China manufacturer Flexible Single-Disc Coupling Diaphragm Coupling Manufacturer

Product Description

JMI Type Diaphragm Coupling(JB/T9147-1999)

  Features
   1. Unitized disc pack.
   2. Infinite life when properly aligned.
   3. Torsionally rigid without any backlash.
   4.No need for lubrication or maintenance.
   5.No wearing parts and high resistance to harsh environmental conditions.
   6. Larger sizes are available CHINAMFG request.

·JMI Type Coupling Main Dimension(JB/T9147-1999)

Type Nominal  torque
Tn
Peak torque
Tmax
Max
Speed
np
Bore diameter
d
Bore Length D t Torsional stiffness
C
Mass Rotary inertia
Y type J,J1,Z,Z1 type L(recommend)
L L L1
N·m N·m r·min-1 mm N·m/rad kg kg·m2
JMI1 25 80 6000 14 32 J127
Z120
35 90 8.8 1×104 1 0.0007
16,18,19 42 30
20,22 52 38
JMI2 63 180 5000 18,19 42 30 45 100 9.5 1.4×104 2.3 0.001
20,22,24 52 38
25 62 44
JMI3 100 315 5000 20,22,24 52 38 50 120 11 1.87×104 2.3 0.0571
25,28 62 44
30 82 60
JMI4 160 500 4500 24 52 38 55 130 12.5 3.12×104 3.3 0.0571
25,28 62 44
30,32,35 82 60
JMI5 250 710 4000 28 62 44 60 150 14 4.32×104 5.3 0.0083
30,32,35,38 82 60
40 112 84
JMI6 400 1120 3600 32,35,38 82 82 60 65 170 15.5 6.88×104 8.7 0.0159
40,42,45,48,
50
112 112 84
JMI7 630 1800 3000 40,42,45,48,
50,55,56
112 112 84 70 210 19 10.35×104 14.3 0.571
60 142 107
JMI8 1000 2500 2800 45,48,50,55,
56
112 112 84 80 240 22.5 16.11×104 22 0. 0571
60,63,65,70 142 107
JMI9 1600 4000 2500 55,56 112 84 85 260 24 26.17×104 29 0.1415
60,63,70,71,
75
142 107
80 172 132
JMI10 2500 6300 2000 63,65,70,71,75 142 142 107 90 280 17 7.88×104 52 0.2974
80,85,90,95 172 132
JMI11 4000 9000 1800 75 142 142 107 95 300 19.5 10.49×104 69 0.4782
80,85,90,95 172 172 132
100,110 212 167
JMI12 6300 12500 1600 90,95 172 132 120 340 23 14.07×104 94 0.8067
100,110,120,125 212 167
JMI13 10000 18000 1400 100,110,120,125 212 167 135 380 28 19.2×104 128 1.7053
130,140 252 202
JMI14 16000 28000 1200 120,125 212 167 150
 
420 31 30.0×104 184 2.6832
130,140,150 252 202
160 302 242
JMI15 25000 40000 1120 140,150 252 202 180 480 37.5 47.46×104 262 4.8015
160,170,180 302 242
JMI16 40000 56000 1000 160,170,180 302 242 200
 
560 41 48.09×104 384 9.4118
190,200 352 282
JMI17 63000 80000 900 190,200,220 352 282 220
 
630 47 10.13×104 561 18.3753
240 410 330
JMI18 100000 125000 800 220 352 282 250
 
710 54.5 16.14×104 723 28.2033
240,250,260 410 330
JMI19 160000 200000 710 250,260 410 330 280 800 48 79.8×104 1267 66.5813
280,300,320 470 380

Product show:

♦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 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 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 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
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 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?
A:1) T/T. 

Contact Us

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

disc coupling

Common Applications of Disc Couplings

Disc couplings find extensive use across various industries and applications where reliable torque transmission, misalignment compensation, and torsional stiffness are essential. Some notable examples include:

  • Industrial Machinery: Disc couplings are employed in industrial equipment such as pumps, compressors, generators, and conveyors. They ensure precise torque transfer and alignment in heavy-duty machinery.
  • Power Generation: Gas turbines, steam turbines, and power generators often utilize disc couplings to transmit torque between components while withstanding high rotational speeds.
  • Aerospace: In aircraft and spacecraft, disc couplings help connect critical systems like engines and auxiliary power units, ensuring dependable torque transmission in demanding environments.
  • Marine: Ships and offshore platforms use disc couplings to connect propulsion systems, generators, and other machinery, even in conditions with variable loads and misalignments.
  • Oil and Gas: Disc couplings play a crucial role in drilling rigs, pumps, and other equipment where reliable torque transmission and misalignment compensation are vital.
  • Automotive: Some automotive applications use disc couplings to connect components within drivetrains and transmissions, especially in vehicles with high-performance requirements.

These examples highlight the versatility and importance of disc couplings in various industries where precise torque transmission, misalignment handling, and torsional stiffness are critical for optimal performance.

disc coupling

Maintaining and Extending the Lifespan of Disc Couplings

Proper maintenance is crucial to ensure the longevity and reliable performance of disc couplings. Here are the best practices:

  1. Regular Inspections: Conduct visual inspections to identify signs of wear, corrosion, or damage. Regular checks help detect issues early.
  2. Lubrication: Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants. Proper lubrication reduces friction and wear between disc elements.
  3. Alignment: Ensure proper alignment of the coupling and connected shafts. Misalignment can lead to premature wear and decreased coupling efficiency.
  4. Torque Monitoring: Monitor torque levels and load variations to identify abnormal fluctuations. Address sudden changes promptly to prevent further damage.
  5. Vibration Analysis: Use vibration analysis tools to detect and mitigate excessive vibration. Vibration can accelerate wear and affect machinery performance.
  6. Temperature Management: Monitor operating temperatures to avoid overheating. Excessive heat can lead to premature wear and material degradation.
  7. Load Consideration: Ensure the coupling is not subjected to loads beyond its capacity. Overloading can lead to accelerated wear and potential failure.
  8. Environmental Factors: Protect the coupling from contaminants, moisture, and corrosive substances that can accelerate deterioration.
  9. Timely Repairs: Address any identified issues promptly. Replace worn or damaged components to prevent further degradation.
  10. Professional Assistance: If you encounter complex issues, consider involving experienced technicians or engineers for diagnosis and repair.

Following these practices helps maintain optimal performance, extend the lifespan of disc couplings, and contribute to the overall efficiency and reliability of machinery systems.

disc coupling

Challenges and Solutions for Misaligned Disc Couplings

Misalignment in disc couplings can lead to several challenges, but these issues can be effectively addressed using appropriate measures:

  • Reduced Efficiency: Misalignment can cause increased friction and wear, leading to energy losses and reduced coupling efficiency. Regular maintenance and proper alignment can help mitigate this issue.
  • Vibration and Noise: Misalignment often results in vibrations and noise in the machinery. This can impact the overall performance of the system and cause discomfort to operators. Ensuring precise alignment and using vibration-damping solutions can minimize these effects.
  • Premature Wear: Disc couplings experiencing misalignment may wear out prematurely due to uneven loading and stress concentrations. Optimal alignment and using coupling models designed to handle misalignment can extend the coupling’s lifespan.
  • Imbalanced Loads: Misalignment can lead to imbalanced loads on the coupling discs, causing uneven stress distribution. This can lead to fatigue and failure. Using spacer elements between the discs and proper alignment can distribute the loads more evenly.
  • Reduced Accuracy: In applications requiring precision positioning, misaligned disc couplings can result in inaccurate measurements or positioning. Implementing accurate alignment practices and selecting couplings designed for precise applications can mitigate this challenge.
  • Temperature Rise: Misalignment-induced friction generates heat, leading to temperature rise in the coupling and adjacent components. This can potentially affect the material properties and lead to premature wear. Proper alignment and selecting appropriate lubrication can manage temperature rise.

Addressing misalignment challenges involves a combination of careful installation, routine maintenance, alignment checks, and using coupling designs that offer flexibility and resilience to misalignment. Regular monitoring and addressing misalignment issues promptly can help ensure the longevity and optimal performance of disc couplings.

China manufacturer Flexible Single-Disc Coupling Diaphragm Coupling Manufacturer  China manufacturer Flexible Single-Disc Coupling Diaphragm Coupling Manufacturer
editor by CX 2023-11-16

As one of leading flexible disc coupling manufacturers, suppliers and exporters of mechanical products, We offer flexible-disc-coupling and many other products.

Please contact us for details.

Mail: sales@flexible-disc-coupling.top

Manufacturer supplier exporter of flexible disc coupling

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