Product Description

 

Product Description

Gearbox Motor Rubber Coupling for Freight and Personnel Elevators Spare Parts

Model	Rated Torque Tn	Allowable Rotation Speed	Bore Diameter d1 , d2 , dz	Bore Length L, L1	Weight
	N.m	r/min	mm	mm	kg
CLSJ50	28	15000	10-24	22-38	1.00
CLSJ70	112	11000	12-38	27-60	2.50
CLSJ85	160	9000	16-38	30-60	3.42
CLSJ105	355	7250	18-42	30-84	5.15
CLSJ125	450	6000	20-55	38-84	10.1
CLSJ145	710	5250	25-65	44-107	13.1
CLSJ170	1250	4500	30-85	60-132	21.2
CLSJ200	2000	3750	35-95	60-142	33.0
CLSJ230	3150	3250	40-95	84-142	45.5
CLSJ260	5000	3000	45-125	84-172	75.2
CLSJ300	7100	2500	60-140	108-172	99.2
CLSJ360	12500	2150	60-150	107-212	148.1
CLSJ400	14000	1900	80-160	132-242	197.5

why choose our product

Cheaper price than CHINAMFG brands, good quality.

FAQ

1. What are your main products?
We produce Construction Hoist (also called construction elevator, construction lift) and spare parts of it.

2. Are all Construction Hoist the same from all Vendors & Manufacturers?
Our High rise building construction hoist with VFD for lifting materials and passengers have exported to Europe, Middle and southern America, most of Asia, and some countries from Africa, about 50 countries. We can well match European standards, Russia standards and America standards. We have technology for develope new design ability and we support many customer with good solutions to solve their construction site special vertical access problems.

3. Do your products have some certificates?
Yes. Our Construction Hoist have passed CE ,ISO  Certificates.

4. What are the payment terms and the delivery time?
Payment terms are T/T and LC. We will ship the cargo within 7-21 days after receiving the 30% deposit.

5. Are you manufacturer or the trader?
We are manufacturer with 17 years maker experiences, have advanced production line and inspection device. Our Research and development team have got many praise from customers.

6. Will you develop distributor and sole agent?
Yes, should you have any interest to be our distributor and agent, please let us know in any ways. Sole agent is available depend on the sales turnover.

7. Where do you ship to and what countries have you done business in?
We provide quick and efficient shipping to countries all over the world from HangZhou port or other China port.
We have done business with customers in many countries, such as Mexico, Brazil, Korea, Malaysia, Thailand, India, Vietnam, Indonesia, UAE, Qatar, Kuwait,Saudi Arabia etc.

 

/* 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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Contribution of Elastomeric Couplings to Mechanical System Efficiency

Elastomeric couplings play a significant role in enhancing the overall efficiency of mechanical systems in various ways:

1. Power Transmission Efficiency:

Elastomeric couplings efficiently transmit torque from one shaft to another, minimizing energy losses during power transmission. Their flexibility allows them to maintain continuous contact with the shafts, reducing backlash and ensuring efficient torque transfer.

2. Misalignment Compensation:

Shaft misalignments can occur due to various factors like thermal expansion, manufacturing tolerances, or structural shifts. Elastomeric couplings can accommodate angular, parallel, and axial misalignments, ensuring that the system remains properly aligned during operation. This reduces stress on connected components, conserving energy and extending the lifespan of the machinery.

3. Vibration Damping:

Elastomeric materials have excellent damping properties that help reduce vibrations and oscillations in rotating machinery. By absorbing and dissipating vibrational energy, these couplings decrease the impact of vibrations on the system, improving overall efficiency and reducing wear on components.

4. Shock Load Absorption:

During sudden torque spikes or load changes, elastomeric couplings act as shock absorbers, cushioning the impact and preventing the propagation of shock loads to connected equipment. This protects the machinery from damage and enhances its overall efficiency and reliability.

5. Noise Reduction:

Elastomeric couplings’ ability to dampen vibrations also contributes to noise reduction in mechanical systems. Reduced vibration levels lead to quieter operation, making elastomeric couplings beneficial in noise-sensitive environments.

6. Cost-Effectiveness:

Elastomeric couplings are generally cost-effective compared to some other coupling types, providing efficient power transmission at a lower cost. Their ease of installation and maintenance further add to their cost-effectiveness.

7. Protection Against Overloads:

In case of overloads or sudden changes in operating conditions, elastomeric couplings protect the system by absorbing excess energy and preventing damage to connected machinery. This protection helps avoid costly downtime and repairs.

8. Easy Installation and Maintenance:

The simplicity of elastomeric coupling designs facilitates easy installation and maintenance, reducing downtime and maintenance costs. Periodic inspections and lubrication, where required, help maintain the coupling’s efficiency and extend its service life.

Overall, elastomeric couplings enhance mechanical system efficiency by optimizing power transmission, compensating for misalignments, reducing vibrations and noise, absorbing shock loads, and providing cost-effective and reliable performance. Properly selected and maintained elastomeric couplings contribute to the smooth and efficient operation of various industrial machinery and equipment.

Reducing Vibrations and Noise with Elastomeric Couplings

Elastomeric couplings are designed with inherent damping properties that enable them to effectively reduce vibrations and noise in rotating machinery. Here’s how elastomeric couplings achieve this:

1. Vibration Absorption:

Elastomeric materials have the ability to absorb and dissipate vibrational energy. When a rotating machinery system experiences torsional vibrations, the elastomeric coupling’s flexible element absorbs these vibrations, preventing them from propagating through the system. This dampening effect helps to minimize the transmission of vibrations to the connected equipment, reducing wear and fatigue on components.

2. Shock Load Reduction:

Elastomeric couplings can also absorb shock loads that occur during sudden starts and stops. When the machinery experiences abrupt changes in torque, the elastomeric material cushions the impact, protecting the machinery from potentially harmful shock loads.

3. Misalignment Compensation:

Machinery misalignment can lead to vibrations, noise, and premature wear. Elastomeric couplings are designed to accommodate various types of misalignment, including angular, parallel, and axial misalignments. By flexing and compensating for misalignment, the coupling reduces stress on the connected machinery, further minimizing vibrations.

4. Damping of Resonance:

Resonance is a phenomenon where the natural frequency of the rotating machinery coincides with an external force, leading to amplified vibrations. Elastomeric couplings help dampen resonance by absorbing and dissipating the energy, preventing resonance-related issues and reducing noise.

5. Electrical Isolation:

Elastomeric couplings made from electrically insulating materials provide electrical isolation between connected shafts. This isolation prevents the transmission of electrical currents or interference between the machinery components, which can contribute to noise and signal disturbances.

By effectively reducing vibrations and noise, elastomeric couplings contribute to smoother and quieter operation of rotating machinery. This leads to benefits such as improved equipment reliability, reduced maintenance costs, and increased operator comfort in industrial settings.

However, it is important to select the appropriate elastomeric coupling based on the specific requirements of the machinery and application. Factors such as torque, speed, misalignment, and environmental conditions must be considered to ensure that the coupling can effectively mitigate vibrations and noise while providing reliable power transmission.

Limitations and Drawbacks of Using Elastomeric Couplings in Specific Scenarios

While elastomeric couplings offer several advantages, they may not be the ideal choice for every scenario. There are some limitations and drawbacks to consider, particularly in specific industrial applications. Here are some key points to be aware of:

1. Torque Capacity:

Elastomeric couplings may have limitations in handling high torque levels. In heavy-duty applications with significant torque requirements, a different type of coupling, such as a gear coupling or grid coupling, might be more suitable.

2. Temperature Range:

Elastomeric materials have temperature limitations. In environments with extreme temperatures, such as high-temperature industrial processes or cryogenic applications, elastomeric couplings may degrade or lose their flexibility, affecting their performance and lifespan.

3. Chemical Compatibility:

Some chemicals or aggressive substances may degrade the elastomeric material used in the coupling. In such cases, alternative coupling materials, like stainless steel or special coatings, should be considered.

4. High-Speed Applications:

In applications with high rotational speeds, elastomeric couplings might experience dynamic issues like resonance or flutter, which can lead to premature wear or failure. High-speed applications often require specialized couplings, such as disc couplings or diaphragm couplings.

5. Stiffness and Torsional Rigidity:

For applications requiring precise motion control or minimal angular deflection, elastomeric couplings might not provide the necessary stiffness or torsional rigidity. In such cases, rigid couplings or precision couplings are better suited.

6. Axial Load Handling:

Elastomeric couplings are primarily designed for torque transmission and misalignment compensation. They may not be suitable for handling significant axial loads between connected shafts.

7. Maintenance in Harsh Environments:

In environments with abrasive particles, high humidity, or other harsh conditions, elastomeric couplings might require more frequent maintenance to prevent premature wear.

8. Space Limitations:

Due to their flexible design, elastomeric couplings might require more space compared to some other coupling types. In compact or space-constrained applications, alternative couplings with more compact designs might be preferred.

Despite these limitations, elastomeric couplings remain highly versatile and effective in numerous industrial applications. However, it’s crucial to carefully consider the specific requirements and operating conditions of each application to determine whether an elastomeric coupling is the best choice or if an alternative coupling type might be more suitable.

editor by CX 2024-04-22

Product Description

 

Product Description

Gearbox Motor Rubber Coupling for Freight and Personnel Elevators Spare Parts

Model	Rated Torque Tn	Allowable Rotation Speed	Bore Diameter d1 , d2 , dz	Bore Length L, L1	Weight
	N.m	r/min	mm	mm	kg
CLSJ50	28	15000	10-24	22-38	1.00
CLSJ70	112	11000	12-38	27-60	2.50
CLSJ85	160	9000	16-38	30-60	3.42
CLSJ105	355	7250	18-42	30-84	5.15
CLSJ125	450	6000	20-55	38-84	10.1
CLSJ145	710	5250	25-65	44-107	13.1
CLSJ170	1250	4500	30-85	60-132	21.2
CLSJ200	2000	3750	35-95	60-142	33.0
CLSJ230	3150	3250	40-95	84-142	45.5
CLSJ260	5000	3000	45-125	84-172	75.2
CLSJ300	7100	2500	60-140	108-172	99.2
CLSJ360	12500	2150	60-150	107-212	148.1
CLSJ400	14000	1900	80-160	132-242	197.5

why choose our product

Cheaper price than CHINAMFG brands, good quality.

FAQ

1. What are your main products?
We produce Construction Hoist (also called construction elevator, construction lift) and spare parts of it.

2. Are all Construction Hoist the same from all Vendors & Manufacturers?
Our High rise building construction hoist with VFD for lifting materials and passengers have exported to Europe, Middle and southern America, most of Asia, and some countries from Africa, about 50 countries. We can well match European standards, Russia standards and America standards. We have technology for develope new design ability and we support many customer with good solutions to solve their construction site special vertical access problems.

3. Do your products have some certificates?
Yes. Our Construction Hoist have passed CE ,ISO  Certificates.

4. What are the payment terms and the delivery time?
Payment terms are T/T and LC. We will ship the cargo within 7-21 days after receiving the 30% deposit.

5. Are you manufacturer or the trader?
We are manufacturer with 17 years maker experiences, have advanced production line and inspection device. Our Research and development team have got many praise from customers.

6. Will you develop distributor and sole agent?
Yes, should you have any interest to be our distributor and agent, please let us know in any ways. Sole agent is available depend on the sales turnover.

7. Where do you ship to and what countries have you done business in?
We provide quick and efficient shipping to countries all over the world from HangZhou port or other China port.
We have done business with customers in many countries, such as Mexico, Brazil, Korea, Malaysia, Thailand, India, Vietnam, Indonesia, UAE, Qatar, Kuwait,Saudi Arabia etc.

 

/* 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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Differences Between Elastomeric Couplings Made from Different Materials

Elastomeric couplings can be manufactured using various materials, each offering unique properties that influence the coupling’s performance in different applications. Here are the key differences between couplings made from rubber, polyurethane, and silicone:

1. Rubber Elastomers:

Rubber elastomers are commonly used in elastomeric couplings due to their excellent resilience, flexibility, and damping properties. They can handle a wide range of temperatures and are resistant to abrasion and wear. Rubber couplings are ideal for general-purpose applications where moderate torque and misalignment compensation are required.

2. Polyurethane Elastomers:

Polyurethane elastomers provide higher strength and load-bearing capabilities compared to rubber. They have better resistance to oils, chemicals, and harsh environments. Polyurethane couplings are suitable for applications involving higher torque, shock loads, and exposure to aggressive substances.

3. Silicone Elastomers:

Silicone elastomers offer superior thermal stability and can withstand extreme temperature variations. They exhibit excellent electrical insulation properties and are resistant to aging and weathering. Silicone couplings are often used in applications that require high-temperature resistance and electrical isolation.

4. Damping and Resilience:

Rubber generally provides better damping properties, making it effective in reducing vibrations and noise. Polyurethane offers higher resilience, which can be advantageous in applications with frequent torque spikes and shock loads. Silicone combines good damping with high-temperature resistance.

5. Environmental Compatibility:

Polyurethane and silicone couplings tend to have better resistance to chemicals, oils, and extreme temperatures, making them suitable for demanding environments. Rubber couplings may have limitations in certain aggressive chemical environments.

6. Cost and Performance Balance:

The choice of material also affects the cost of the coupling. Rubber is generally more cost-effective, while polyurethane and silicone may be more expensive but offer specific performance advantages in certain applications.

When selecting an elastomeric coupling, it is crucial to consider the specific requirements of the application, such as torque, speed, misalignment, temperature range, and chemical exposure. The material choice should align with the demands of the operating conditions to ensure optimal coupling performance and longevity.

Common Industries Where Elastomeric Couplings Find Significant Usage

Elastomeric couplings are versatile components widely used in various industries to facilitate efficient power transmission and protect machinery from torsional vibrations and misalignments. Some of the common industries where elastomeric couplings find significant usage include:

1. Manufacturing and Industrial Machinery:

Elastomeric couplings are commonly employed in manufacturing machinery such as conveyor systems, pumps, compressors, mixers, and machine tools. They help connect the motor and driven equipment, providing smooth power transmission and reducing vibrations.

2. Automotive:

In the automotive industry, elastomeric couplings are used in drivetrain systems, including propeller shafts, steering systems, and powertrain components. They offer excellent damping characteristics to absorb vibrations and shocks during vehicle operation.

3. Aerospace and Defense:

Elastomeric couplings play a crucial role in aerospace and defense applications, where lightweight and reliable power transmission is essential. They are used in aircraft engines, rotor systems, missile guidance systems, and various other aerospace components.

4. Energy and Power Generation:

Elastomeric couplings are used in power generation plants, including thermal, hydroelectric, and wind power plants. They connect generators to turbines and help absorb torsional vibrations, ensuring stable and efficient power transmission.

5. Oil and Gas:

In the oil and gas industry, elastomeric couplings are used in various equipment, such as pumps, compressors, and drilling rigs. They provide reliable power transmission and help protect the equipment from dynamic loads and vibrations.

6. Mining and Construction:

Elastomeric couplings are commonly found in mining and construction machinery, such as crushers, excavators, and conveyor systems. They enable efficient power transfer and help withstand heavy loads and harsh operating conditions.

7. Marine:

In marine applications, elastomeric couplings are used in propulsion systems and marine pumps. They offer excellent resistance to seawater and provide reliable power transmission in marine vessels.

8. Renewable Energy:

In the renewable energy sector, elastomeric couplings are used in wind turbines and solar tracking systems. They help adjust the alignment between the components and absorb wind and solar-induced dynamic loads.

Elastomeric couplings’ ability to dampen vibrations, compensate for misalignments, and provide flexibility makes them suitable for a wide range of industrial applications. Their widespread usage across diverse industries highlights their importance in enhancing equipment reliability, reducing maintenance costs, and improving overall operational efficiency.

What is Elastomeric Coupling and How Does It Work in Mechanical Systems?

An elastomeric coupling is a type of flexible shaft coupling that uses an elastomeric material, typically rubber or polyurethane, to connect two shafts and transmit torque between them. The primary purpose of elastomeric couplings is to compensate for misalignments between the shafts while dampening vibrations and shocks in mechanical systems.

Construction and Working Principle:

Most elastomeric couplings consist of two hubs with a flexible element in between. The flexible element is made of high-quality elastomeric material, which is molded or bonded to the hubs. The elastomeric material is designed to be both torsionally flexible and durable.

When torque is applied to one shaft, the flexible element deforms and absorbs the misalignment between the shafts, allowing the coupling to compensate for angular, parallel, and axial misalignments. This flexibility is crucial for preventing undue stress on the connected equipment and increasing the coupling’s lifespan.

Key Features and Advantages:

1. Misalignment Compensation: Elastomeric couplings can handle small degrees of misalignment, making them suitable for applications where precise alignment is challenging or subject to change over time.

2. Vibration Dampening: The elastomeric material absorbs vibrations and shocks, resulting in reduced noise and improved smoothness of operation.

3. Fail-Safe Design: Elastomeric couplings have a fail-safe design, where if the elastomeric element were to fail, the coupling could still transmit torque without completely breaking down.

4. Simple and Economical: Elastomeric couplings are relatively simple in design, easy to install, and cost-effective compared to some other coupling types.

5. Maintenance-Free: In general, elastomeric couplings require minimal maintenance, making them a popular choice in various industries.

Applications:

Elastomeric couplings find applications in a wide range of industries and mechanical systems, including:

• Pumps and compressors
• Conveyor systems
• Machine tools
• Material handling equipment
• Blowers and fans
• General power transmission systems

Overall, elastomeric couplings are valued for their flexibility, shock absorption, and misalignment compensation capabilities, making them a reliable choice for transmitting torque while protecting connected equipment from harmful effects of misalignments and vibrations.

editor by CX 2024-04-02