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

Product Description

JMI Type Disc 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.

♦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 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 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 are the cost implications of using flexible couplings compared to other coupling types?

When considering the cost implications of using flexible couplings compared to other coupling types, several factors come into play. While flexible couplings may have a higher upfront cost in some cases, they often offer cost savings in the long run due to their advantages and reduced maintenance requirements.

  • Upfront Cost: In terms of upfront cost, flexible couplings can vary depending on the design, material, and size. Some high-performance flexible couplings with specialized features may have a higher initial cost than simpler coupling types. For instance, certain specialized couplings used in demanding applications like high-speed precision machinery or corrosive environments might be more expensive.
  • Maintenance Costs: Flexible couplings generally have lower maintenance costs compared to certain rigid coupling types. Rigid couplings, such as gear couplings or disc couplings, may require periodic maintenance to check for wear, lubrication, and alignment. In contrast, many flexible couplings, especially those with elastomeric elements, are self-lubricating and require little to no maintenance.
  • Reduced Downtime: Due to their ability to accommodate misalignments and dampen vibrations, flexible couplings can reduce the wear and tear on connected equipment. This reduction in wear can lead to less frequent downtime for repairs or replacements, resulting in improved productivity and cost savings.
  • Longevity: Flexible couplings are designed to absorb shocks and vibrations, which can extend the lifespan of connected equipment. By minimizing stress and wear on components, flexible couplings contribute to the longevity of machinery and reduce the need for premature replacements.
  • Energy Efficiency: Some flexible couplings, such as beam couplings or certain elastomeric couplings, have low mass and inertia, contributing to better energy efficiency in rotating systems. By reducing energy losses, these couplings can result in cost savings over time.
  • Application Specificity: In some cases, specialized coupling types might be necessary to meet specific application requirements. While these specialized couplings may have higher costs, they are designed to optimize performance and reliability in those specific scenarios.
  • Compatibility and Adaptability: Flexible couplings are often more versatile in terms of accommodating shaft misalignment and different shaft sizes. Their adaptability can reduce the need for custom-made or precisely machined components, potentially saving costs in certain installations.

Overall, the cost implications of using flexible couplings compared to other coupling types depend on the specific application and its requirements. While they may have a higher initial cost in some cases, the long-term benefits, such as reduced maintenance, increased equipment longevity, and improved system efficiency, often justify the investment in flexible couplings.

flexible coupling

What are the differences between single and double flexible coupling designs?

Single and double flexible couplings are two common designs used for power transmission in various mechanical systems. Here are the main differences between the two:

  • Design: The primary difference lies in their configuration. A single flexible coupling consists of one flexible element connecting two shafts, while a double flexible coupling, also known as a two-piece flexible coupling, uses two flexible elements with an intermediate shaft in between. The double flexible coupling resembles two single couplings connected in series.
  • Torsional Flexibility: Single flexible couplings typically provide greater torsional flexibility than double flexible couplings. The presence of an intermediate shaft in the double coupling design adds some rigidity and reduces the overall torsional flexibility of the system.
  • Compensation of Misalignment: Both single and double flexible couplings can compensate for angular and parallel misalignment between shafts. However, due to its additional flexible element, the double flexible coupling may have slightly better misalignment compensation capabilities.
  • Length and Space: Single flexible couplings are generally shorter in length compared to double flexible couplings. The double flexible coupling’s design requires additional space to accommodate the intermediate shaft, making it longer than the single coupling.
  • Shaft Separation: Single flexible couplings connect the two shafts directly without any intermediate components, while the double flexible coupling separates the shafts using an intermediate shaft. This shaft separation in the double design can be advantageous in certain applications.
  • Stiffness: The double flexible coupling tends to be slightly stiffer than the single flexible coupling due to the presence of the intermediate shaft, which may affect its ability to absorb vibrations and shock loads.
  • Application: Single flexible couplings are commonly used in various applications, including pumps, compressors, fans, and general power transmission systems. Double flexible couplings are often preferred in applications where a higher level of torsional stiffness is required, such as certain industrial machinery.

Both single and double flexible coupling designs have their advantages and are suitable for different types of machinery and power transmission requirements. The choice between the two depends on factors such as the specific application, the level of misalignment compensation needed, the available space, and the desired torsional flexibility for the system.

flexible coupling

Can flexible couplings be used in applications with varying operating temperatures?

Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.

High-Temperature Applications:

For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.

Low-Temperature Applications:

Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.

Temperature Range Considerations:

When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.

Manufacturer Guidelines:

Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.

Applications:

Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.

In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.

China Custom CHINAMFG Jmi Type Flexible Diaphragm Disc Coupling High Quality CHINAMFG Couplings  China Custom CHINAMFG Jmi Type Flexible Diaphragm Disc Coupling High Quality CHINAMFG Couplings
editor by CX 2024-04-03