China manufacturer 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

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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.

Comparison of Oil Couplings with Fluid and Magnetic Couplings

Oil couplings, fluid couplings, and magnetic couplings are all used for power transmission and torque transfer in machinery. Here’s how they compare:

Oil Couplings: Oil couplings use an oil-filled chamber to transmit torque. They provide damping and allow controlled slippage during startup and overload conditions. They are well-suited for applications with varying torque and dampening requirements. However, they require regular maintenance and can be affected by oil quality and viscosity.

Fluid Couplings: Fluid couplings also use a fluid-filled chamber for torque transmission. They offer smooth and controlled start-up with no mechanical contact. Fluid couplings are ideal for applications requiring gentle acceleration, such as conveyor belts. However, they can generate heat during continuous operation and may not be suitable for high-speed applications.

Magnetic Couplings: Magnetic couplings use magnetic fields to transfer torque through a barrier, such as a wall or casing. They offer hermetic sealing and eliminate the need for mechanical seals. Magnetic couplings are often used in applications with aggressive chemicals or hazardous materials. They provide efficient torque transfer but may have limited torque capacity.

Comparison: The choice between these couplings depends on the specific requirements of the application. Oil couplings provide controlled slippage, making them suitable for applications with torque variations. Fluid couplings offer smooth acceleration and are useful for applications with start-up requirements. Magnetic couplings are ideal for applications where hermetic sealing is necessary. Consider factors like torque requirements, speed, environmental conditions, and maintenance when selecting the appropriate coupling type.

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 2024-04-02