China factory CZPT Jmii Flexible Metal Machnical Disc Basic Form Diaphragm Coupling No Counterbore

Product Description

JMII Type Basic Diaphragm Coupling without Counterbore (JB/T9147-1999)

♦Description
JM Series Diaphragm Coupling of flexible metal flexible coupling, which relies 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 for the axial, radial, and angular deviation caused by the manufacturing error, installation error, bearing deformation, and the change in temperature rise.

The main characteristics of JM Series Diaphragm Coupling:
1. Compensation two-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 environments, and can be in shock, vibration, safety, and dynamic conditions.
5. Simple structure, lightweight, small size, convenient assembly, and disassembly. Without moving the machine can be disassembled (with intermediate type), with no need for 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 the 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.

♦Detailed Pictures

♦Basic Parameter and Main Dimension

Note: N.m= Norminal Torque; r.min= Max speed of rotation; d.d1= Diameter of shaft hole;
Y L= Length of shaft hole; N.m/rad= Stiffness of torsion; kg.m²= Rotational inertia

♦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 CZPT 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 the new model when there is new cars in the market.

5. Quality Control
Every step should be a special 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 the customers with customized artworks in 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 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 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?
A: T/T.  

Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

diaphragm coupling

Safety Considerations When Using Diaphragm Couplings in Critical Applications

When using diaphragm couplings in critical applications, certain safety considerations are essential to ensure reliable and safe operation. Here are some important safety considerations:

  1. Proper Installation:
  2. Ensure that the diaphragm coupling is installed correctly, following the manufacturer’s guidelines and recommended torque values for fasteners. Improper installation can lead to misalignment, excessive vibrations, and premature wear of the coupling components.

  3. Regular Inspections:
  4. Perform regular inspections of the diaphragm coupling to check for signs of wear, fatigue, or damage. Regular maintenance helps identify potential issues early, allowing for timely replacement and preventing unexpected failures.

  5. Monitoring Temperature and Torque:
  6. In critical applications, it’s crucial to monitor the temperature and torque levels of the diaphragm coupling during operation. Excessive heat or torque can lead to coupling failure, so having monitoring systems in place helps detect abnormal conditions and take necessary actions promptly.

  7. Environment Compatibility:
  8. Consider the operating environment of the diaphragm coupling. In corrosive environments, use materials that are resistant to chemical attacks, and in high-temperature settings, choose materials that can withstand elevated temperatures without compromising performance.

  9. Redundancy and Backup Systems:
  10. In critical applications, consider implementing redundancy or backup systems to ensure continued operation in the event of a failure. Having redundant couplings or alternative power transmission methods can enhance the overall reliability of the system.

  11. Compliance with Industry Standards:
  12. Adhere to relevant industry standards and guidelines when selecting and using diaphragm couplings in critical applications. These standards ensure that the coupling meets specific safety and performance requirements.

  13. Operator Training:
  14. Ensure that operators and maintenance personnel receive proper training on the installation, operation, and maintenance of the diaphragm coupling. Well-trained personnel can identify potential issues and take appropriate actions to maintain safe operation.

  15. Emergency Shutdown Procedures:
  16. Establish clear emergency shutdown procedures to stop the machinery quickly in case of any abnormality or unsafe condition related to the diaphragm coupling. Emergency shutdown procedures are crucial for protecting personnel and equipment from harm.

By considering these safety considerations and implementing appropriate measures, diaphragm couplings can be used with confidence in critical applications, ensuring safe and reliable operation in various industries and systems.

diaphragm coupling

Design Considerations for Selecting a Diaphragm Coupling for a Specific Application

When choosing a diaphragm coupling for a particular application, several crucial design considerations should be taken into account. Each application has unique requirements, and selecting the right diaphragm coupling can significantly impact the overall performance and reliability of the system. Here are the key design considerations:

  • 1. Torque Capacity:
  • Determine the maximum torque that the diaphragm coupling will need to transmit in the application. Select a diaphragm coupling with a torque capacity that comfortably exceeds the application’s peak torque requirements. Consider potential torque variations during operation and choose a coupling that can handle the dynamic torque conditions, especially in machines with frequent start-stop cycles or load fluctuations.

  • 2. Misalignment Tolerance:
  • Assess the potential misalignment between the connected shafts in the application. Diaphragm couplings are known for their ability to compensate for various types of misalignment, such as axial, angular, and parallel misalignment. Determine the expected misalignment angles and choose a diaphragm coupling with the appropriate misalignment capabilities to ensure smooth operation and minimize stress on the coupling and connected machinery.

  • 3. Speed and RPM:
  • Consider the rotational speed and RPM (revolutions per minute) requirements of the application. Diaphragm couplings are suitable for high-speed applications due to their balanced design and ability to dampen vibrations. Ensure that the selected coupling can handle the required RPM without encountering critical speed issues or exceeding its rated limitations.

  • 4. Operating Environment:
  • Evaluate the environmental conditions in which the diaphragm coupling will operate. Consider factors such as temperature, humidity, presence of corrosive substances, and exposure to contaminants. Choose a diaphragm coupling made from materials suitable for the specific operating environment to prevent corrosion and premature wear.

  • 5. Space Constraints:
  • Diaphragm couplings have a compact design, making them suitable for applications with limited space. Consider the available installation space and choose a coupling that fits within the available dimensions while providing the required torque capacity and misalignment compensation.

  • 6. Maintenance Requirements:
  • Assess the maintenance requirements of the diaphragm coupling. Some couplings may require periodic lubrication, while others are maintenance-free. Choose a coupling with maintenance requirements that align with the resources and capabilities of the maintenance team.

  • 7. Application-specific Factors:
  • Consider any unique factors relevant to the application, such as the presence of shock loads, dynamic balancing requirements, or the need for precision in high-accuracy systems. These specific factors can influence the selection of the most suitable diaphragm coupling for the application.

By carefully considering these design factors, engineers and designers can select the most appropriate diaphragm coupling for a specific application. The right coupling choice will enhance the overall performance, reliability, and service life of the machinery or equipment in which it is employed.

diaphragm coupling

Can Diaphragm Couplings Accommodate Different Shaft Sizes and Handle High Torque Loads?

Yes, diaphragm couplings are designed to accommodate different shaft sizes and handle high torque loads efficiently. Here’s how they achieve these functionalities:

Accommodating Different Shaft Sizes:

Diaphragm couplings are available in various sizes and configurations, allowing them to accommodate different shaft diameters. The hubs of the coupling can be manufactured with different bore sizes to match the specific diameter of the connected shafts. This versatility makes diaphragm couplings suitable for a wide range of applications, where the shafts may have different sizes.

Handling High Torque Loads:

Despite their flexible design, diaphragm couplings are capable of handling high torque loads. The flexible diaphragm, typically made of high-strength metal, can transmit torque effectively between the shafts without significant power loss. The corrugations or convolutions in the diaphragm contribute to its torsional rigidity, ensuring efficient torque transmission even at high levels of power.

Moreover, the metal diaphragm’s ability to flex and absorb misalignment also helps in distributing the torque evenly, minimizing stress concentrations on the coupling and connected machinery. This feature allows diaphragm couplings to maintain their performance and reliability under demanding conditions with high torque requirements.

In summary, diaphragm couplings can accommodate different shaft sizes by offering a range of hub sizes and configurations. Additionally, they are capable of handling high torque loads efficiently due to the torsional rigidity of the flexible metal diaphragm and its ability to absorb misalignment, ensuring smooth and reliable torque transmission in various mechanical systems.

China factory CZPT Jmii Flexible Metal Machnical Disc Basic Form Diaphragm Coupling No Counterbore  China factory CZPT Jmii Flexible Metal Machnical Disc Basic Form Diaphragm Coupling No Counterbore
editor by CX 2023-08-18