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

Best Practices for Selecting Oil for an Oil Coupling System

Selecting the appropriate oil for an oil coupling system involves considering various factors to ensure optimal performance and longevity:

• Viscosity: Choose an oil with the right viscosity grade for the operating temperature range to maintain proper lubrication.
• Load and Torque: Consider the system’s load and torque requirements to select an oil that can handle the anticipated stresses.
• Speed: Determine the operating speed range and choose an oil that can provide adequate lubrication at those speeds.
• Environment: Assess the operating environment for factors like temperature, humidity, and potential contaminants.
• Compatibility: Ensure the chosen oil is compatible with the materials used in the coupling and its components.
• Oil Life: Evaluate the oil’s expected service life and its ability to resist oxidation and degradation over time.
• Oil Additives: Consider additives that enhance lubricity, anti-wear properties, and resistance to foaming and corrosion.
• Manufacturer Recommendations: Consult the coupling manufacturer’s guidelines and recommendations for oil selection.
• Oil Change Intervals: Determine the recommended oil change intervals based on factors like usage and operating conditions.
• Oil Analysis: Regularly monitor the oil’s condition through analysis to ensure it remains within acceptable parameters.
• Regulations: Consider any industry regulations or standards that might specify oil requirements for the intended application.

By following these best practices, you can choose the most suitable oil for your oil coupling system, optimizing its performance and longevity.

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.

Primary Functions and Benefits of Oil Couplings

An oil coupling, also known as a hydrodynamic coupling or fluid coupling, serves several important functions and offers a range of benefits in mechanical systems:

• 1. Torque Transmission: Oil couplings transmit torque from one shaft to another, allowing for power transfer between rotating components.
• 2. Smooth Start-Up: They enable smooth and controlled startup by allowing gradual engagement of the connected components, reducing shock loads and wear.
• 3. Overload Protection: Oil couplings act as overload protectors by allowing slip when excessive torque is applied, preventing damage to the machinery.
• 4. Shock Load Absorption: They absorb shock loads and vibrations, protecting equipment and reducing the risk of mechanical failures.
• 5. Torque Multiplication: Oil couplings can provide torque multiplication during startup, helping heavy machinery overcome inertia without straining the power source.
• 6. Variable Speed Transmission: They allow for variable speed operation by adjusting the amount of fluid in the coupling, providing flexibility in controlling the output speed.
• 7. Energy Efficiency: Oil couplings improve energy efficiency by allowing gradual acceleration and reducing the need for sudden power bursts.
• 8. Reduction of Wear and Tear: By preventing abrupt load changes and reducing stress on components, they contribute to the longevity of machinery.
• 9. Simplified Mechanical Design: Oil couplings can eliminate the need for complex mechanical clutches and torque converters in certain applications.

These functions and benefits make oil couplings valuable components in various industries, where they contribute to the efficiency, reliability, and overall performance of machinery and equipment.

editor by CX 2023-09-01