China Professional 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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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.

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.

Factors to Consider When Selecting an Oil Coupling for an Application

When choosing an oil coupling for a specific application, several crucial factors need to be taken into consideration to ensure optimal performance and reliability:

1. Power and Torque Requirements: Determine the power and torque levels that the coupling needs to transmit. Select a coupling model with appropriate torque and power ratings that match or exceed the application’s requirements.

2. Speed Range: Consider the operational speed range of the machinery. Choose an oil coupling that can effectively operate within the specified speed limits without causing overheating or excessive wear.

3. Load Characteristics: Analyze the nature of the load, whether it’s constant or varying. High shock loads or frequent start-stop cycles may require a coupling with better shock-absorption and overload protection capabilities.

4. Misalignment Tolerance: Assess the potential misalignment between the driving and driven shafts. If there’s a possibility of misalignment, choose an oil coupling that can handle angular, axial, and radial misalignments to prevent premature wear.

5. Environmental Conditions: Consider the operating environment, including temperature, humidity, and exposure to contaminants. Select a coupling with suitable sealing and cooling features to ensure reliable performance in harsh conditions.

6. Maintenance Requirements: Evaluate the maintenance practices required by the coupling. Some oil couplings require periodic oil changes or inspections. Choose a coupling that aligns with your maintenance capabilities and schedule.

7. Space Constraints: Consider the available installation space. Choose a compact oil coupling design that fits within the available space while maintaining the required power transmission capacity.

8. Application Type: Different applications have specific demands. For example, pumps, compressors, and conveyor systems may require different types of oil couplings optimized for their unique characteristics.

9. Cost Considerations: Balance the performance requirements with the available budget. While high-quality couplings may have a higher upfront cost, they can lead to cost savings over the long term due to reduced maintenance and downtime.

10. Manufacturer Reputation: Opt for reputable manufacturers known for producing high-quality and reliable oil couplings. This ensures that you receive a product backed by technical support and warranties.

By carefully considering these factors, you can choose the right oil coupling that meets your application’s specific needs, leading to enhanced performance, efficiency, and longevity.

editor by CX 2024-03-26