Tag Archives: flexible propeller shaft coupling

China OEM Disc Coupling Manufacturers Flexible Propeller Shaft Coupling

Product Description

Hot Sale Flexible Disc Coupling-Sleeve Double Disc Type /DC-S2 Series/Spline Coupling /Shaft Coupling /Shaft Sleeve

Product Description

Mighty can produce full series of Tyre Coupling;The purpose of the coupling is to connect 2 shafts of different mechanisms (the driving axis and the driven axis) to rotate together and transfer torque.

DC-34-S2:OD 34 mm  Disc Coupling-Sleeve Double Disc Type,Multi-disc with sleeve type coupling

Material: Aluminum or  steel;
ore type: Finished Bore/Stock Bore;
Features: High torque capacity and anticlockwise rotational characteristics

                Stainless steel disc absorbs angular and shaft misalignments

                For servomotor,stepmotor connect

                Clamp type
 

Single Disk type Double Disk type
Disc Coupling-Tubular Single Disc type(DC-T1 Series) Disc Coupling-Tubular Single Disc type(DC-T2 Series)

 

 

Single Disk type Double Disk type
Disc Coupling-Sleeve Single Disc Type(DC-S1 Series) Disc Coupling-Sleeve Single Disc Type(DC-S2 Series)

Single Disk type Double Disk type
Disc Coupling-Sleeve Single Disc Type(DC-S1 Series) Disc Coupling-Sleeve Single Disc Type(DC-S2 Series)

 

Other Type of Couplings:

 

 

Company Information

MIGHTY, a brand belongs to SCMC Corp. which is a wholly state-owned enterprise established in 1980, is specialized in producing precision mechanical power transmission products. After years of hard work, Mighty has already got the certificate of ISO9001:2000 and become a holding company of 3 manufacturing factories.
 

OUR COMPANY

ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

 

Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

 

 

Main Products:

Timing belt pulleys, timing bars, timing belt clamping plates.

Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.

V belt pulleys and taper lock bush.

Sprockets, idler, and plate wheels.

Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.

Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.

Forging, Casting, Stamping Parts.
Other customized power transmission products and Machining Parts (OEM).

Application

 

1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.

2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.

3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.

4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.

5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.

6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.

7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.

8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.

9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.

10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.

 

FAQ

Q: Are you trading company or manufacturer ?
A: We are factory.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:

 

Contacts

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!

 

disc coupling

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.

disc coupling

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 coupling

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.

China OEM Disc Coupling Manufacturers Flexible Propeller Shaft Coupling  China OEM Disc Coupling Manufacturers Flexible Propeller Shaft Coupling
editor by CX 2023-12-14

China Professional Disc Coupling Manufacturers Shaft Propeller Disk-Type Flexible Coupling

Product Description

Item No. φD L W L1 M Tighten the strength(N.m)
SG7-8-C19- 19.5 20 1.2 9.4 M2.5 1
SG7-8-C26- 26 25.5 2.5 11.5 M3 1.5
SG7-8-C34- 34 32.3 3.3 14.5 M4 1.5
SG7-8-C39- 39 34.1 4.1 15 M4 2.5
SG7-8-C44- 44 34.5 4.5 15 M4 2.5
SG7-8-C50- 50 40.5 4.5 18 M5 7
SG7-8-C56- 56 45 5 20 M5 7
SG7-8-C68- 68 54 6 24 M6 12
SG7-8-C82- 82 68 8 30 M8 16
SG7-8-C94- 94 68 8 30 M8 28
SG7-8-C104- 104 70 10 30 M8 28

Item No. Rated torque Maximum Torque Max Speed Inertia Moment N.m rad RRO Tilting Tolerance End-play Weight:(g)
SG7-8-C19- 1N.m 2N.m 10000prm 0.65×10-6kg.m² 200N.m/rad 0.04mm 1c ±0.2mm 12
SG7-8-C26- 1.4N.m 2.8N.m 10000prm 1.8×10-6kg.m² 690N.m/rad 0.04mm 1c ±0.2mm 31
SG7-8-C34- 2.8N.m 5.6N.m 10000prm 7.2×10-6kg.m² 1650N.m/rad 0.04mm 1c ±0.2mm 64
SG7-8-C39- 5.8N.m 11.6N.m 10000prm 1.8×10-5kg.m² 2500N.m/rad 0.04mm 1c ±0.2mm 97
SG7-8-C44- 8.7N.m 17.4N.m 10000prm 2.5×10-5kg.m² 2900N.m/rad 0.04mm 1c ±0.2mm 113
SG7-8-C50- 15N.m 30N.m 10000prm 8.2×10-5kg.m² 6700N.m/rad 0.04mm 1c ±0.2mm 195
SG7-8-C56- 25N.m 50N.m 10000prm 1×10-4kg.m² 8400N.m/rad 0.04mm 1c ±0.2mm 263
SG7-8-C68- 55N.m 110N.m 10000prm 1.9×10-4kg.m² 11500N.m/rad 0.04mm 1c ±0.2mm 445
SG7-8-C82- 80N.m 160N.m 10000prm 7×10-4kg.m² 14550N.m/rad 0.04mm 1c ±0.2mm 892
SG7-8-C94- 185N.m 370N.m 10000prm 1.23×10-3kg.m² 16900N.m/rad 0.04mm 1c ±0.2mm 950
SG7-8-C104- 255N.m 510N.m 10000prm 1.86×10-3kg.m² 25100N.m/rad 0.04mm 1c ±0.2mm 1190

disc coupling

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.

disc coupling

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:

  1. Regular Inspections: Conduct visual inspections to identify signs of wear, corrosion, or damage. Regular checks help detect issues early.
  2. Lubrication: Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants. Proper lubrication reduces friction and wear between disc elements.
  3. Alignment: Ensure proper alignment of the coupling and connected shafts. Misalignment can lead to premature wear and decreased coupling efficiency.
  4. Torque Monitoring: Monitor torque levels and load variations to identify abnormal fluctuations. Address sudden changes promptly to prevent further damage.
  5. Vibration Analysis: Use vibration analysis tools to detect and mitigate excessive vibration. Vibration can accelerate wear and affect machinery performance.
  6. Temperature Management: Monitor operating temperatures to avoid overheating. Excessive heat can lead to premature wear and material degradation.
  7. Load Consideration: Ensure the coupling is not subjected to loads beyond its capacity. Overloading can lead to accelerated wear and potential failure.
  8. Environmental Factors: Protect the coupling from contaminants, moisture, and corrosive substances that can accelerate deterioration.
  9. Timely Repairs: Address any identified issues promptly. Replace worn or damaged components to prevent further degradation.
  10. 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.

disc coupling

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.

China Professional Disc Coupling Manufacturers Shaft Propeller Disk-Type Flexible Coupling  China Professional Disc Coupling Manufacturers Shaft Propeller Disk-Type Flexible Coupling
editor by CX 2023-09-05