China Professional CZPT JMI Flexible Diaphragm Disc Coupling Couplings Simple Structure Transmission Torque

Product Description

JMI Type Diaphragm Coupling(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.

Basic Parameter and Main Dimension

NO  
  Tn 
  /N·m
Tmax 
/N·m
 
 
[n] 
/r·mi -1
    d 
(H7)
  D  

N·m/rad
t  
 

kg·m 2 
 

/kg 
Y J,J1, 
Z
L
L L L1
JMI1 25 80 6000 14 32 J1  27 Z1 20 35 90 1×10 4 8.8 0.0007 1
16,18,19 42 30
20,22 52 38
JMI2 63 180 5000 18,19 42 30 45 100 1.4×10 4 9.5 0.001 1.3
20,22,24 52 38
25 62 44
JMI3 100 315 5000 20,22,24 52 38 50 120 1.87×10 4 11 0.0571 2.3
25,28 62 44
30 82 60
JMI4 160 500 4500 24 52 38 55 130 3.12×10 4 12.5 0.0037 3.3
25,28 62 44
30,32,35 82 60
JMI5 250 710 4000 28 62 44 60 150 4.32×10 4 14 0.0083 5.3
30,32,35,38 82 60
40 112 84
JMI6 400 1120 3600 32,35,38 82 82 60 65 170 6.88×10 4 15.5 0.0159 8.7
40,42,45 
,48,50
112 84
JMI7 630 1800 3000 40,42 112 112 84 70 210 10.35×10 4 19 0.571 14.3
45,45,50 
,55,56
60 142 107
JMI8 1000 2500 2800 45,48 112 112 84 80 240 16.11×10 4 22.5 0. 0571 22
50,55,56
60,63,65,70 142 107
JMI9 1600 4000 2500 55,56 112 112 84 85 260 26.17×10 4 24 0.1415 29
60,63,65 
,70,71,75
142 107
80 172 132
JMI10 2500 6300 2000 63,65,70 
,71,75
142 142 107 90 280 7.88×10 4 17 0.2974 52
80,85,90,95 172 132
JMI11 4000 9000 1800 75 142 142 107 95 300 10.49×10 4 19.5 0.4782 69
80,85,90,95 172 132
100,110 212 167
JMI12 6300 12500 1600 90,95 172 132 120 340 14.07×10 4 23 0.8067 94
100,110 
,120 ,125
212 167
JMI13 10000 18000 1400 100,110 
,120,125
212 167 135 380 19.23×10 4 28 1.7053 128
130,140 252 202
JMI14 16000 28000 1200 120,125 212 167 150 420 30.01×10 4 31 2.6832 184
130,140,150 252 202
160 302 242
JMI15 25000 40000 1120 140,150 252 202 180 480 47.46×10 4 37.5 4.8015 263
160,170,180 302 242
JMI16 40000 56000 1000 160,170,180 302 242 200 560 68.09×10 4 41 9.4118 384
190,200 352 282
JMI17 63000 80000 900 190,200,220 352 282 220 630 101.3×10 4 47 18.3753 561
240 410 330
JMI18 100000 125000 800 220 352 282 250 710 161.4×10 4 54.5 28.2033 723
240,250,260 410 330
JMI19 160000 200000 700 250,260 410 330 280 800 79.3×10 4 48 66.5813 1267
280,300,320 470 380

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 technology-based company specializing in the design and manufacture of basic transmission parts and various auxiliary non-standard equipment accessories. The products are mainly used in metallurgy, electric power, mining, chemical industry, petroleum, papermaking, shipbuilding, heavy industry, etc.

In many industries, it has provided strong technical and equipment support for many companies around the world. At present, the products are also exported to Russia, Italy, Spain, Brazil, Ukraine, Turkey, Australia, Singapore, Vietnam, Indonesia, Malaysia, Sri Lanka, and other countries and regions.

Welcome to customize products from our factory and please provide your design drawings or contact us if you need other requirements.

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

diaphragm coupling

Materials Used to Manufacture Diaphragm Couplings and Their Impact on Performance

Diaphragm couplings are manufactured using various materials, and the choice of material significantly impacts their performance in different applications. Here are some common materials used in diaphragm couplings and their impact on performance:

  1. Metallic Alloys:
  2. Stainless steel and other high-strength metallic alloys are widely used in diaphragm couplings. These materials offer excellent durability, high torsional stiffness, and resistance to wear and fatigue. They are well-suited for high-torque applications and environments with demanding operating conditions.

  3. High-Temperature Alloys:
  4. In applications where diaphragm couplings are exposed to elevated temperatures, specialized high-temperature alloys like Inconel and Hastelloy are used. These alloys can withstand extreme heat without losing their mechanical properties, making them ideal for use in industries such as steel processing and power generation.

  5. Titanium:
  6. Titanium is favored for its lightweight and excellent corrosion resistance. Diaphragm couplings made from titanium are commonly used in aerospace and marine applications where weight reduction and resistance to corrosive environments are critical.

  7. Elastomers:
  8. For certain applications that require vibration dampening and shock absorption, diaphragm couplings can be manufactured with elastomeric materials like rubber or urethane. These materials help reduce transmitted vibrations and can be found in pumps, compressors, and automotive drivetrain systems.

  9. Non-Metallic Materials:
  10. In situations where electrical isolation or non-magnetic properties are necessary, non-metallic materials like PTFE (Teflon) or polypropylene may be used. These materials are also highly resistant to chemical corrosion, making them suitable for certain chemical processing and semiconductor applications.

The choice of material impacts several aspects of diaphragm coupling performance, including:

  • Torsional Stiffness: Metallic alloys and high-temperature materials provide high torsional stiffness, ensuring efficient torque transmission and accuracy in motion control applications.
  • Corrosion Resistance: The selection of corrosion-resistant materials is crucial in applications where diaphragm couplings are exposed to corrosive environments, such as in marine or chemical industries.
  • Temperature Resistance: High-temperature alloys enable diaphragm couplings to operate effectively in environments with elevated temperatures, such as steel processing or power generation plants.
  • Weight: Materials like titanium offer lightweight advantages, making diaphragm couplings suitable for aerospace and other weight-sensitive applications.
  • Vibration Damping: Elastomeric materials provide excellent vibration dampening properties, reducing vibrations and noise in certain applications.

Manufacturers carefully select the appropriate material based on the specific requirements of the application to ensure optimal performance and reliability of the diaphragm coupling in a wide range of industries.

diaphragm coupling

Maintenance Requirements for Diaphragm Couplings to Extend Their Lifespan

Proper maintenance is essential to extend the lifespan and ensure optimal performance of diaphragm couplings. Regular inspection and servicing can help identify potential issues early, prevent unexpected failures, and maximize the longevity of the coupling. Here are the key maintenance requirements for diaphragm couplings:

  1. Regular Inspections:
  2. Perform routine visual inspections of the diaphragm coupling to check for signs of wear, damage, or misalignment. Look for cracks, corrosion, or any visible deformation in the diaphragm and other coupling components. Regular inspections help catch potential problems early on.

  3. Lubrication:
  4. Some diaphragm couplings may require periodic lubrication, depending on the design and materials used. Follow the manufacturer’s recommendations for lubrication intervals and use the appropriate lubricant to ensure smooth operation and reduce friction between moving parts.

  5. Torque and Temperature Monitoring:
  6. In critical applications or where high torque is involved, consider implementing torque monitoring systems to track the torque levels during operation. Similarly, monitor the operating temperature of the coupling to ensure it stays within the acceptable range. Monitoring these parameters can help detect abnormal conditions that may lead to premature wear or failure.

  7. Alignment Checks:
  8. Periodically check the alignment of the connected shafts to ensure they remain within the specified tolerances. Misalignment can cause additional stress on the diaphragm coupling and lead to accelerated wear. If misalignment is detected, it should be corrected promptly.

  9. Environmental Considerations:
  10. Consider the operating environment of the diaphragm coupling. In harsh or corrosive environments, take appropriate measures to protect the coupling from exposure to damaging elements. This may include using corrosion-resistant materials or applying protective coatings.

  11. Replace Worn or Damaged Parts:
  12. If during inspections, any parts of the diaphragm coupling are found to be worn, damaged, or beyond their recommended service life, they should be replaced promptly with genuine spare parts from the manufacturer. Using non-standard or substandard parts can compromise the performance and safety of the coupling.

  13. Follow Manufacturer’s Guidelines:
  14. Adhere to the maintenance recommendations provided by the diaphragm coupling manufacturer. They often include specific guidelines on inspection intervals, torque values, and other maintenance procedures tailored to the particular coupling model.

  15. Operator Training:
  16. Ensure that operators and maintenance personnel receive proper training on the inspection and maintenance procedures of the diaphragm coupling. Trained personnel can identify potential issues and perform maintenance tasks correctly, contributing to the longevity of the coupling.

By following these maintenance requirements and performing regular upkeep, diaphragm couplings can have an extended lifespan, providing reliable and efficient power transmission for various mechanical systems.

diaphragm coupling

Are There Any Industry Standards or Certifications for Diaphragm Couplings?

Yes, there are industry standards and certifications that apply to diaphragm couplings, ensuring their quality, performance, and safety. Some of the notable standards and certifications include:

  1. American Petroleum Institute (API) Standards: API provides standards for various equipment and components used in the oil and gas industry. For diaphragm couplings used in oil and gas applications, compliance with API standards ensures that the couplings meet specific requirements and are suitable for use in demanding environments.
  2. American Gear Manufacturers Association (AGMA) Standards: AGMA sets standards for various types of couplings, including diaphragm couplings. These standards cover design considerations, materials, performance, and safety factors, ensuring that couplings adhere to industry best practices.
  3. International Organization for Standardization (ISO) Standards: ISO has several standards relevant to couplings in general, which can also apply to diaphragm couplings. ISO standards ensure global consistency in terms of design, manufacturing, and performance criteria.
  4. European Conformity (CE) Marking: Diaphragm couplings intended for sale within the European Economic Area (EEA) must bear the CE marking, indicating that they comply with relevant European Union (EU) directives, including safety and environmental requirements.
  5. American National Standards Institute (ANSI) Standards: ANSI sets standards for various industrial equipment, including couplings. ANSI standards provide guidelines for design, materials, and performance, ensuring safe and reliable operation.
  6. Occupational Safety and Health Administration (OSHA) Compliance: Although not a specific certification for diaphragm couplings, compliance with OSHA regulations is essential to ensure the safety of workers who operate and maintain equipment with diaphragm couplings.

Manufacturers of diaphragm couplings often seek these certifications and comply with relevant industry standards to demonstrate the quality and reliability of their products. Customers and end-users can look for these certifications and standards compliance when selecting diaphragm couplings for their applications, as it provides assurance of the coupling’s performance and adherence to safety requirements.

China Professional CZPT JMI Flexible Diaphragm Disc Coupling Couplings Simple Structure Transmission Torque  China Professional CZPT JMI Flexible Diaphragm Disc Coupling Couplings Simple Structure Transmission Torque
editor by CX 2023-08-15