Product Description
JMII Type Basic Diaphragm Coupling without Counterbore (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 Pictures
♦Basic Parameter and Main Dimension
Note: N.m= Norminal Torque; r.min= Max speed of rotation; d.d1= Diameter of shaft hole;
Y L= Length of shaft hole; N.m/rad= Stiffness of torsion; kg.m²= Rotational inertia
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 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
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Industry Standards and Guidelines for Disc Couplings
Disc couplings, like other mechanical components, are subject to various industry standards and guidelines that ensure their safe and reliable operation. Some relevant standards include:
- API Standard 671: This American Petroleum Institute (API) standard provides guidelines for special-purpose couplings for use in petroleum, chemical, and gas industry services. It covers the design, materials, testing, and inspection of couplings, including disc couplings.
- AGMA Standard 9001: The American Gear Manufacturers Association (AGMA) standard 9001 addresses flexible couplings, including disc couplings, and provides recommendations for their design, installation, and maintenance.
- ISO 14691: This International Organization for Standardization (ISO) standard covers general-purpose industrial couplings, including disc couplings, and provides guidance on their selection, installation, and operation.
Manufacturers and engineers often refer to these standards and guidelines to ensure that disc couplings are designed, manufactured, and used according to recognized industry practices. Adhering to these standards helps enhance the reliability, safety, and performance of disc couplings in various industrial applications.
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.
Disc Couplings: Function and Application in Mechanical Systems
A disc coupling is a type of flexible coupling used in mechanical systems to connect two shafts while allowing for angular misalignment, axial movement, and some degree of torsional flexibility. It consists of two hubs with flexible metallic discs, known as diaphragms, positioned between them.
Disc couplings are commonly utilized in various industrial applications where precise power transmission, reliability, and flexibility are essential. Some key features and applications of disc couplings include:
- High Torque Transmission: Disc couplings are designed to transmit high torque loads between shafts while maintaining shaft alignment. The flexible diaphragms can accommodate misalignments and prevent torque overloads on connected equipment.
- Angular Misalignment Compensation: The design of disc couplings allows them to handle angular misalignment between shafts, which can occur due to manufacturing tolerances or dynamic conditions.
- Axial Movement Absorption: Disc couplings can absorb limited axial movement along the shaft axis without transferring excessive forces to the connected components.
- Torsional Flexibility: The metallic diaphragms of disc couplings offer torsional flexibility, enabling them to dampen vibrations and shock loads. This helps protect connected equipment from damage and increases overall system reliability.
- Precision Machinery: Disc couplings are often employed in precision machinery and equipment, such as CNC machines, robotics, pumps, compressors, and servo systems. These applications require accurate motion control and reliable power transmission.
- High-Speed Applications: Due to their balanced design and ability to maintain precise alignment, disc couplings are suitable for high-speed applications where even a small misalignment can lead to vibration and wear.
The ability of disc couplings to provide both flexibility and precise torque transmission makes them a preferred choice in various industries, including manufacturing, aerospace, automotive, and more. Proper selection, installation, and maintenance of disc couplings contribute to improved machinery performance, reduced downtime, and extended component life.
editor by CX 2024-04-15