China wholesaler OEM Flange Double Flexible Coupling Diaphragm

Product Description

JMIIJ Type Diaphragm Coupling(JB/T9147-1999)

JMIIJ High Quality Flexible Diaphragm Coupling compensates for 2 axis misalignment, strong radial displacement, small flexibility and large axial displacement, allowing axial, radial and angular displacement. The JMIIJ High Quality Double Disc Flexible Diaphragm Coupling are different from the common diaphragm couplings. They not only connect the intermediate shaft, extend the transmission distance, but also have 2 diaphragms to increase the flexibility compensation amount, so they are also called double diaphragm couplings.

JMIIJ High Quality Flexible Diaphragm Coupling can accurately transfer speed, operation without rotation difference, and can be used for precision mechanical transmission. The transmission efficiency is up to 99.86% in the transmission, especially for medium and high speed high power transmission. It is simple in structure, light in weight, small in volume and convenient in assembly and dismantling. Do not have to move the machine to install, without lubrication. Adapt to the high temperature (-80+300) and the bad environment work, and can be operated safely under the condition of shock and vibration. It has obvious shock absorption, no noise, no wear and tear.

JMIIJ Type Diaphragm Coupling Basic Parameter And Main Dimension(JB/T9147-1999)

Type Nominal torque
Tn
Peak torque
Tmax
Max
Speed
nmax
Bore
Diameter
d,d1
Bore length D D1 D2 L1min t Mass Rotary
inertia
J1 type Y
type
L
(recommend)
L1min Every 1meter of mass added
L
N·m N·m r·min-1 mm kg kg·m2
JMIIJ1 63 100 9300 20,22,24 38 52 40 92 53 45 70 8±0.2 2 4.1 0.002
25,28 44 62
30,32,35,38 60 82
JMIIJ2 100 200 8400 25,28 44 62 45 102 63 80 2.9 0.003
30,32,35,38 60 82
40,42,45 84 112
JMIIJ3 250 400 6700 30,32,35,38 60 82 55 128 77 76 96 11±0.3 5.7 8 0.009
40,42,45,48,50,55 84 112
JMIIJ4 500 800 5900 35,38 60 82 65 145 91 116 8.5 0.017
40,42,45,48,50,55,56 84 112
60,63,65 107 142
JMIIJ5 800 1250 5100 40,42,45,48,50,55,56 84 112 75 168 105 102 136 14±0.3 12.5 12 0.034
60,63,65,70,71,75 107 142
JMIIJ6 1250 2000 4750 45,48,50,55,56 84 112 80 180 112 140 15±0.4 16.5 0.053
60,63,65,70,71,75 107 142
80 132 172
JMIIJ7 2000 3150 4300 50,55,56 84 112 200 120 114 21 19 0.082
60,63,65,70,71,75 107 142
80,85 132 172
JMIIJ8 2500 4000 4200 55,56 84 112 205 120 20±0.4 23 0.092
60,63,65,70,71,75 107 142
80,85 132 172
JMIIJ9 3150 5000 4000 55,56 84 112 90 215 128 127 160 20±0.4 27 21 0.117
60,63,65,70,71,75 107 142
80,85,90 132 172
JMIIJ10 4000 6300 3650 60,63,65,70,71,75 107 142 100 235 132 170 23±0.5 36 0.191
80,85,90,95 132 172
JMIIJ11 5000 8000 3400 60,63,65,70,71,75 107 142 250 145 140 42 26 0.252
80,82,90,95 132 172
100 167 212
JMIIJ12 6300 10000 3200 60,63,65,70,71,75 107 142 110 270 155 190 50 0.349
80,85,90,95 132 172
100,110 167 212115
JMIIJ13 8000 12500 2850 65,70,71,75 107 142 115 300 162 165 200 27±0.6 66 47 0.56
80,85,90,95 132 172
100,110 167 212
JMIIJ14 10000 16000 2700 70,71,75 107 142 125 320 176 220 78 0.75
80,85,90,95 132 172
100,110,120,125 167 212
JMIIJ15 12500 20000 2450 75 107 142 140 350 186 240 32±0.7 110 51 1.26
80,85,90,95 132 172
100,110,120,125 167 212
130 202 252
JMIIJ16 16000 25000 2300 80,85,90,95 132 172 145 370 203 219 250 125 72 1.63
100,110,120,125 167 212
130,140 202 252
JMIIJ17 20000 31500 2150 90,95 132 172 165 400 230 290 160 2.45
100,110,120,125 167 212
130,140,150 202 252
160 242 302
JMIIJ18 25000 40000 1950 100,110,120,125 167 212 175 440 245 300 38±0.9 220 3.99
130,140,150 202 252
160,170 242 302
JMIIJ19 31500 50000 1850 100,110,120,125 167 212 185 460 260 267 320 245 89 4.98
130,140,150 202 252
160,170,180 242 302
JMIIJ20 35500 56000 1800 120,125 167 212 200 480 280 267 350 38±0.9 275 89 6.28
130,140,150 202 252
160,170,180 242 302
190,200 282 352
JMIIJ21 40000 63000 1700 120,125 167 212 210 500 295 370 320 7.68
130,140,150 202 252
160,170,180 242 302
190,200 282 352
JMIIJ22 50000 80000 1600 140,150 202 252 220 450 310 299 380 44±1 400 110 11.6
160,170,180 242 302
190,200,220 282 352
JMIIJ23 63000 100000 1450 140,150 202 252 240 600 335 356 410 50±1.2 560 145 19.8
160,170,180 242 302
190,200,220 282 352
240 330 410
JMIIJ24 80000 125000 1400 160,170,180 242 302 255 620 350 440 620 23.6
190,200,220 282 352
240,250 330 410
JMIIJ25 90000 140000 1300 180 242 302 275 660 385 480 740 31.9
190,200,220 282 352
240,250,260 330 410
280,300 380 470
JMIIJ26 12000 180000 1200 190,200,220 282 352 295 720 410 406 510 60±1.4 970 190 50.4
240,250,260 330 410
280,300 380 470
JMIIJ27 140000 200000 1150 220 282 352 300 740 420 520 1050 57
240,250,260 330 410
280,300 380 470
JMIIJ28 160000 224000 1100 240,250,260 330 410 320 770 450 457 560 1200 215 69.4
280,300 380 470
JMIIJ29 180000 280000 1050 250,260 330 410 350 820 490 600 1400 95.5
280,300,320 380 470
340 450 550
JMIIJ30 280000 450000 1000 280,300,320 380 470 350 875 480 559 620 50±1.6 1400 235 96.5
340,360 450 550 550 109.5
JMIIJ31 400000 630000 930 300,320 380 470 935 520 610 630 60±1.0 1800 290 142
340,360,380 450 550 560 152
400 540 650 600 162
JMIIJ32 450000 710000 880 320 380 470 380 1030 480 622 690 2250 330 194
340,360,380 450 550 600 224
400,420 540 650 640 240
JMIIJ33 560000 900000 820 360,380 450 550 400 1080 580 660 726 66±2.2 2750 390 271
400,420,440,450,460 540 650 700 325
JMIIJ34 1000000 1600000 740 400,420,440,450 540 650 460 1160 620 750 836 70±2.3 3500 450 387
160,480,500 540 650 750 465
JMIIJ35 1400000 2240000 680 400,420,440,450,480,500 540 650 520 1290 790 820 946 10±2.6 5000 570 750
530,560 680 800 840 810
JMIIJ36 2000000 3150000 620 480,500 540 650 570 1410 760 900 1040 92±2.8 6600 710 1050
530,560,600 680 800 920 1290
JMIIJ37 2800000 4000000 570 450,460,480,500 540 650 610 1530 810 1000 1100 105±3 8400 880 1630
530,560,600 680 800 980 1950
JMIIJ38 4000000 6000000 520 560,600,630 680 800 670 1670 950 1100 1210 115±3.4 11000 1050 2670
670,710 780 1070 3030
JMIIJ39 5000000 8000000 480 600,630 680 800 730 1830 970 1200 1320 125±3.7 14500 1350 4060
670,710,750 780 1170 4800
JMIIJ40 6300000 10000000 430 670,710,750 780 800 2000 1140 1300 1450 130±4 19000 1600 6600
800,850 880 1290 7500
JMIIJ41 8000000 12500000 400 750 780 2200 1260 1400 1600 140±4.4 2500 1850 10400
800,850 880 1420 11900
JMIIJ42 10000000 16000000 350 800,850 880 960 2400 1370 1500 1760 32000 2100 15200
900,950 980 1550 17400

·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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flexible flange coupling

Materials Used in Manufacturing Flexible Flange Couplings and Their Impact on Performance

Flexible flange couplings are commonly manufactured using various materials, each offering specific properties that can impact their performance in mechanical power transmission systems. The choice of material depends on factors such as application requirements, operating conditions, torque and speed demands, and environmental considerations. Some of the commonly used materials and their impact on performance are as follows:

  1. Elastomeric Materials (Rubber, Polyurethane, etc.): Elastomeric materials like rubber and polyurethane are widely used in flexible flange couplings. These materials provide excellent flexibility, which allows them to handle misalignment and dampen vibrations effectively. They can also absorb shocks and reduce transmission of torsional vibrations between shafts, contributing to smoother operation and reduced wear on connected machinery. However, elastomeric couplings may have limitations in high-temperature or aggressive chemical environments.
  2. Metal Alloys (Steel, Stainless Steel, etc.): Metal alloys, such as steel and stainless steel, are preferred when higher torque and load-carrying capacities are required. They offer superior strength and durability, making them suitable for heavy-duty applications. Stainless steel is particularly resistant to corrosion and is often used in harsh or corrosive environments. Metal couplings may not provide as much flexibility as elastomeric ones, but they compensate with higher torque transmission capabilities and increased reliability.
  3. Composite Materials (Fiberglass, Carbon Fiber, etc.): Composite materials are gaining popularity in various industries due to their unique combination of properties. They can offer a balance of flexibility and strength, making them suitable for applications where both misalignment accommodation and high torque transmission are necessary. Composite couplings are often lightweight, which can be advantageous for reducing the overall weight of rotating systems.
  4. Plastics (Nylon, Delrin, etc.): Plastics are sometimes used in less demanding applications where cost-effectiveness and low friction are essential. While they may not provide the same level of performance as elastomeric or metal couplings, they can still serve adequately in specific settings with lower torque and speed requirements.

The choice of material for flexible flange couplings must consider factors such as application-specific needs, environmental conditions, temperature range, chemical exposure, and maintenance requirements. It is essential to select a coupling material that matches the demands of the application to ensure optimal performance, longevity, and reliability.

flexible flange coupling

Flexibility of Retrofitting Flexible Flange Couplings for Improved Performance

Yes, flexible flange couplings can be retrofitted into existing systems to improve performance. Retrofitting is a cost-effective solution for upgrading older machinery or systems without the need for significant modifications or replacements.

Here are the key points to consider when retrofitting flexible flange couplings:

  • Compatibility: Before retrofitting, ensure that the selected flexible flange coupling is compatible with the existing system. Check the dimensions, torque capacity, and other specifications to ensure a proper fit and reliable performance.
  • Misalignment Compensation: Flexible flange couplings can accommodate misalignments, making them suitable for retrofitting into systems where misalignments may have occurred over time due to wear and tear or other factors. They can help restore proper alignment and improve system efficiency.
  • Vibration Reduction: If the existing system experiences excessive vibrations, retrofitting with flexible flange couplings can help dampen these vibrations and reduce the stress on components, leading to improved overall system performance and reliability.
  • Torque Transmission: Flexible flange couplings are designed to transmit high torques, which is beneficial for retrofitting into systems where torque requirements may have increased or changed since the original coupling was installed.
  • Installation: Retrofitting should be done carefully and by following the manufacturer’s guidelines. Proper installation ensures that the flexible flange coupling operates as intended and provides the desired performance improvements.
  • System Evaluation: Before retrofitting, evaluate the overall system to identify any potential issues that may need to be addressed. Retrofitting with flexible flange couplings can enhance performance, but it’s essential to ensure that other components are in good condition and suitable for continued operation.

Flexible flange couplings offer versatility and adaptability, making them a viable option for retrofitting into various mechanical systems. They can improve the system’s performance, reduce maintenance requirements, and extend the service life of the equipment.

However, it’s advisable to consult with coupling manufacturers or engineering experts to determine the best type and size of flexible flange coupling for the specific retrofitting application. They can provide valuable insights and recommendations to ensure a successful and effective retrofitting process.

flexible flange coupling

Key Design Considerations for Flexible Flange Couplings in Power Transmission Systems

When using flexible flange couplings in power transmission systems, several critical design considerations should be taken into account to ensure optimal performance, reliability, and longevity of the coupling:

  • Misalignment Tolerance: One of the primary advantages of flexible flange couplings is their ability to compensate for misalignment between shafts. It is essential to determine the expected magnitude and type of misalignment (angular, parallel, or axial) that the coupling will encounter and select a coupling with appropriate misalignment tolerance.
  • Torsional Stiffness: While flexible flange couplings offer some level of compliance to dampen vibrations, excessive torsional flexibility can lead to decreased system stability. Choosing a coupling with the right balance of flexibility and stiffness is crucial for maintaining the desired torsional characteristics.
  • Torque Rating: The coupling’s torque rating must match or exceed the maximum torque requirements of the application. It is essential to consider the starting torque, peak torque, and continuous torque to avoid overloading the coupling.
  • Speed Rating: The coupling’s speed rating should be suitable for the operating speed of the system. High-speed applications may require couplings designed to withstand higher centrifugal forces.
  • Service Environment: Consider the environmental conditions in which the coupling will operate. Factors such as temperature extremes, presence of moisture or chemicals, and exposure to corrosive agents can impact the choice of materials and coatings for the coupling.
  • Space Constraints: The available space for the coupling installation may dictate the coupling’s dimensions and design. It is essential to select a compact coupling that fits within the allocated space while maintaining the required performance.
  • Material Selection: The choice of material for the flexible element (elastomeric, metallic, or composite) and the flanges should be based on factors such as torque requirements, misalignment compensation, and environmental compatibility.
  • Dynamic Balancing: In high-speed applications, dynamic balancing of the coupling can help minimize vibrations and improve the overall system’s reliability and service life.
  • Alignment: Although flexible flange couplings can tolerate misalignment, proper initial shaft alignment is still essential to reduce wear and maximize coupling life.
  • Load Distribution: Ensure that the coupling distributes the transmitted load evenly between the shafts to prevent localized stress concentration and premature failure.

Conclusion: Selecting the right flexible flange coupling for a power transmission system requires careful consideration of various design parameters. By understanding the application’s requirements and the coupling’s capabilities, engineers can ensure that the coupling will perform optimally and reliably, leading to efficient power transmission and reduced maintenance needs.

China wholesaler OEM Flange Double Flexible Coupling Diaphragm  China wholesaler OEM Flange Double Flexible Coupling Diaphragm
editor by CX 2024-02-11

flexible flange coupling

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

Please contact us for details.

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