China high quality 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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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.

Types of Oils or Lubricants Used in Oil Couplings

Oil couplings typically use various types of oils or lubricants to facilitate power transmission and reduce friction between moving parts. The choice of oil depends on factors such as application, operating conditions, and temperature range. Some common types of oils used in oil couplings include:

• Mineral Oils: These are traditional petroleum-based oils with good lubricating properties and stability under moderate temperature and load conditions.
• Synthetic Oils: Synthetic oils are engineered lubricants with superior temperature stability, oxidation resistance, and reduced friction. They are often used in high-temperature or extreme conditions.
• Biodegradable Oils: In environmentally sensitive applications, biodegradable oils are chosen for their eco-friendly properties and biodegradability.
• High-Viscosity Oils: For heavy-duty applications or situations requiring high torque transmission, oils with higher viscosity are preferred to ensure proper lubrication and load-bearing capacity.
• Specialty Oils: Certain applications may require specialty oils, such as fire-resistant oils for safety or food-grade oils for industries like food and beverage.

The selection of the appropriate oil or lubricant is critical to ensure efficient power transmission, heat dissipation, and overall coupling performance. Manufacturers and users should consult the coupling’s specifications and operating conditions to determine the most suitable oil type.

Function of an Oil Coupling in Power Transmission

An oil coupling, also known as a fluid coupling, serves as a mechanical device used to transmit power and torque between two rotating shafts while allowing some degree of flexibility and isolation. It works on the principle of hydraulic fluid dynamics to achieve power transmission. Here’s how it operates:

1. Filling the Cavity: The oil coupling consists of two primary components: the driving impeller (or pump) and the driven impeller (or turbine). These impellers are housed within a casing. The casing is partially filled with hydraulic fluid (oil).

2. Driving Impeller Action: The driving impeller is connected to the driving shaft. When the driving shaft rotates, the impeller blades force the hydraulic fluid to move radially outward towards the casing walls. This action creates a flow of fluid within the coupling.

3. Fluid Circulation: The circulating fluid forms a vortex or swirl pattern within the coupling. As the fluid flows towards the casing, it transfers its momentum and energy to the driven impeller.

4. Driven Impeller Response: The driven impeller, connected to the driven shaft, responds to the fluid’s energy by rotating in sync with the driving impeller’s motion. The hydraulic fluid’s kinetic energy is converted into mechanical energy, resulting in torque transmission to the driven shaft.

5. Fluid Continuity: The hydraulic fluid continues to circulate between the impellers, maintaining the torque transmission even when there are slight speed differences or misalignments between the driving and driven shafts.

6. Fluid Flexibility: The hydraulic fluid also serves to dampen shocks and absorb vibrations, providing a degree of cushioning and protecting the connected machinery from sudden impacts or load fluctuations.

Overall, an oil coupling enables efficient power transmission while accommodating some level of misalignment, shock absorption, and overload protection.

editor by CX 2024-04-29