Product Description
JMII Type Diaphragm Coupling(JB/T9147-1999)
JMII Elastic Diaphragm Coupling belong to JM series diaphragm couplings. They are made up of several groups of diaphragms (stainless steel thin wrench), and bolts are interlaced with 2 halves of couplings. Each diaphragm is made up of several sheets. The diaphragm is divided into connecting rod type and whole shape with different shapes. Its elastic deformation is used to compensate the relative displacement of the 2 axes, and it is a high performance flexible coupling of metal elastic elements. No lubrication, compact structure, high strength, long service life, no rotation clearance, no influence on temperature and oil pollution, it has the characteristics of acid resistance, alkali resistance and corrosion resistance.
JMII Type Diaphragm Coupling Main Dimension(JB/T9147-1999)
Type | Nominal torque Tn |
Peak torque Tmax |
Max Speed nmax |
Bore Diameter d,d1 |
Bore length | D | D1 | t | Torsional rigidity×106 | Mass | Rotary inertia |
||
J1 type | Y type |
L (recommend) |
|||||||||||
L | |||||||||||||
N·m | N·m | r·min-1 | mm | N·m/rad | kg | kg·m2 | |||||||
JMII1 | 40 | 63 | 10700 | 14 | 27 | 32 | 35 | 80 | 39 | 8±0.2 | 0.37 | 0.9 | 0.0005 |
16,18,19 | 30 | 42 | |||||||||||
20,22,24 | 38 | 52 | |||||||||||
25,28 | 44 | 62 | |||||||||||
JMII2 | 63 | 100 | 9300 | 20,22,24 | 38 | 52 | 40 | 92 | 53 | 0.45 | 1.4 | 0.0011 | |
25,28 | 44 | 62 | |||||||||||
30,32,35,38 | 60 | 82 | |||||||||||
JMII3 | 100 | 200 | 8400 | 25,28 | 44 | 62 | 45 | 102 | 63 | 0.56 | 2.1 | 0.002 | |
30,32,35,38 | 60 | 82 | |||||||||||
40,42,45 | 84 | 112 | |||||||||||
JMII4 | 250 | 400 | 6700 | 30,32,35,38 | 60 | 82 | 55 | 128 | 77 | 11±0.3 | 0.81 | 4.2 | 0.006 |
40,42,45,48,50,55 | 84 | 112 | |||||||||||
JMII5 | 500 | 800 | 5900 | 35,38 | 60 | 82 | 65 | 145 | 91 | 1.2 | 6.4 | 0.012 | |
40,42,45,48,50,55,56 | 84 | 112 | |||||||||||
60,63,65 | 107 | 142 | |||||||||||
JMII6 | 800 | 1250 | 5100 | 40,42,45,48,50,55,56 | 84 | 112 | 75 | 168 | 105 | 14±0.3 | 1.42 | 9.6 | 0.571 |
60,63,65,70,71,75 | 107 | 142 | |||||||||||
JMII7 | 1000 | 2000 | 4750 | 45,48,50,55,56 | 84 | 112 | 80 | 180 | 112 | 15±0.4 | 1.9 | 12.5 | 0.0365 |
60,63,65,70,71,75 | 107 | 142 | |||||||||||
80 | 132 | 172 | |||||||||||
JMII8 | 1600 | 3150 | 4300 | 50,55,56 | 84 | 112 | 200 | 120 | 2.35 | 15.5 | 0.057 | ||
60,63,65,70,71,75 | 107 | 142 | |||||||||||
80,85 | 132 | 172 | |||||||||||
JMII9 | 2500 | 4000 | 4200 | 55,56 | 84 | 112 | 205 | 120 | 20±0.4 | 2.7 | 16.5 | 0.065 | |
60,63,65,70,71,75 | 107 | 142 | |||||||||||
80,85 | 132 | 172 | |||||||||||
JMII10 | 3150 | 5000 | 4000 | 55,56 | 84 | 112 | 90 | 215 | 128 | 20±0.4 | 3.02 | 19.5 | 0.083 |
60,63,65,70,71,75 | 107 | 142 | |||||||||||
80,85,90 | 132 | 172 | |||||||||||
JMII11 | 4000 | 6300 | 3650 | 60,63,65,70,71,75 | 107 | 142 | 100 | 235 | 132 | 23±0.5 | 3.46 | 25 | 0.131 |
80,85,90,95 | 132 | 172 | |||||||||||
JMII12 | 5000 | 8000 | 3400 | 63,65,70,71,75 | 107 | 142 | 250 | 145 | 3.67 | 30 | 0.174 | ||
80,85,90,95 | 132 | 172 | |||||||||||
100 | 167 | 212 | |||||||||||
JMII13 | 6300 | 10000 | 3200 | 63,65,70,71,75 | 107 | 142 | 110 | 270 | 155 | 5.2 | 36 | 0.239 | |
80,85,90,95 | 132 | 172 | |||||||||||
100,110 | 167 | 212 | |||||||||||
JMII14 | 8000 | 12500 | 2850 | 65,70,71,75 | 107 | 142 | 115 | 300 | 162 | 27±0.6 | 7.8 | 45 | 0.38 |
80,85,90,95 | 132 | 172 | |||||||||||
100,110 | 167 | 212 | |||||||||||
JMII15 | 10000 | 16000 | 2700 | 70,71,75 | 107 | 142 | 125 | 320 | 176 | 8.43 | 55 | 0.5 | |
80,85,90,95 | 132 | 172 | |||||||||||
100,110,120,125 | 167 | 212 | |||||||||||
JMII16 | 12500 | 20000 | 2450 | 75 | 107 | 142 | 140 | 350 | 186 | 32±0.7 | 10.23 | 75 | 0.85 |
80,85,90,95 | 132 | 172 | |||||||||||
100,110,120,125 | 167 | 212 | |||||||||||
130 | 202 | 252 | |||||||||||
JMII17 | 16000 | 25000 | 2300 | 80,85,90,95 | 132 | 172 | 145 | 370 | 203 | 10.97 | 85 | 1.1 | |
100,110,120,125 | 167 | 212 | |||||||||||
130,140 | 202 | 252 | |||||||||||
JMII18 | 20000 | 31500 | 2150 | 90,95 | 132 | 172 | 165 | 400 | 230 | 13.07 | 115 | 1.65 | |
100,110,120,125 | 167 | 212 | |||||||||||
130,140,150 | 202 | 252 | |||||||||||
160 | 242 | 302 | |||||||||||
JMII19 | 25000 | 40000 | 1950 | 100,110,120,125 | 167 | 212 | 175 | 440 | 245 | 38±0.9 | 14.26 | 150 | 2.69 |
130,140,150 | 202 | 252 | |||||||||||
160,170 | 242 | 302 | |||||||||||
JMII20 | 31500 | 50000 | 1850 | 110,120,125 | 167 | 212 | 185 | 460 | 260 | 22.13 | 170 | 3.28 | |
130,140,150 | 202 | 252 | |||||||||||
160,170,180 | 242 | 302 | |||||||||||
JMII21 | 35500 | 56000 | 1800 | 120,125 | 167 | 212 | 200 | 480 | 280 | 38±0.9 | 23.7 | 200 | 4.28 |
130,140,150 | 202 | 252 | |||||||||||
160,170,180 | 242 | 302 | |||||||||||
190,200 | 282 | 352 | |||||||||||
JMII22 | 40000 | 63000 | 1700 | 130,140,150 | 202 | 252 | 210 | 500 | 295 | 24.6 | 230 | 5.18 | |
160,170,180 | 242 | 302 | |||||||||||
190,200 | 282 | 352 | |||||||||||
JMII23 | 50000 | 80000 | 1600 | 140,150 | 202 | 252 | 220 | 540 | 310 | 44±1 | 29.71 | 275 | 7.7 |
160,170,180 | 242 | 302 | |||||||||||
190,200,220 | 282 | 352 | |||||||||||
JMII24 | 63000 | 10000 | 1450 | 150 | 202 | 252 | 240 | 600 | 335 | 50±1.2 | 32.64 | 380 | 9.3 |
160,170,180 | 242 | 302 | |||||||||||
190,200,220 | 282 | 352 | |||||||||||
240 | 330 | 410 | |||||||||||
JMII25 | 80000 | 125000 | 1400 | 160,170,180 | 242 | 302 | 255 | 620 | 350 | 37.69 | 410 | 15.3 | |
190,200,220 | 282 | 352 | |||||||||||
240,250 | 330 | 410 | |||||||||||
JMII26 | 90000 | 140000 | 1300 | 160 | 242 | 302 | 275 | 660 | 385 | 50.43 | 510 | 20.9 | |
190,200,220 | 282 | 352 | |||||||||||
240,250,260 | 330 | 410 | |||||||||||
JMII27 | 112000 | 180000 | 1200 | 190,200,220 | 282 | 352 | 295 | 720 | 410 | 60±1.4 | 71.51 | 620 | 32.4 |
240,250,260 | 330 | 410 | |||||||||||
280 | 380 | 470 | |||||||||||
JMII28 | 140000 | 20000 | 1150 | 220 | 282 | 352 | 300 | 740 | 420 | 93.37 | 680 | 36 | |
240,250,260 | 330 | 410 | |||||||||||
280,300 | 380 | 470 | |||||||||||
JMII29 | 160000 | 224000 | 1100 | 240,250,260 | 330 | 410 | 320 | 770 | 450 | 114.53 | 780 | 43.9 | |
280,300,320 | 380 | 470 | |||||||||||
JMII30 | 180000 | 280000 | 1050 | 250,260 | 330 | 410 | 350 | 820 | 490 | 130.76 | 950 | 60.5 | |
280,300,320 | 380 | 470 | |||||||||||
340 | 450 | 550 |
Product Display
♦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 shaft 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 special test by Professional Staff according to the standard of ISO9001 and TS16949.
♦FAQ
Q 1: Are you trading company or 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 of 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 then cost of sample will be deducted.
Q 5: How long is your warranty?
A: Our Warranty is 12 month under normal circumstance.
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
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Industry Standards and Guidelines for Disc Couplings
Disc couplings, like other mechanical components, are subject to various industry standards and guidelines that ensure their safe and reliable operation. Some relevant standards include:
- API Standard 671: This American Petroleum Institute (API) standard provides guidelines for special-purpose couplings for use in petroleum, chemical, and gas industry services. It covers the design, materials, testing, and inspection of couplings, including disc couplings.
- AGMA Standard 9001: The American Gear Manufacturers Association (AGMA) standard 9001 addresses flexible couplings, including disc couplings, and provides recommendations for their design, installation, and maintenance.
- ISO 14691: This International Organization for Standardization (ISO) standard covers general-purpose industrial couplings, including disc couplings, and provides guidance on their selection, installation, and operation.
Manufacturers and engineers often refer to these standards and guidelines to ensure that disc couplings are designed, manufactured, and used according to recognized industry practices. Adhering to these standards helps enhance the reliability, safety, and performance of disc couplings in various industrial applications.
Impact of Number and Configuration of Disc Packs on Coupling Performance
The number and configuration of disc packs in a disc coupling have a significant impact on its overall performance. Here’s how:
- Number of Disc Packs: Increasing the number of disc packs can enhance the coupling’s torque capacity and stiffness. This allows it to handle higher levels of torque while maintaining its flexibility to accommodate misalignment.
- Configuration: Different configurations, such as single-flex, double-flex, or multiple-flex, offer varying degrees of angular misalignment compensation and torsional stiffness. Single-flex configurations provide greater misalignment capacity, while double-flex configurations offer improved torsional stiffness.
Choosing the appropriate number and configuration of disc packs depends on the specific application requirements:
- Torque Transmission: Applications with high torque demands may benefit from a higher number of disc packs to ensure reliable torque transmission.
- Misalignment Compensation: Applications with moderate misalignment may opt for configurations that offer higher angular misalignment compensation.
- Torsional Stiffness: For applications where torsional stiffness is critical, a configuration with multiple-disc packs may be preferred.
- Space Limitations: Consider the available space and coupling dimensions when choosing the number and configuration of disc packs.
- Dynamic Behavior: Depending on the application’s dynamic behavior and vibration characteristics, the appropriate configuration can be selected to minimize resonances.
Ultimately, the selection of the number and configuration of disc packs in a disc coupling should be based on a thorough understanding of the application’s torque, misalignment, and stiffness requirements to optimize coupling performance and reliability.
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.
editor by CX 2024-03-18