China OEM 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

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Role of Oil Couplings in Vibration Reduction and Machinery Efficiency

An oil coupling can play a significant role in reducing vibrations and enhancing machinery efficiency:

• Vibration Dampening: The damping effect of the oil absorbs and dissipates vibrations, minimizing their transmission between connected shafts.
• Smooth Torque Transmission: The oil’s fluid properties allow gradual torque transfer, reducing sudden jolts and shocks that lead to vibrations.
• Shock Absorption: Oil couplings absorb sudden load changes and shocks, preventing them from propagating throughout the machinery.
• Energy Efficiency: The controlled and efficient transmission of torque minimizes energy losses due to vibrations and shocks, enhancing overall machinery efficiency.
• Noise Reduction: By dampening vibrations, oil couplings can help reduce noise generated by machinery operation.

Overall, the use of oil couplings contributes to smoother and more efficient machinery performance by minimizing vibrations and promoting stable torque transmission.

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.

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.

editor by CX 2024-05-08