Product Description
JMIIJ Type Intermediate Shaft 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
Note:
N.m= Norminal Torque; Tmax= Instantaneous maximum torque; r.min= Max speed of rotation;
d.d1= Diameter of shaft hole; Y L= Length of shaft hole; kg= Mass(For every additional metre); kg.m²= Rotational inertia
Allowable Compensation for Diaphragm Coupling
Note:
1. The allowable compensation quantity listed in the table refers to the relative offset of 2 axes formed by the comprehensive factors such as vibration, shock, deformation and temperature change caused by manufacturing error, installation error and working load change under working condition.
2. The maximum allowable angular deviation of the coupling shall not exceed ±5°.
♦Packaging & Shipping
♦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
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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.
Maintaining and Extending the Lifespan of Disc Couplings
Proper maintenance is crucial to ensure the longevity and reliable performance of disc couplings. Here are the best practices:
- Regular Inspections: Conduct visual inspections to identify signs of wear, corrosion, or damage. Regular checks help detect issues early.
- Lubrication: Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants. Proper lubrication reduces friction and wear between disc elements.
- Alignment: Ensure proper alignment of the coupling and connected shafts. Misalignment can lead to premature wear and decreased coupling efficiency.
- Torque Monitoring: Monitor torque levels and load variations to identify abnormal fluctuations. Address sudden changes promptly to prevent further damage.
- Vibration Analysis: Use vibration analysis tools to detect and mitigate excessive vibration. Vibration can accelerate wear and affect machinery performance.
- Temperature Management: Monitor operating temperatures to avoid overheating. Excessive heat can lead to premature wear and material degradation.
- Load Consideration: Ensure the coupling is not subjected to loads beyond its capacity. Overloading can lead to accelerated wear and potential failure.
- Environmental Factors: Protect the coupling from contaminants, moisture, and corrosive substances that can accelerate deterioration.
- Timely Repairs: Address any identified issues promptly. Replace worn or damaged components to prevent further degradation.
- Professional Assistance: If you encounter complex issues, consider involving experienced technicians or engineers for diagnosis and repair.
Following these practices helps maintain optimal performance, extend the lifespan of disc couplings, and contribute to the overall efficiency and reliability of machinery systems.
Design of Disc Couplings for Flexibility and Performance
The design of disc couplings plays a crucial role in providing flexibility and ensuring high-performance torque transmission. Key design elements include:
- Flexibility: Disc couplings consist of multiple thin metal discs arranged in a pack. These discs have slots or cuts that create segments, allowing them to flex and accommodate misalignment. The flexing action provides flexibility in multiple directions, allowing the coupling to handle angular, parallel, and axial misalignment.
- Torsional Stiffness: While providing flexibility, disc couplings also maintain a certain degree of torsional stiffness. This stiffness ensures efficient torque transmission between the shafts and helps maintain accurate positioning in precision applications.
- Material Selection: High-quality materials with appropriate mechanical properties are used to manufacture the discs. These materials must balance flexibility, torsional stiffness, and strength. Stainless steel and other alloys are commonly chosen for their durability and resilience.
- Geometry and Slot Patterns: The design of the slots or cuts in the discs influences the coupling’s flexibility and misalignment capabilities. Engineers optimize the geometry to provide the desired levels of flexibility and torsional stiffness.
- Spacer Elements: Some disc couplings include spacer elements between the discs. These spacers contribute to accurate alignment between the shafts and help prevent edge contact between the discs, reducing wear and enhancing durability.
- Balancing: Balancing the disc coupling reduces vibration and rotational imbalance. Precision machining and balancing techniques ensure that the coupling operates smoothly at various speeds, minimizing stress on the connected machinery.
- Anti-Flailing Designs: In the event of a disc failure, anti-flailing designs prevent the discs from dislodging and causing damage to surrounding equipment or posing a safety hazard.
The combination of these design aspects results in a disc coupling that can handle misalignment, transmit torque efficiently, dampen vibrations, and maintain its performance over a wide range of operating conditions. The flexible yet robust design makes disc couplings suitable for various industrial applications.
editor by CX 2024-02-21