Product Description
WJ Type Spherical Roller Coupling (JB/T7009-2007)
Product Description
♦Description
♦Basic Parameter and Main Dimension
Note:
kN.m= Nominal torque; kN= Allowable radial force; d= Internal spline;
m= Wear and tear scale; kg.m²= Rotational inertia; kg= Mass
1. The rotational inertia and weight are approximate values calculated according to the diameter of smaller shaft hole.
2. The allowable compensation amount: WJ1~WJ2 ±3mm, WJ3~WJ9 ± 4mm, WJ10~WJ13 ± 6mm, WJ14~WJ17 ± 8mm
Other products
♦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 |
Company Profile
♦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 26 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 Service
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 Service
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
♦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 1 pc.
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: T/T.
♦Contact Us
Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
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How to identify the most suitable mechanical coupling for a specific application?
Choosing the right mechanical coupling for a specific application requires careful consideration of various factors. Here are the steps to help identify the most suitable coupling:
1. Understand Application Requirements:
Begin by thoroughly understanding the requirements of the application. Consider factors such as torque and speed requirements, misalignment allowances, space constraints, environmental conditions, and any specific industry standards.
2. Evaluate Shaft Misalignment:
Determine the type and amount of misalignment expected between the connected shafts. If significant misalignment is anticipated, flexible couplings may be more appropriate.
3. Consider Torque and Power Transmission:
Calculate the torque and power that the coupling will need to transmit between the shafts. Ensure that the selected coupling can handle the expected load without exceeding its rated capacity.
4. Assess Operating Speed:
Take into account the operating speed of the system. High-speed applications may require couplings designed for high rotational speeds to avoid issues like resonance.
5. Evaluate Environmental Factors:
Consider the environmental conditions in which the coupling will operate. For example, corrosive or harsh environments may require couplings made from specific materials like stainless steel.
6. Review Space Limitations:
Examine the available space for installing the coupling. In some cases, compact couplings may be necessary to fit within confined spaces.
7. Analyze Misalignment Compensation:
For applications where precise alignment is challenging, choose couplings that offer misalignment compensation, such as flexible couplings or universal couplings (Hooke’s joints).
8. Consider Vibration Damping:
If the application involves vibrations or shock loads, consider couplings with vibration damping properties, like certain types of flexible couplings.
9. Account for Maintenance Requirements:
Factor in the maintenance needs of the coupling. Some couplings may require periodic inspections and replacement of components, while others are relatively maintenance-free.
10. Seek Expert Advice:
If unsure about the most suitable coupling for the application, consult with coupling manufacturers or engineering experts who can provide guidance based on their expertise and experience.
By systematically evaluating these factors and requirements, engineers and designers can narrow down the options and select the most appropriate mechanical coupling that will ensure reliable and efficient operation in the specific application.
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Explaining the impact of mechanical coupling wear on system efficiency.
Mechanical coupling wear can have a significant impact on the efficiency and performance of a mechanical system. As couplings wear over time, several factors come into play that affect the overall efficiency of the system:
1. Loss of Torque Transmission:
As couplings wear, they may develop gaps or play between the mating components. This can result in a loss of torque transmission between the connected shafts. Reduced torque transmission leads to diminished power transfer and can result in inadequate performance of the system, especially in high-torque applications.
2. Misalignment Issues:
Worn couplings may not effectively compensate for misalignments between the connected shafts. Misalignment can cause additional stress on bearings, gears, and other components, leading to increased wear and reduced system efficiency. It can also result in increased vibration and noise, further impacting the system’s performance.
3. Vibration and Resonance:
Wear in flexible couplings can lead to increased vibration and resonance within the system. Excessive vibrations can cause premature failure of components and reduce the overall system efficiency. Vibrations can also create a safety hazard for operators and equipment.
4. Energy Losses:
Worn couplings may introduce energy losses due to friction and slippage. These losses decrease the overall efficiency of the system and result in additional energy consumption to achieve the desired output.
5. Increased Maintenance Costs:
As couplings wear, they may require more frequent maintenance and replacement. The increased downtime for maintenance and the cost of replacing worn couplings can impact the system’s productivity and increase operational expenses.
6. Reduced System Reliability:
Worn couplings are more prone to sudden failures, leading to unplanned downtime. Unreliable systems can disrupt production schedules, affect product quality, and result in lost revenue.
7. Safety Concerns:
Worn couplings can compromise the safety of personnel and equipment. They may lead to unexpected failures, flying debris, or even catastrophic accidents in severe cases.
8. Impact on Product Quality:
In certain industries, like precision manufacturing or aerospace, system efficiency directly affects product quality. Worn couplings can cause inaccuracies, leading to subpar products and potential rework or rejection.
To maintain optimal system efficiency and prevent these issues, it is crucial to perform regular inspections and maintenance of mechanical couplings. Timely replacement of worn couplings and adherence to manufacturer’s guidelines for installation and maintenance can significantly contribute to the overall efficiency, reliability, and safety of the mechanical system.
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What is a spline coupling?
A spline coupling is a type of mechanical coupling used to connect two shafts, allowing torque transmission between them while allowing a small amount of relative movement or misalignment. The term “spline” refers to the ridges or teeth on the coupling’s inner or outer surface, which engage with corresponding ridges or grooves on the shafts.
Spline couplings are commonly used in applications where precise torque transmission, rotational alignment, and axial movement are required. They offer several advantages:
1. Torque Transmission:
By using the interlocking ridges or teeth, spline couplings provide a secure connection between the shafts, ensuring efficient torque transfer from one shaft to the other.
2. Misalignment Compensation:
Spline couplings can accommodate a small amount of angular and parallel misalignment between the connected shafts, allowing flexibility in the mechanical system and reducing stress on bearings and other components.
3. Axial Movement:
Some spline couplings, such as spline shafts, allow limited axial movement, making them suitable for applications where shafts may experience thermal expansion or contraction.
4. High Precision:
Spline couplings provide high precision and repeatability in motion control applications. They are commonly used in robotics, machine tools, and automotive transmissions.
5. Different Types:
There are various types of spline couplings, including involute splines, straight-sided splines, and serrated splines, each with different designs and applications.
It is important to note that spline couplings require precise machining and assembly to ensure proper engagement and torque transmission. They are typically used in applications where high torque, precision, and flexibility are necessary for the system’s performance.
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editor by CX 2024-04-09