China best CHINAMFG Hot Sale Flexible Rubber Tyre Coupling

Product Description

LLB Type Tyre Coupling

The LLB Flexible Tyre Coupling is a kind of high elastic coupling, with a 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 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 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 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 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

fluid coupling

Protection Against Leaks and Contamination in Oil Couplings

Oil couplings are designed with various features and practices to prevent leaks and contamination, ensuring their reliable operation:

  • Sealing Mechanisms: High-quality seals and gaskets are used at critical points to prevent oil leakage and entry of contaminants.
  • Seal Maintenance: Regular inspection and replacement of seals and gaskets help maintain their integrity and prevent leaks.
  • Enclosures: Some oil couplings are housed within protective enclosures that shield them from external debris, dust, and moisture.
  • Oil Filtration: Some systems incorporate oil filtration units to remove contaminants and particles from the oil before it enters the coupling.
  • Oil Analysis: Regular oil analysis helps monitor the condition of the lubricant and detect contaminants or degradation early.
  • Proper Installation: Precise installation and alignment reduce the risk of seal damage and misalignment-related leaks.
  • Clean Environment: Maintaining a clean operating environment minimizes the likelihood of contaminants entering the coupling.
  • Oil Reservoir Design: Well-designed reservoirs and chambers within the coupling can prevent oil from escaping and contaminants from entering.
  • Seal Design: Advanced seal designs with protective features can provide enhanced resistance to leaks and contamination.

Through these protective measures, oil couplings can effectively safeguard against leaks and contamination, ensuring their continued performance and reliability.

fluid coupling

Diagnosing Potential Issues in Oil Couplings

Identifying potential problems in an oil coupling is essential for maintaining its performance and preventing costly downtime. Here are some signs to watch for and how they can be diagnosed:

  • Increased Vibrations: Excessive vibrations could indicate misalignment, wear, or imbalance in the coupling. Use vibration analysis tools to assess the severity and pinpoint the source of vibrations.
  • Unusual Noises: Strange noises like grinding or clunking may suggest worn or damaged components. Conduct a visual inspection and listen carefully while the equipment is running.
  • Overheating: If the coupling becomes excessively hot, it could be due to inadequate lubrication, misalignment, or high loads. Use infrared thermography to identify hot spots and determine the cause.
  • Leakage: Oil leakage from the coupling indicates a potential seal failure. Inspect the coupling’s seals and gaskets for damage and check the oil levels regularly.
  • Irregular Torque Transmission: Inconsistent power transmission could result from wear, misalignment, or oil contamination. Conduct torque tests to measure the coupling’s efficiency and identify any deviations.
  • Increased Friction: Higher friction levels can be caused by inadequate lubrication or contamination. Monitor temperature changes and friction levels during operation.
  • Reduced Performance: A decrease in system performance may point to wear, misalignment, or damage. Regularly measure coupling parameters, such as rotational speed and torque, and compare them to design specifications.

Diagnosing issues in an oil coupling involves a combination of visual inspections, monitoring performance parameters, and using specialized diagnostic tools to identify and address potential problems promptly.

fluid coupling

Function of an Oil Coupling in Power Transmission

An oil coupling, also known as a fluid coupling, serves as a mechanical device used to transmit power and torque between two rotating shafts while allowing some degree of flexibility and isolation. It works on the principle of hydraulic fluid dynamics to achieve power transmission. Here’s how it operates:

1. Filling the Cavity: The oil coupling consists of two primary components: the driving impeller (or pump) and the driven impeller (or turbine). These impellers are housed within a casing. The casing is partially filled with hydraulic fluid (oil).

2. Driving Impeller Action: The driving impeller is connected to the driving shaft. When the driving shaft rotates, the impeller blades force the hydraulic fluid to move radially outward towards the casing walls. This action creates a flow of fluid within the coupling.

3. Fluid Circulation: The circulating fluid forms a vortex or swirl pattern within the coupling. As the fluid flows towards the casing, it transfers its momentum and energy to the driven impeller.

4. Driven Impeller Response: The driven impeller, connected to the driven shaft, responds to the fluid’s energy by rotating in sync with the driving impeller’s motion. The hydraulic fluid’s kinetic energy is converted into mechanical energy, resulting in torque transmission to the driven shaft.

5. Fluid Continuity: The hydraulic fluid continues to circulate between the impellers, maintaining the torque transmission even when there are slight speed differences or misalignments between the driving and driven shafts.

6. Fluid Flexibility: The hydraulic fluid also serves to dampen shocks and absorb vibrations, providing a degree of cushioning and protecting the connected machinery from sudden impacts or load fluctuations.

Overall, an oil coupling enables efficient power transmission while accommodating some level of misalignment, shock absorption, and overload protection.

China best CHINAMFG Hot Sale Flexible Rubber Tyre Coupling  China best CHINAMFG Hot Sale Flexible Rubber Tyre Coupling
editor by CX 2024-05-16

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