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 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 /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Exploring the Use of Elastomeric Materials in Flexible Motor Couplings
Elastomeric materials play a crucial role in the design and function of flexible motor couplings. These materials offer unique properties that make them well-suited for power transmission applications. Here’s an exploration of their use in flexible motor couplings:
1. Flexibility and Damping:
Elastomeric materials, such as rubber or urethane, are highly flexible, allowing them to absorb and dampen vibrations and shocks generated during motor operation. This damping property helps reduce resonance and noise, improving the overall performance of the power transmission system.
2. Misalignment Compensation:
Flexible motor couplings with elastomeric inserts can accommodate both angular and parallel misalignments between the motor and driven equipment shafts. The elastomeric material provides some radial compliance, allowing for smooth torque transmission even when the shafts are slightly misaligned.
3. Shock Absorption:
In applications where the motor or driven equipment is subjected to sudden shocks or impacts, elastomeric materials act as shock absorbers. They absorb and dissipate the impact energy, protecting the coupling and connected components from damage.
4. Low Inertia:
Elastomeric couplings typically have low inertia due to the lightweight nature of the elastomeric material. This low inertia reduces the rotational resistance and allows for rapid acceleration and deceleration of the connected equipment.
5. Corrosion Resistance:
Elastomeric materials are often resistant to corrosion, making them suitable for use in various industrial environments where exposure to moisture or chemicals may occur.
6. Electrical Isolation:
Elastomeric couplings provide electrical isolation between the motor and driven equipment shafts. This is advantageous in applications where electrical continuity must be avoided.
7. Easy Installation:
Elastomeric couplings are generally easy to install due to their simple and lightweight construction. They do not require special tools or complex alignment procedures, making them a popular choice in many applications.
8. Maintenance-Free Operation:
Properly designed and maintained elastomeric couplings can offer maintenance-free operation over extended periods. The absence of mechanical wear elements reduces the need for regular maintenance and replacement.
The use of elastomeric materials in flexible motor couplings provides numerous benefits, making these couplings suitable for a wide range of applications. Their ability to compensate for misalignment, dampen vibrations, and withstand shocks makes them particularly advantageous in situations where smooth and reliable power transmission is essential.
“`
Can Motor Couplings Handle Reversing Loads and Shock Loads Effectively?
Yes, motor couplings are designed to handle both reversing loads and shock loads effectively, making them suitable for a wide range of industrial applications. Here’s how motor couplings can handle these types of loads:
Reversing Loads:
Motor couplings are capable of transmitting torque in both forward and reverse directions. When the driven equipment experiences changes in direction, the motor coupling efficiently transfers torque from the motor to the driven equipment without any loss in performance. This capability is crucial in applications that require frequent changes in rotational direction, such as reversing drives in industrial machinery.
Shock Loads:
Motor couplings, especially those with elastomeric elements, have excellent shock-absorbing properties. When subjected to sudden shocks or impacts, such as during machine start-ups or sudden stops, the elastomeric material in the coupling helps dampen and absorb the impact energy. This protects the motor, driven equipment, and other components in the power transmission system from damage or excessive stress.
The ability of motor couplings to handle reversing loads and shock loads effectively is a result of their flexible and durable construction. Flexible couplings, in particular, can accommodate misalignments and absorb vibrations, further contributing to their ability to handle dynamic loads. However, it’s essential to consider the specific application’s requirements and select the appropriate coupling type and size that matches the expected reversing and shock load characteristics.
Proper installation, alignment, and regular maintenance of motor couplings are also critical factors in ensuring their optimal performance under reversing and shock load conditions. Regular inspection and monitoring can help identify any signs of wear or damage and allow for timely maintenance, contributing to the long-term reliability and efficiency of the power transmission system.
“`
How to Diagnose and Fix Common Issues with Motor Couplings
Diagnosing and fixing common issues with motor couplings is essential to ensure optimal performance and prevent equipment failures. Here are steps to diagnose and address common coupling problems:
1. Visual Inspection:
Perform a visual inspection of the motor coupling regularly. Look for signs of wear, cracks, or any visible damage. Check for proper alignment and coupling installation.
2. Vibration Analysis:
Use vibration analysis to identify abnormal vibrations in the coupling or connected machinery. Excessive vibration can indicate misalignment, damaged coupling elements, or worn components.
3. Check for Misalignment:
Verify the alignment between the motor and driven equipment shafts. Misalignment can lead to coupling failure and increased stress on the machinery. Adjust the alignment if necessary.
4. Listen for Unusual Noises:
Listen for any unusual noises during motor operation, such as rattling or grinding sounds. Unusual noises may indicate a loose coupling or damaged components.
5. Inspect Coupling Fasteners:
Check the tightness of coupling fasteners, such as bolts or set screws. Loose fasteners can lead to misalignment and coupling slippage.
6. Lubrication:
If the coupling requires lubrication, ensure it is adequately lubricated. Lack of lubrication can cause increased friction and wear, leading to premature failure.
7. Replace Damaged Components:
If you find any signs of damage or wear during inspection, replace the damaged coupling elements promptly. This may include replacing elastomeric inserts, worn gear teeth, or other damaged parts.
8. Verify Torque Limiting (if applicable):
If the coupling has torque-limiting features, check that they are functioning correctly. These features protect the motor and equipment from overload situations.
9. Monitor Coupling Performance:
Regularly monitor the coupling’s performance to detect any changes or issues early on. Continuous monitoring can prevent more severe problems and reduce downtime.
10. Seek Professional Help:
If you are unsure about diagnosing or fixing a coupling issue, consider seeking assistance from a qualified technician or engineer.
By conducting regular inspections and addressing any problems promptly, you can extend the lifespan of the motor coupling and maintain the efficiency and reliability of the entire power transmission system.
“`
editor by CX 2024-05-07
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