China supplier 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

Can flexible couplings accommodate variable operating conditions and loads?

Yes, flexible couplings are designed to accommodate variable operating conditions and loads in mechanical systems. They offer several features that allow them to adapt to changing conditions and handle different loads effectively. Below are the reasons why flexible couplings are well-suited for such applications:

Misalignment Compensation: Flexible couplings can handle misalignment between shafts, including angular, parallel, and axial misalignment. This capability allows them to accommodate slight shifts in shaft positions that may occur due to thermal expansion, vibration, or other factors, ensuring smooth operation even in changing conditions.

Shock and Vibration Absorption: Flexible couplings can dampen shocks and vibrations that result from sudden changes in load or operating conditions. The flexible element in the coupling acts as a buffer, absorbing and reducing the impact of sudden loads or transient forces, protecting connected equipment and increasing system reliability.

Variable Load Capacity: Flexible couplings come in various designs and materials, each with its load capacity range. Manufacturers provide different coupling models with varying load capacities to accommodate different applications. Properly selecting the right coupling for the specific load conditions ensures reliable power transmission even under varying loads.

Compensation for Thermal Expansion: Temperature changes can cause thermal expansion in mechanical systems, leading to shaft misalignment. Flexible couplings can handle the resulting misalignment, compensating for thermal expansion and ensuring continuous and smooth power transmission.

Torsional Stiffness: Flexible couplings are designed with a balance between flexibility and torsional stiffness. This property allows them to adapt to variable loads while still providing the necessary rigidity for efficient power transmission.

Durable Materials and Designs: Manufacturers produce flexible couplings from durable materials like stainless steel, aluminum, or engineered elastomers. These materials ensure that the couplings can withstand varying operating conditions, including temperature fluctuations, harsh environments, and high loads.

Dynamic Behavior: Flexible couplings have a dynamic behavior that enables them to operate smoothly and efficiently under changing loads and speeds. They can handle variations in rotational speed and torque while maintaining consistent performance.

Application Flexibility: Flexible couplings find applications in a wide range of industries, from automotive and aerospace to industrial and marine. Their versatility allows them to accommodate variable operating conditions and loads in different systems.

Summary: Flexible couplings are well-suited for applications with variable operating conditions and loads. Their ability to compensate for misalignment, absorb shocks and vibrations, and handle thermal expansion make them reliable components in mechanical systems. The availability of various coupling designs and materials allows for the selection of the appropriate coupling based on the specific application requirements, ensuring optimal performance and longevity in variable conditions.

flexible coupling

What are the challenges of using flexible couplings in heavy-duty industrial machinery?

Using flexible couplings in heavy-duty industrial machinery can offer numerous benefits, such as reducing shock loads, accommodating misalignment, and protecting connected equipment. However, there are several challenges that need to be addressed to ensure successful and reliable performance:

  • Torsional Stiffness: Heavy-duty machinery often requires high torsional stiffness to maintain accurate rotational timing and prevent energy losses. Selecting a flexible coupling with the appropriate level of torsional stiffness is crucial to avoid excessive torsional deflection and maintain power transmission efficiency.
  • High Torque and Speed: Heavy-duty machinery typically operates at high torque and speed levels. The flexible coupling must be capable of handling these intense loads without exceeding its torque or speed ratings, which could lead to premature failure.
  • Alignment and Runout: Proper shaft alignment is critical for the reliable operation of flexible couplings in heavy-duty machinery. Misalignment can cause additional stresses and premature wear on the coupling and connected components. Achieving and maintaining precise alignment is essential to maximize coupling performance.
  • Environmental Conditions: Heavy-duty industrial machinery often operates in harsh environments with exposure to dust, dirt, chemicals, and extreme temperatures. Flexible couplings must be constructed from durable and corrosion-resistant materials to withstand these conditions and maintain their functionality over time.
  • Impact and Shock Loads: Some heavy-duty machinery may experience frequent impact and shock loads, which can lead to fatigue and failure in the flexible coupling. Choosing a coupling with high shock load capacity and fatigue resistance is vital to ensure longevity and reliability.
  • Regular Maintenance: Heavy-duty machinery demands rigorous maintenance schedules to monitor the condition of flexible couplings and other components. Timely inspection and replacement of worn or damaged couplings are essential to prevent unexpected downtime and costly repairs.
  • Coupling Selection: Properly selecting the right type of flexible coupling for the specific application is crucial. Different types of couplings offer varying levels of misalignment compensation, torque capacity, and environmental resistance. Choosing the wrong coupling type or size can lead to inefficiencies and premature failures.

Despite these challenges, using flexible couplings in heavy-duty industrial machinery can provide significant advantages. By carefully considering the application requirements, selecting high-quality couplings, and implementing regular maintenance protocols, engineers can overcome these challenges and enjoy the benefits of flexible couplings, including increased equipment lifespan, reduced maintenance costs, and improved overall system performance.

flexible coupling

Can flexible couplings accommodate high torque and high-speed applications?

Yes, flexible couplings can accommodate both high torque and high-speed applications, but the suitability depends on the specific design and material of the flexible coupling. Different types of flexible couplings have varying torque and speed capacities, and it’s crucial to select the right type of coupling based on the application requirements.

High Torque Applications:

Some flexible couplings, such as gear couplings and disc couplings, are designed to handle high torque levels. Gear couplings consist of toothed hubs that mesh with each other, providing a robust and efficient torque transmission. They are commonly used in heavy-duty industrial applications, such as steel mills, mining equipment, and power generation plants, where high torque loads are prevalent.

Disc couplings are also suitable for high torque applications. They use a series of flexible metal discs that can handle significant torque while compensating for misalignment. Disc couplings are often used in high-speed machinery and critical applications where precise torque transmission is essential.

High-Speed Applications:

Flexible couplings can also be used in high-speed applications. For instance, certain disc couplings, elastomeric couplings, and grid couplings are capable of handling high rotational speeds. These couplings have low inertia, which means they can respond quickly to changes in speed and provide efficient power transmission at high RPMs.

Elastomeric couplings, such as jaw couplings and tire couplings, are commonly used in various industrial applications, including pumps, compressors, and fans, where both torque and speed requirements are high. They offer good flexibility and damping properties, making them suitable for applications with high-speed variations and vibrations.

Considerations:

When selecting a flexible coupling for high torque and high-speed applications, several factors should be considered:

  • The torque and speed ratings provided by the coupling manufacturer should be checked to ensure they meet or exceed the application’s requirements.
  • The design and materials of the coupling should be suitable for the specific operating conditions, including temperature, environment, and potential exposure to corrosive substances.
  • Proper alignment and installation of the coupling are critical to ensure optimal performance and prevent premature wear.
  • In some cases, it may be necessary to use additional components, such as torque limiters or speed reducers, to protect the coupling and the connected equipment from excessive loads or speed fluctuations.

In conclusion, flexible couplings can indeed accommodate high torque and high-speed applications, but the appropriate coupling type and proper selection are essential to ensure reliable and efficient performance in these demanding conditions.

China supplier CHINAMFG Jmi Type Flexible Diaphragm Disc Coupling High Quality CHINAMFG Couplings  China supplier CHINAMFG Jmi Type Flexible Diaphragm Disc Coupling High Quality CHINAMFG Couplings
editor by CX 2024-05-07

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

Please contact us for details.

Mail:[email protected]

Manufacturer supplier exporter of flexible coupling

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