Diaphragm Coupling Shaft Coupling (JMI)
JM Series Diaphragm Coupling of flexible metal flexible coupling, which rely on the metal diaphragm to transmit torque from the main connection, motivation, has the advantages of elastic damping and no lubrication, no noise, is an ideal product for replacing the gear coupling and coupling current. It can compensate the axial, radial and angular deviation caused by the manufacturing error, installation error, bearing deformation and the change of temperature rise.
The main characteristics of JM Series Diaphragm Coupling:
1.Compensation 2 axis misalignment of the ability, and tooth type coupling can be much more than a double angle displacement, radial displacement of the small, flexible, allowing a certain axial, radial and angular displacement.
2. Obvious damping effect, no noise, no wear and tear.
3.High transmission efficiency, up to 99.86%. Especially suitable for medium and high speed high power transmission.
4.Adapt to high temperature (-80+300) and harsh environment, and can be in shock, vibration, safety and dynamic conditions.
5.Simple structure, light weight, small size, convenient assembly and disassembly. Without moving the machine can be disassembled (with intermediate type), no need of lubrication.
6.Accurately convey the rotational speed, the operation has not turned bad, can be used for the transmission of precision machinery.
JM series diaphragm flexible coupling is widely used in machinery and equipment industry, metallurgy, mines, petroleum, chemical, electric power, shipbuilding, lifting transport, textile, light industry, agricultural machinery, printing machinery and water pump, fan, etc. in the transmission of power machine.
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.
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.
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 artwork.
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?
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China
Noise and Vibration Issues with Fluid Couplings
Fluid couplings are generally designed to operate smoothly and quietly, but certain factors may lead to noise or vibration issues in some cases:
- Imbalanced Components: If the components of the fluid coupling, such as the impeller and runner, are not balanced properly, it can result in vibrations during operation. Regular maintenance and balancing can help mitigate this issue.
- High Operating Speeds: At high speeds, fluid couplings can generate more noise and vibration due to increased fluid turbulence. Using damping techniques or selecting appropriate coupling types can help reduce these effects.
- Fluid Level: Incorrect fluid levels in the coupling can lead to inadequate lubrication and cause noise during operation. Regularly checking and maintaining the fluid level can prevent such problems.
- Misalignment: Misalignment between the driving and driven shafts can result in increased noise and vibration. Proper alignment during installation is essential to avoid this issue.
- Fluid Characteristics: The choice of fluid can also impact noise and vibration levels. Using fluids with appropriate viscosity and lubricating properties can help achieve smoother and quieter operation.
- Aging or Contaminated Fluids: Over time, the fluid in the coupling may degrade or become contaminated, leading to increased friction and noise. Regular fluid replacement and maintenance can prevent this problem.
Addressing noise and vibration issues with fluid couplings involves proper installation, regular maintenance, and using high-quality components and fluids. Consulting with manufacturers or experts can help identify and resolve any specific noise or vibration concerns in the power transmission system.
Fluid Coupling: Dealing with Oil Leakage and Sealing Issues
Fluid couplings are designed to be sealed units to prevent the leakage of the internal fluid (usually oil or a similar hydraulic fluid). Proper sealing is crucial for the efficient and reliable operation of the fluid coupling, as any oil leakage can lead to reduced performance, contamination, and potential damage to the surrounding components.
Here are some key factors related to oil leakage and sealing issues in fluid couplings:
- Seal Design: The sealing system in a fluid coupling typically involves shaft seals and gaskets. High-quality seals are essential to prevent oil from escaping and contaminants from entering the coupling. The design and material selection of these seals play a significant role in maintaining effective sealing.
- Installation: Proper installation of the fluid coupling is critical to ensure that the seals are correctly positioned and securely fitted. Any misalignment or damage during installation can lead to oil leakage issues.
- Maintenance: Regular maintenance is essential to detect and address any potential sealing problems early on. Inspections should be conducted periodically to check for signs of oil leakage, wear on the seals, and any damage to the coupling housing.
- Fluid Selection: The choice of fluid used inside the coupling can also influence its sealing performance. Using the recommended fluid type and quality specified by the manufacturer is essential for maintaining proper sealing.
- Operating Conditions: The operating environment can impact the sealing effectiveness. Extreme temperature variations or harsh working conditions may affect the integrity of the seals over time.
If oil leakage or sealing issues are observed in a fluid coupling, immediate action should be taken to address the problem. This may involve replacing worn-out seals, resealing the coupling, or investigating potential causes such as misalignment or excessive heat generation.
Additionally, regular inspection and maintenance of the fluid coupling can help prevent sealing problems before they escalate. Early detection and appropriate maintenance can extend the lifespan of the fluid coupling and ensure reliable power transmission in various industrial applications.
Consulting with the manufacturer or a qualified engineer for guidance on proper maintenance and troubleshooting of fluid coupling sealing issues is recommended.
Fluid Couplings and Variable Speed Control
Fluid couplings are well-suited for certain applications that require variable speed control. While fluid couplings are primarily designed for smooth power transmission and torque multiplication, they can be used in combination with other devices to achieve variable speed control.
The primary method of achieving variable speed control with a fluid coupling is by using a hydraulic coupling or a hydraulic torque converter. A hydraulic coupling is essentially a fluid coupling with an additional chamber that allows for controlled fluid flow. By adjusting the fluid flow rate, the output speed can be varied, thus providing variable speed control.
Hydraulic torque converters are similar to fluid couplings but have an additional component called a stator. The stator redirects the fluid flow in a way that enhances torque multiplication at low speeds and improves efficiency at high speeds. By altering the stator’s position, the output speed can be varied, enabling variable speed control.
Variable speed control with fluid couplings is often used in applications such as industrial machinery, mining equipment, and certain types of vehicles. It allows for smooth and efficient speed adjustments without the need for mechanical gear changes, providing flexibility in various operating conditions.
However, it’s important to note that while fluid couplings can offer some degree of variable speed control, they are not as versatile as other speed control mechanisms like variable frequency drives (VFDs) or electronic controllers. Therefore, the selection of the appropriate speed control method depends on the specific requirements and characteristics of the application.
editor by CX 2023-10-16