China best 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

fluid coupling

Suitability of Oil Couplings for High-Temperature Environments

Oil couplings are generally suitable for applications involving high-temperature environments, provided certain considerations are taken into account:

  • Oil Selection: Choose an oil with a high temperature resistance and appropriate viscosity for the anticipated operating temperature range.
  • Oil Degradation: High temperatures can accelerate oil degradation, so regular oil analysis and maintenance are essential to monitor and replace degraded oil.
  • Sealing and Contamination: Ensure the coupling is properly sealed to prevent oil leakage and contamination, which can lead to overheating.
  • Material Compatibility: Verify that the materials used in the coupling can withstand the elevated temperatures without compromising structural integrity.
  • Cooling Methods: Consider implementing cooling mechanisms, such as forced air or cooling jackets, to dissipate excess heat.
  • Operating Conditions: Evaluate the duration and frequency of high-temperature operation and factor in any temperature fluctuations.

When appropriately designed, maintained, and monitored, oil couplings can effectively operate in high-temperature environments, providing reliable power transmission and torque conversion.

fluid coupling

Handling High Torque and Variable Speeds with Oil Couplings

Oil couplings are well-suited for applications that involve high torque and variable speeds due to their unique design and operating principle. Here’s how they handle these challenges:

  • High Torque: Oil couplings can effectively handle high torque levels by using the fluid’s viscosity and shear properties to transmit torque. As torque increases, the viscosity of the oil also increases, enhancing its ability to transmit power. This characteristic allows oil couplings to withstand sudden spikes in torque without causing damage.
  • Variable Speeds: Oil couplings are inherently capable of accommodating variable speeds. The viscosity of the oil can adjust to changing speeds, ensuring smooth power transmission even when the rotational speed varies. This flexibility is particularly beneficial in applications where the load or operating conditions may change frequently.

By relying on the fluid properties of the oil, oil couplings can maintain stable and efficient power transmission across a range of torque levels and speeds. This makes them suitable for applications that require high torque, variable speeds, and adaptability to changing operating conditions.

fluid coupling

Role of Oil Viscosity and Temperature in Oil Coupling Performance

The viscosity of the oil used in an oil coupling and the temperature at which the coupling operates play crucial roles in determining the coupling’s performance and efficiency:

Oil Viscosity: The viscosity of the oil refers to its resistance to flow. It affects the lubricating ability and overall efficiency of the coupling. The right oil viscosity ensures proper lubrication between the coupling’s components, reducing friction, wear, and heat generation. Oil with insufficient viscosity might not provide adequate lubrication, while oil with excessive viscosity might result in energy losses and overheating.

Temperature: The operating temperature of the oil coupling impacts its viscosity and performance. As temperature increases, oil viscosity tends to decrease, potentially leading to inadequate lubrication and increased wear. Conversely, at very low temperatures, the oil’s viscosity might become too high, hindering smooth rotation. It’s crucial to select an oil with a viscosity-temperature relationship that matches the coupling’s operating conditions.

Viscosity-Temperature Relationship: The choice of oil should consider the viscosity-temperature relationship of the oil. Some oils maintain a relatively consistent viscosity across a wide temperature range, making them suitable for applications with varying temperatures. Others might require additional heating or cooling systems to maintain the optimal viscosity level.

Oil Cooler and Heater: In applications where temperature variations are significant, oil couplings might include oil coolers or heaters to regulate the oil’s temperature. This helps maintain consistent viscosity and ensures optimal lubrication and performance even in extreme conditions.

Manufacturer Recommendations: Manufacturers of oil couplings often provide guidelines on the recommended oil viscosity and operating temperature range for their specific couplings. Following these recommendations helps ensure that the coupling functions efficiently and enjoys a longer service life.

By understanding the relationship between oil viscosity, temperature, and coupling performance, you can select the right oil and implement appropriate temperature control measures to optimize the functioning of your oil coupling.

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

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