used in marine propulsion systems and ship equipment to manage torque fluctuations and reduce vibrations.

These industries rely on elastic couplings to enhance performance, extend machinery lifespan, and minimize downtime due to vibrations, misalignments, and shock loads.

China OEM CHINAMFG Llb Type Tire Tyre Elastic Coupling Couplings Customized Transmission Connection Shaft  China OEM CHINAMFG Llb Type Tire Tyre Elastic Coupling Couplings Customized Transmission Connection Shaft
editor by CX 2024-04-23