Product Description
JMIJ Type With Intermediate Diaphragm Shaft Coupling (JMIJ)
JM series diaphragm flexible coupling is widely used in 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.
The main characteristics of JM Series Diaphragm Coupling:
1.Compensation 2 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 environment, and can be in shock, vibration, safety and dynamic conditions.
5.Simple structure, light weight, small size, convenient assembly and disassembly. Without moving the machine can be disassembled (with intermediate type), no need of 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 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.
JMIJ Type Diaphragm Coupling Main Dimension(JB/T9147-1999)
| Type | Nominal torque Tn |
Peak torque Tmax |
Max Speed np |
Bore diameter d |
Bore Length | D | t | L2 min |
Mass | Rotary inertia | |||
| Y type | J,J1,Z,Z1 type | L(recommend) | |||||||||||
| L | L | L1 | |||||||||||
| N·m | N·m | r·min-1 | mm | kg | kg·m2 | ||||||||
| JMIJ1 | 25 | 80 | 6000 | 14 | 32 | – | J127 Z120 |
35 | 90 | 8.8 | 100 | 1.8 | 0.0013 |
| 16,18,19 | 42 | 30 | |||||||||||
| 20,22 | 52 | 38 | |||||||||||
| JMIJ2 | 63 | 180 | 5000 | 18,19 | 42 | 30 | 45 | 100 | 9.5 | 2.4 | 0.002 | ||
| 20,22,24 | 52 | 38 | |||||||||||
| 25 | 62 | 44 | |||||||||||
| JMIJ3 | 100 | 315 | 5000 | 20,22,24 | 52 | – | 38 | 50 | 120 | 11 | 120 | 4.1 | 0.0047 |
| 25,28 | 62 | 44 | |||||||||||
| 30 | 82 | 60 | |||||||||||
| JMIJ4 | 160 | 500 | 4500 | 24 | 52 | 38 | 55 | 130 | 12.5 | 5.4 | 0.0069 | ||
| 25,28 | 62 | 44 | |||||||||||
| 30,32,35 | 82 | 60 | |||||||||||
| JMIJ5 | 250 | 710 | 4000 | 28 | 62 | 44 | 60 | 150 | 14 | 140 | 8.8 | 0.5711 | |
| 30,32,35,38 | 82 | 60 | |||||||||||
| 40 | 112 | 84 | |||||||||||
| JMIJ6 | 400 | 1120 | 3600 | 32,35,38 | 82 | 82 | 60 | 65 | 170 | 15.5 | 13.4 | 0.5711 | |
| 40,42,45,48, 50 |
112 | 112 | 84 | ||||||||||
| JMIJ7 | 630 | 1800 | 3000 | 40,42,45,48, 50,55,56 |
112 | 112 | 84 | 70 | 210 | 19 | 150 | 22.3 | 0..76 |
| 60 | 142 | – | 107 | ||||||||||
| JMIJ8 | 1000 | 2500 | 2800 | 45,48,50,55, 56 |
112 | 112 | 84 | 80 | 240 | 22.5 | 180 | 36 | 0.1602 |
| 60,63,65,70 | 142 | 107 | |||||||||||
| JMIJ9 | 1600 | 4000 | 2500 | 55,56 | 112 | 84 | 85 | 260 | 24 | 220 | 48 | 0.2509 | |
| 60,63,70,71, 75 |
142 | 107 | |||||||||||
| 80 | 172 | 132 | |||||||||||
| JMIJ10 | 2500 | 6300 | 2000 | 63,65,70,71,75 | 142 | 142 | 107 | 90 | 280 | 17 | 250 | 85 | 0.5159 |
| 80,85,90,95 | 172 | – | 132 | ||||||||||
| JMIJ11 | 4000 | 9000 | 1800 | 75 | 142 | 142 | 107 | 95 | 300 | 19.5 | 290 | 112 | 0.8223 |
| 80,85,90,95 | 172 | 172 | 132 | ||||||||||
| 100,110 | 212 | – | 167 | ||||||||||
| JMIJ12 | 6300 | 12500 | 1600 | 90,95 | 172 | 132 | 120 | 340 | 23 | 300 | 152 | 1.4109 | |
| 100,110,120,125 | 212 | 167 | |||||||||||
Production Pictures
♦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 artwork.
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
Materials Used in Manufacturing Disc Couplings
Disc couplings are typically constructed using a combination of high-quality materials that contribute to their durability, strength, and performance. Some commonly used materials include:
- Stainless Steel: Stainless steel is a popular choice due to its corrosion resistance and high strength-to-weight ratio. It ensures longevity and can withstand harsh environments.
- Aluminum: Aluminum is known for its lightweight properties and is often used in applications where weight reduction is essential while maintaining reasonable strength.
- Steel: Carbon or alloy steel is chosen for its robustness and ability to handle high torque loads and harsh operating conditions.
- Bronze or Brass: These materials can be used in specific applications where electrical conductivity is a concern, or when friction and wear properties are important.
The selection of materials depends on factors such as the coupling’s intended application, torque requirements, environmental conditions, and the desired balance between strength, weight, and resistance to wear and corrosion.
Unique Construction of Disc Couplings for Vibration Dampening and Resonance Control
The distinctive construction of disc couplings plays a vital role in their ability to dampen vibrations and control resonance:
- Flexible Disc Packs: Disc couplings consist of multiple thin metal discs stacked alternately. These discs are connected to the hub and spacer, creating a flexible structure that can absorb and dissipate vibrations.
- Radial Compliance: The flexible discs allow for radial compliance, enabling the coupling to absorb misalignments and shocks, which helps prevent the transmission of vibrations.
- Torsional Flexibility: The flexible nature of the disc packs provides torsional flexibility, allowing the coupling to absorb torsional vibrations and shocks that may arise from the machinery.
- Resonance Damping: The design of disc couplings helps dampen resonant frequencies. The unique construction disperses energy across the flexible elements, reducing the risk of resonant vibration buildup.
- Material Selection: The choice of materials for the discs plays a role in controlling resonance. The right combination of material properties can help mitigate the effects of resonance.
By efficiently absorbing and dissipating vibrations and controlling resonance, disc couplings contribute to smoother operation, reduced wear and tear on machinery components, and enhanced overall system performance.
Types of Disc Couplings for Specific Uses
Disc couplings come in various designs and configurations, each tailored to specific use cases and requirements. Here are some different types of disc couplings designed for specific applications:
- Single Disc Couplings: These couplings consist of two hubs and a single flexible disc element. They are suitable for applications where angular misalignment compensation is the primary requirement.
- Double Disc Couplings: These couplings include two flexible disc elements and three hubs. They provide higher torsional flexibility and axial movement absorption, making them suitable for more demanding applications.
- Spacer Disc Couplings: Spacer disc couplings incorporate a spacer between the flexible disc elements. This design allows for greater axial movement and misalignment compensation.
- Close-Coupled Disc Couplings: These couplings have a compact design with minimal spacing between the hubs and discs. They are commonly used in applications where space constraints are a concern.
- Floating Shaft Disc Couplings: Floating shaft disc couplings are designed for applications where there is a need to connect shafts that are not in the same plane. They can accommodate both angular and axial misalignment.
- High-Speed Disc Couplings: These couplings are specifically engineered to handle high rotational speeds while maintaining precise alignment and minimal vibration.
- Heavy-Duty Disc Couplings: Heavy-duty disc couplings are built to transmit extremely high levels of torque and are often used in demanding industrial applications.
- Customizable Disc Couplings: Some manufacturers offer customizable disc couplings that can be tailored to specific application requirements, such as material selection, size, and design parameters.
The choice of disc coupling type depends on factors such as the level of misalignment, torque transmission requirements, space constraints, and environmental conditions. Selecting the appropriate type ensures optimal performance and reliability in various machinery applications.
editor by CX 2023-09-22