China Hot selling Disk Flexible Coupling Muff Coupling Transmission Connecting Shaft Joint Connect Coupling muff coupling

Product Description

Item No. φD L φD3 W L1 M Tighten the strength(N.m)
SG7-5-C34- 34 27 21.6 3 12 M3 1.5
SG7-5-C44- 44 34 29.6 4 15 M4 3.4
SG7-5-C56- 56 45 38 5 20 M5 7
SG7-5-C68- 68 54 46 6 24 M6 14
SG7-5-C82- 82 68 56 8 30 M8 25

Item No. Rated torque Maximum Torque Max Speed Inertia Moment N.m rad Tilting Tolerance End-play Weight:(g)
SG7-5-C34- 2.8N.m 5.6N.m 6000prm 3.8×10-6kg.m² 1500N.m/rad 1.0c ±0.15mm 38
SG7-5-C44- 8.7N.m 17.4N.m 6000prm 14.5×10-6kg.m² 3000N.m/rad 1.0c ±0.15mm 84
SG7-5-C56- 25N.m 50N.m 6000prm 48.5×10-6kg.m² 4200N.m/rad 1.0c ±0.15mm 132
SG7-5-C68- 55N.m 110N.m 6000prm 126×10-6kg.m² 6500N.m/rad 1.0c ±0.15mm 232
SG7-5-C82- 80N.m 160N.m 6000prm 565×10-6kg.m² 8600N.m/rad 1.0c ±0.15mm 420

 

Company Profile

HangZhou CHINAMFG Technology Co.,Ltd.is specialized in CNC machine tools accessories .The main products of our company are 4 axis rotary table,5 axis rotary table,water pump, chuck, coupling, end mill grinder,chipping machine,cutter barrel,three-color lamp,knife tower and other accessories With high precision and full varieties are deeply trusted and appreciated by customers.At the same time we have a strong sales team and experienced core service team.we are ready to provide CNC machine tool accessories one-stop solution for you,looking CHINAMFG to cooperating with you and going to a CHINAMFG situation.

FAQ

Q: How long is the quality guarantee?
A: One year guarantee.

Q: How long is the delivery time?
A: Generally it is 3-7 days if the goods are in stock. If the goods are not in stock, it will take 8-20 days.

Q: Do your products have a factory inspection before shipment?
A: 100% self-inspection before shipment.

Q: Can you provide some free samples?
A: Actually we have a very good price principle, when you make the bulk order then cost of sample will be return to you.

Q: What kind of packing do you send?
A: We use high quality cartons, internal environmental protection buffer material.

Q: What is our loading port?
A: Usually in ZheJiang port, or apply for other ports.

To know more details, please contact us online
 

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muff coupling

Are there any specialized tools or techniques required for installing or repairing muff couplings?

Installing and repairing muff couplings may require specialized tools and techniques to ensure proper alignment, assembly, and maintenance. Here are some specialized tools and techniques commonly used:

  • Laser Alignment Tools: Laser alignment tools are crucial for achieving precise alignment between connected shafts. They help minimize misalignment, which can lead to premature wear and reduced coupling performance.
  • Torque Wrenches: Torque wrenches are used to accurately tighten bolts and fasteners to the manufacturer’s specifications. Proper torque ensures secure assembly and prevents issues related to loose fasteners.
  • Bearing Pullers: Bearing pullers are employed to remove bearings from shafts without damaging the components. When repairing a muff coupling, bearing removal may be necessary for inspection or replacement.
  • Lubrication Tools: Specialized lubrication tools, such as grease guns and lubrication fittings, are used to ensure proper lubrication of the coupling components. Adequate lubrication is essential for reducing friction and wear.
  • Non-Destructive Testing Equipment: Non-destructive testing techniques, such as ultrasonic or magnetic particle testing, may require specialized equipment and trained personnel to detect internal defects without causing harm to the components.
  • Hydraulic Press: A hydraulic press is used to press fit components, such as bearings or sleeves, onto shafts or into coupling bores during assembly or repair processes.
  • Balancing Equipment: If the muff coupling is part of a rotating system, balancing equipment is needed to ensure the assembly is properly balanced to prevent vibration and premature wear.
  • Shaft Straightening Tools: In cases of bent shafts, specialized tools are used to straighten shafts to their proper alignment before coupling installation.
  • Professional Expertise: Repairing or installing muff couplings may require the expertise of trained engineers or technicians who are experienced in working with couplings and related equipment.

Using these specialized tools and techniques is essential for proper installation, maintenance, and repair of muff couplings. They help ensure that the couplings function as intended and contribute to the overall efficiency and reliability of machinery systems.

muff coupling

Can you explain the differences between a muff coupling and a flange coupling?

Muff couplings and flange couplings are two distinct types of couplings used in mechanical systems to connect shafts and transmit torque. Here are the key differences between muff couplings and flange couplings:

  • Design:
    • Muff Coupling: A muff coupling consists of two cylindrical sleeves that are placed over the ends of the shafts to be connected. The sleeves are typically keyed to the shafts and may have external flanges for secure fastening.
    • Flange Coupling: A flange coupling consists of two flanges, one on each shaft, which are connected by bolts or screws. The flanges have holes for fasteners and are aligned and bolted together to create the connection.
  • Torque Transmission:
    • Muff Coupling: Muff couplings primarily transmit torque through the frictional grip between the sleeves and the shafts. They may have keyways to prevent slippage.
    • Flange Coupling: Flange couplings transmit torque through the bolted connection between the flanges. The bolts or screws bear the torque load, and the flanges ensure a rigid connection.
  • Alignment:
    • Muff Coupling: Muff couplings require precise alignment of the shafts to prevent misalignment-induced wear. Some muff couplings allow for slight angular misalignment.
    • Flange Coupling: Flange couplings offer more flexibility in alignment due to the bolted connection, allowing for some angular and axial misalignment without excessive wear.
  • Assembly:
    • Muff Coupling: Assembly of muff couplings involves sliding the sleeves onto the shaft ends and securing them in place with fasteners.
    • Flange Coupling: Flange couplings require aligning the flanges, inserting bolts or screws through the holes, and tightening them to create a rigid connection.
  • Applications:
    • Muff Coupling: Muff couplings are commonly used in applications where precise alignment and torque transmission are crucial, such as pumps, compressors, and gearboxes.
    • Flange Coupling: Flange couplings are suitable for applications where alignment flexibility and ease of maintenance are important, such as in conveyor systems and large equipment.

Both muff couplings and flange couplings have their own advantages and limitations. The choice between the two depends on the specific requirements of the application, including torque levels, alignment needs, and ease of maintenance.

muff coupling

How to properly install and assemble a muff coupling in machinery?

Proper installation and assembly of a muff coupling are essential to ensure reliable torque transmission, precise alignment, and optimal performance of machinery. Here’s a step-by-step guide on how to properly install and assemble a muff coupling:

  1. Preparation: Gather all the necessary tools, equipment, and components for the installation process. Ensure that the shafts to be connected are clean, free from debris, and properly aligned.
  2. Shaft Measurement: Measure the diameter of the shafts accurately. This measurement will determine the size of the muff coupling sleeves to be used.
  3. Sleeve Selection: Select muff coupling sleeves that match the measured shaft diameters. The sleeves should fit snugly over the shafts without excessive play.
  4. Keyway Preparation: If the muff coupling has keyways, ensure that the keyways on the shafts and the sleeves are aligned properly. Keyways are used to prevent rotational slippage between the shaft and the coupling.
  5. Lubrication: Apply an appropriate lubricant to the shafts and the inside of the muff coupling sleeves. This lubrication reduces friction during installation and prevents corrosion over time.
  6. Slide Sleeves onto Shafts: Carefully slide the muff coupling sleeves onto the shaft ends. Ensure that the sleeves are aligned with the shafts and can be fully seated against the shoulder or stopping point on the shafts.
  7. Key Insertion: If the muff coupling has keyways, insert the keys into the keyways on the shafts. The keys will help prevent rotational movement between the shafts and the sleeves.
  8. Alignment: Check the alignment of the muff coupling sleeves and the shafts. They should be concentric and aligned without any angular misalignment.
  9. Fastening: Depending on the muff coupling type, secure the sleeves to the shafts using the appropriate fasteners. This may involve tightening bolts or screws to secure the coupling in place.
  10. Tightening: Use a torque wrench to tighten the fasteners to the manufacturer’s recommended torque specifications. Over-tightening can lead to deformation or damage, while under-tightening can result in slippage and inadequate torque transmission.
  11. Final Check: Perform a final inspection to ensure that the muff coupling is securely installed, aligned correctly, and free from any defects. Check for any excessive play or misalignment.

It’s important to follow the manufacturer’s guidelines and recommendations during the installation process. If unsure about any step, refer to the installation instructions provided by the coupling manufacturer.

Improper installation can lead to premature wear, vibrations, and potential failure of the machinery. Therefore, taking the time to properly install and assemble muff couplings is crucial for achieving optimal performance and longevity.

China Hot selling Disk Flexible Coupling Muff Coupling Transmission Connecting Shaft Joint Connect Coupling   muff couplingChina Hot selling Disk Flexible Coupling Muff Coupling Transmission Connecting Shaft Joint Connect Coupling   muff coupling
editor by CX 2024-05-15

Muff coupling

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

Please contact us for details.

Mail: [email protected]

Manufacturer supplier exporter of muff coupling.

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