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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What are the Temperature and Speed Limits for Tyre Coupling Applications?

The temperature and speed limits for tyre coupling applications depend on various factors, including the specific design and material of the coupling, the type of rubber used in the tyre element, and the manufacturer’s guidelines. It is essential to adhere to these limits to ensure the safe and efficient operation of the coupling. Here are some general considerations regarding temperature and speed limits for tyre coupling applications:

• Temperature Limits: The temperature limits for tyre couplings are primarily determined by the elastomeric material used in the tyre element. The rubber in the tyre must be able to withstand the operating temperatures in the application without experiencing excessive degradation or hardening. Common elastomers used in tyre couplings, such as natural rubber, synthetic rubber, or polyurethane, have different temperature ranges. For instance, standard rubber couplings typically have a temperature range of -30°C to 80°C (-22°F to 176°F), while high-temperature variants can handle temperatures up to 120°C (248°F) or more. For applications operating at extreme temperatures beyond these limits, special high-temperature or low-temperature materials may be required.
• Speed Limits: The speed limits of tyre couplings are influenced by the coupling’s design, size, and the material properties of the rubber tyre element. As the rotational speed of the coupling increases, centrifugal forces can come into play, affecting the performance and stability of the coupling. Manufacturers provide specific speed ratings for their tyre couplings, indicating the maximum allowable RPM (revolutions per minute) or rotational speed. Exceeding these speed limits can lead to premature wear, reduced damping capability, and potential coupling failure. It is essential to choose a coupling with a speed rating that comfortably exceeds the application’s operating speed to account for any variations or transient conditions.

For both temperature and speed limits, it is crucial to refer to the manufacturer’s technical documentation, product specifications, or consult with their engineering support team to determine the exact limits for a specific tyre coupling model. Manufacturers conduct rigorous testing and analysis to establish these limits, ensuring safe and reliable performance under the stated operating conditions.

By understanding and adhering to the temperature and speed limits of the tyre coupling, users can select the appropriate coupling for their application and ensure its longevity and reliability in the intended operating environment.

Can Tyre Couplings Accommodate Angular and Axial Misalignments Simultaneously?

Yes, tyre couplings are designed to accommodate both angular and axial misalignments simultaneously. The unique design of tyre couplings allows them to flex in multiple directions, making them highly versatile in compensating for various types of misalignments between the connected shafts.

The elastomeric tyre element of the coupling provides the necessary flexibility to accommodate angular misalignment. As the shafts rotate and their axes deviate from a perfect alignment, the tyre element deforms slightly to allow for the angular displacement. This helps reduce the reactive forces and torques that would otherwise be transmitted to the connected machinery, preventing excessive wear and damage.

Moreover, the tyre element’s elastic properties enable it to absorb axial misalignment as well. When one shaft moves axially relative to the other, the tyre element compresses or expands to accommodate the axial displacement. This feature is particularly beneficial in applications where axial movement is common, such as in reciprocating machinery.

By simultaneously accommodating angular and axial misalignments, tyre couplings help to minimize the stresses on the machinery and ensure smoother power transmission. However, it is essential to ensure that the misalignments are within the specified limits recommended by the coupling manufacturer to prevent overloading and premature wear of the coupling components.

In conclusion, tyre couplings are well-suited for applications with combined angular and axial misalignments, providing a reliable and efficient solution for power transmission in various industrial settings.

What is a Tyre Coupling and How Does it Work?

A tyre coupling, also known as a tire coupling, is a type of flexible coupling used to connect two shafts in machinery or equipment. It is designed to transmit torque and accommodate misalignments between the shafts while dampening vibrations and shock loads. The name “tyre coupling” comes from its construction, where a flexible tyre element connects the two hubs of the coupling.

Construction: A tyre coupling typically consists of two metal hubs, each attached to the ends of the shafts to be connected. These hubs are usually made of steel and have a flanged or non-flanged design. The flexible element in the coupling is a tyre made of high-quality rubber or synthetic material. The tyre is placed between the two hubs and secured in place by clamping elements or screws.

Working Principle: The tyre coupling’s working principle involves the transfer of torque from one shaft to the other through the flexible tyre element. When the shafts are misaligned, the tyre can deform and twist slightly, accommodating the angular, axial, and parallel misalignments between the shafts. This flexibility not only reduces stress on the connected machinery but also helps in dampening vibrations and shocks that may arise during the operation.

When torque is applied to one shaft, it causes the tyre to compress on one side and expand on the other, transmitting the torque to the other shaft. The tyre’s flexibility allows it to absorb shocks and vibrations, providing a cushioning effect and protecting the connected equipment from sudden jolts or impact loads.

Advantages of Tyre Couplings:

• Misalignment Tolerance: Tyre couplings can handle both angular and parallel misalignments between the shafts, providing flexibility in installation and reducing the risk of shaft and bearing damage.
• Vibration Damping: The rubber tyre element absorbs vibrations and shocks, leading to smoother operation and extended machinery life.
• Simple Installation: Tyre couplings are relatively easy to install and require minimal maintenance.
• Cost-Effective: They are a cost-effective solution for connecting shafts in various industrial applications.
• Reduced Noise: The flexible tyre element helps in reducing noise levels during operation.

Applications:

Tyre couplings are used in a wide range of industrial applications, including:

• Motor-driven equipment such as pumps, compressors, fans, and blowers.
• Conveyors and material handling systems.
• Power transmission systems in various industries.
• Construction equipment and machinery.
• Marine propulsion systems.
• Steel mills and mining equipment.

Overall, tyre couplings offer a flexible and reliable solution for connecting shafts, ensuring smooth power transmission, and protecting machinery from misalignment-induced stress and vibrations.

editor by CX 2024-04-29