China Standard CHINAMFG Jmi Type Flexible Diaphragm Disc Coupling High Quality CHINAMFG Couplings

Product Description

JMI Type Disc Diaphragm Coupling(JB/T9147-1999)

Product Description

 

♦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 Photos

 

♦Detailed Pictures

♦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

 

♦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

 

Company Profile

 

♦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 service

 

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 /* 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

flexible coupling

What role does a flexible coupling play in minimizing wear and tear on connected components?

A flexible coupling plays a vital role in minimizing wear and tear on connected components by absorbing and mitigating various mechanical stresses that occur during operation. Here’s how a flexible coupling achieves this:

  • Misalignment Compensation: One of the primary causes of wear and tear on rotating machinery is misalignment between connected shafts. Misalignment can occur due to factors such as thermal expansion, foundation settling, or assembly errors. A flexible coupling can accommodate both angular and parallel misalignments, reducing the stress on the shafts and connected components. By allowing for misalignment, the coupling prevents excessive forces from being transmitted to the connected components, minimizing wear.
  • Vibration Damping: During operation, rotating machinery can generate vibrations that lead to accelerated wear on components like bearings, gears, and couplings. A flexible coupling acts as a vibration damper, absorbing and dispersing vibrations, reducing their impact on connected components. This damping effect helps prevent fatigue and extends the life of the components.
  • Shock Absorption: Machinery may experience sudden shocks or impact loads during start-ups, shutdowns, or due to external factors. A flexible coupling is designed to absorb and cushion these shocks, preventing them from propagating through the system and causing damage to sensitive components.
  • Smooth Torque Transmission: In rigid couplings, torque transmission between shafts can be abrupt and cause torque spikes. These spikes put stress on the connected components, leading to wear and fatigue. Flexible couplings transmit torque smoothly, without sudden spikes, ensuring even distribution of forces and reducing the wear on components.
  • Controlling Torsional Vibrations: Torsional vibrations, a type of vibration that affects rotating shafts, can be damaging to connected components. Some flexible couplings are designed to address torsional vibration issues, providing additional protection against wear and tear.
  • Compensating for Thermal Expansion: Temperature fluctuations can lead to thermal expansion or contraction of machinery components. A flexible coupling can accommodate these changes, preventing undue stress on the connected components that may arise from differential expansion rates.

By performing these functions, a flexible coupling acts as a protective barrier for connected components, minimizing wear and tear, and contributing to their longevity. The reduced wear and stress on the components also result in lower maintenance costs and improved overall reliability of the mechanical system.

flexible coupling

How does a flexible coupling handle misalignment in large rotating equipment?

Flexible couplings are designed to accommodate various types of misalignment in large rotating equipment, ensuring smooth and efficient power transmission while minimizing stress on connected components. Here’s how flexible couplings handle different types of misalignment:

  • Angular Misalignment: Angular misalignment occurs when the axes of the two connected shafts are not collinear and form an angle. Flexible couplings can handle angular misalignment by allowing the coupling elements to flex and move slightly, thus accommodating the angle between the shafts. The flexible elements, often made of elastomeric materials or metallic membranes, can bend and twist to compensate for angular misalignment, ensuring that the coupling remains engaged and transfers torque effectively.
  • Parallel Misalignment: Parallel misalignment, also known as offset misalignment, happens when the two shafts are not perfectly aligned along their axes, resulting in a lateral shift. Flexible couplings can handle parallel misalignment through their ability to move radially, allowing the flexible elements to adjust and take up the offset. This capability prevents excessive side loads on the shafts and bearings, reducing wear and increasing the lifespan of the equipment.
  • Axial Misalignment: Axial misalignment occurs when there is a linear displacement of one shaft relative to the other, either toward or away from the other shaft. Some flexible couplings, such as certain types of flexible disc couplings, can accommodate a limited amount of axial misalignment. However, for large axial movement, other types of couplings or special designs may be required.

The flexibility of the coupling elements allows them to act as a buffer between the shafts, dampening shocks, vibrations, and torsional forces caused by misalignment or other dynamic loads. This helps protect the connected equipment from damage and enhances the overall performance and reliability of the rotating system.

In large rotating equipment, where misalignment is more common due to thermal expansion, foundation settling, or other factors, flexible couplings play a critical role in maintaining smooth operation and reducing stress on the machinery. However, it is essential to choose the appropriate type of flexible coupling based on the specific requirements of the application and to regularly inspect and maintain the coupling to ensure optimal performance and longevity.

flexible coupling

What are the advantages of using flexible couplings in mechanical systems?

Flexible couplings offer several advantages in mechanical systems, making them essential components in various applications. Here are the key advantages of using flexible couplings:

  • Misalignment Compensation: One of the primary advantages of flexible couplings is their ability to compensate for shaft misalignment. In mechanical systems, misalignment can occur due to various factors such as installation errors, thermal expansion, or shaft deflection. Flexible couplings can accommodate angular, parallel, and axial misalignment, ensuring smooth power transmission and reducing stress on the connected equipment and shafts.
  • Vibration Damping: Flexible couplings act as damping elements, absorbing and dissipating vibrations and shocks generated during operation. This feature helps to reduce noise, protect the equipment from excessive wear, and enhance overall system reliability and performance.
  • Torsional Flexibility: Flexible couplings provide torsional flexibility, allowing them to handle slight angular and axial deflections. This capability protects the equipment from sudden torque fluctuations, shock loads, and torque spikes, ensuring smoother operation and preventing damage to the machinery.
  • Overload Protection: In case of sudden overloads or torque spikes, flexible couplings can absorb and distribute the excess torque, protecting the connected equipment and drivetrain from damage. This overload protection feature prevents unexpected failures and reduces downtime in critical applications.
  • Reduce Wear and Maintenance: By compensating for misalignment and damping vibrations, flexible couplings help reduce wear on the connected equipment, bearings, and seals. This results in extended component life and reduced maintenance requirements, leading to cost savings and improved system reliability.
  • Compensation for Thermal Expansion: In systems exposed to temperature variations, flexible couplings can compensate for thermal expansion and contraction, maintaining proper alignment and preventing binding or excessive stress on the equipment during temperature changes.
  • Electric Isolation: Some types of flexible couplings, such as disc couplings, offer electrical isolation between shafts. This feature is beneficial in applications where galvanic corrosion or electrical interference between connected components needs to be minimized.
  • Space and Weight Savings: Flexible couplings often have compact designs and low inertia, which is advantageous in applications with space constraints and where minimizing weight is crucial for performance and efficiency.
  • Cost-Effectiveness: Flexible couplings are generally cost-effective solutions for power transmission and motion control, especially when compared to more complex and expensive coupling types. Their relatively simple design and ease of installation contribute to cost savings.

In summary, flexible couplings play a vital role in mechanical systems by providing misalignment compensation, vibration damping, overload protection, and torsional flexibility. These advantages lead to improved system performance, reduced wear and maintenance, and enhanced equipment reliability, making flexible couplings a preferred choice in various industrial, automotive, marine, and aerospace applications.

China Standard CHINAMFG Jmi Type Flexible Diaphragm Disc Coupling High Quality CHINAMFG Couplings  China Standard CHINAMFG Jmi Type Flexible Diaphragm Disc Coupling High Quality CHINAMFG Couplings
editor by CX 2024-05-13

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