LZJ Type Middle Elastic Coupling(GB/T 5015-2003)
♦Basic Parameter and Main Dimension
Allowable Compensation for Elastic Pin & Bush Gear Couplings
N.m= Nominal Torque; r/min= Allowable speed of rotation; d1.d2= Diameter of shaft hole;
Y L= Length of shaft hole; kg.m²= Rotational inertia; kg= Mass
△Y= Radial; △X= Axial; △α= Angular
1. The measuring part of radial compensation is half of the maximum outer circle width of the half coupling.
2. The compensation quantity listed in the table refers to the relative offset of 2 axles caused by installation error, shock, vibration, deformation, temperature change and other factors. The installation error must be less than the value listed in the table.
♦Other Products List
|High Flexible Coupling
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 design team has experience in cardan shaft 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.
Raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→ Packing→ Shipping
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 the new model when there is new cars in the market.
Every step should be special test by Professional Staff according to the standard of ISO9001 and TS16949.
Q 1: Are you trading company or 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 the customers with customized artworks of 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 then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstance.
Q 6: What is the MOQ?
A: Usually our MOQ is 1 pcs.
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?
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
|Standard Or Nonstandard:
|as Your Requirement
|as Your Requirement
|as Your Requirement
|as Your Requirement
How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?
Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:
1. Gear Couplings:
- Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
- Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
- Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
- Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
- Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.
2. Flexible (Elastomeric) Couplings:
- Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
- Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
- Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
- Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
- Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.
3. Rigid Couplings:
- Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
- Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
- Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.
Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.
When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.
What Industries Commonly Use Pin Couplings for Power Transmission?
Pin couplings are widely used in various industries for power transmission due to their ability to accommodate misalignment and provide reliable torque transmission. Some of the industries where pin couplings are commonly employed include:
- 1. Manufacturing: In manufacturing processes, pin couplings are used in conveyor systems, mixers, agitators, and other machinery to transfer power between motors and driven equipment.
- 2. Pulp and Paper: The pulp and paper industry uses pin couplings in machinery such as pumps, fans, and rotary kilns for continuous power transmission.
- 3. Chemical and Petrochemical: Pin couplings find applications in chemical processing plants, refineries, and petrochemical facilities for various rotating equipment.
- 4. Water and Wastewater: Pin couplings are used in water treatment facilities, pumps, and blowers to transfer power efficiently.
- 5. Steel and Metal Processing: Steel mills and metal processing plants utilize pin couplings in rolling mills, extruders, and other equipment.
- 6. Food and Beverage: Pin couplings are employed in food processing machinery, packaging equipment, and conveyor systems.
- 7. Mining and Quarrying: The mining industry uses pin couplings in crushers, conveyor belts, and various mineral processing equipment.
- 8. Oil and Gas: Pin couplings are used in the oil and gas sector for pumps, compressors, and drilling equipment.
- 9. Power Generation: In power plants, pin couplings are used in turbines, generators, and other power transmission systems.
- 10. Construction and Heavy Equipment: Pin couplings find applications in construction machinery, earthmoving equipment, and other heavy-duty machinery.
- 11. Agriculture: In agricultural machinery, pin couplings are used in tractors, irrigation systems, and grain processing equipment.
These are just some examples of the industries where pin couplings are commonly used. Pin couplings offer versatility, ease of installation, and reliability, making them suitable for a wide range of applications in different sectors where power transmission is essential.
Selecting the Appropriate Pin Coupling for a Specific Application
Choosing the right pin coupling for a specific application involves considering several factors to ensure optimal performance, reliability, and safety. Here are the key steps to select the appropriate pin coupling:
- 1. Determine the Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, shaft sizes, and misalignment tolerances. Consider the operating conditions, such as temperature, humidity, and exposure to corrosive substances.
- 2. Calculate Torque and Power: Calculate the torque and power requirements of the application to determine the appropriate pin coupling’s torque capacity. Make sure to consider both steady-state and peak torque loads.
- 3. Consider Misalignment Tolerance: Evaluate the degree of misalignment expected in the system. Different pin coupling designs offer varying levels of misalignment tolerance. Choose a coupling that can accommodate the expected misalignment without compromising performance.
- 4. Select the Pin Coupling Type: Based on the application requirements, choose the appropriate pin coupling type – single pin, double pin, triangular pin, splined pin, or taper pin coupling. Each type offers different torque capacities and misalignment capabilities.
- 5. Check Material and Construction: Consider the materials used in the pin coupling’s construction. Common materials include steel, stainless steel, and alloy materials. The material should be suitable for the application’s environmental conditions and corrosion resistance.
- 6. Verify Safety Features: Ensure the selected pin coupling has safety features, such as a fail-safe mechanism to protect equipment from overload or shock loads. Safety is crucial to prevent damage to machinery and ensure operator protection.
- 7. Consult with Manufacturers or Engineers: If unsure about the best pin coupling for the application, consult with coupling manufacturers or mechanical engineers. They can provide valuable insights and recommendations based on their expertise.
By following these steps, you can select the appropriate pin coupling that matches the specific needs of the application, providing reliable and efficient power transmission while minimizing the risk of downtime and equipment failure.
editor by CX 2023-09-30