Product Description

Coupling Shafts Pump Couplings Power Transmission Couplings

Introduction of Power Transmission Couplings

As 1 of the newly-developed coupling, magnetic coupling is for transmitting torque by magnetic components. It is ideal for torque transmitting between the hazardous inside and outside parts of the high pressure vessel. Magnetic coupling is a key component to achieve non-contact torque transmission and complete no-leakage.
Magnetic coupling is composed of outer magnetic rotor, inner magnetic rotor and isolation cover. The outer magnetic rotor is connected with motor and exposed outside. The inner magnetic rotor and the pump shaft are integrated together, and the whole rotor is contained in the pump housing and the spacer sleeve and is immersed in the transmission medium.
The spacer sleeve, which is between the inner and outer rotor, is fixed on the pump housing so that the pump housing and the isolation sleeve to be a mutually connected and completely sealed chamber.
Magnets are closely arranged along the circumferential direction on the outer cylindrical surface of inner rotor and inner cylindrical surface of outer rotor, forming a combination of push-pull magnetic circuit.
 
Dimensions of CHINAMFG Pump Couplings

Specification Data Required for Magnetic Coupling Quotation
Motor output power(KW)
Motor speed(RPM)
Torque of the magnetic coupling
Working pressure of the housing (isolation sleeve)
Working temperature of magnetic coupling
Connector size of the output part (usually motor)
Technical drawing/Mounting Dimensions of the input part (usually pump)
 
Operating Process Attentions
Magnetic coupling is the middle connecting part of each motion mechanism, it has a direct impact on the normal operation of each motion mechanism.
Therefore, care must be taken when using:
Magnetic couplings are not allowed to have more than the specified axis skew and radial displacement. If the problem is serious, the transmission capacity will decrease and eventually lead to the transmission parts scrapped.
A: The axis skew can cause friction between inner/outer rotor and spacer sleeve, finally lead to rotors and isolation sleeve stuck and scrapped.
B: Problems in the installation of the inner/outer rotor bearing finally lead to rotors and isolation sleeve stuck and scrapped.
C: Magnetic coupling external accessories such as the installation of the rack or bolt must not have loose defects.
D: Be sure to clean up the metal debris and note that there is no metal debris on the inner/outer rotor surface.
E: After installing, manually rotate the motor wind blade to make sure that the unit is functioning smoothly and free of blocking phenomenon.
F: Bearings should be lubricated periodically, usually 2-3 months, in order to avoid serious consequences caused by severe wear.
G: The key of the magnetic coupling should cooperate closely without loose.
 
Project of CHINAMFG Magnetic Couplings

Magnetic drive pumps are sealess pumps that use a balanced magnetic field to move fluid through the pump. The drive magnet and inner magnet are separated by a isolation housing, creating a sealless containment. Due to the simple structure, magnetic pumps save maintenance time of replacing seals and dealing with hazardous leaks.
Magnetic drive pumps are widely used in surface treatment, water treatment, chemical processing, food processing and fluid handling needs in a variety of OEM equipment.

GME core values

Customer Care
Quality is our life. Customer satisfaction is our CHINAMFG pursuit. Everything we do at CHINAMFG is driven by an unyielding passion for CHINAMFG in identifying and delivering solutions that exceed expectations.

Innovation
In today’s fast-developing global economy, innovation is critical to a company’s survival. We anticipate and adapt to changing for continuous improvement.

Co-Prosperity
A business cannot be successful unless it creates prosperity and opportunity for others. We have a dream–customers could win more through our Great Service; we have a dream–GME members could realize their own dreams while striving for CHINAMFG Dream.

Social Responsibility
Sustainability isn’t only important for people and the planet, but also is vital for business success. We are environmentally responsible and drive to sustainability. And we should do something for our better future.

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How to Properly Install a Rigid Shaft Coupling for Optimal Performance and Reliability

Proper installation of a rigid shaft coupling is essential to ensure optimal performance and reliability in mechanical systems. Here are the steps to follow for a successful installation:

1. Shaft Preparation: Ensure that the shafts to be connected are clean, smooth, and free from any burrs or contaminants that could affect the coupling’s performance.
2. Alignment: Align the two shafts accurately to minimize misalignment during installation. The alignment process is critical as any misalignment can lead to premature wear and reduced coupling efficiency.
3. Fitment: Choose the appropriate size of the rigid shaft coupling that matches the shaft diameters. Carefully slide the coupling onto one shaft at a time.
4. Fastening: For one-piece rigid couplings, ensure that the coupling is fitted snugly onto both shafts. For two-piece couplings, bolt the two halves together securely around the shafts.
5. Tightening: Use the recommended torque value and follow the manufacturer’s guidelines to tighten the coupling bolts properly. Over-tightening can cause distortion, while under-tightening can lead to slippage and reduced torque transmission.
6. Inspection: After installation, inspect the coupling to ensure that it is centered and aligned correctly. Check for any signs of misalignment or interference during rotation.
7. Lubrication: Some rigid couplings may require lubrication at the friction points to reduce wear and friction. Follow the manufacturer’s recommendations for lubrication intervals and types.
8. Load Testing: Perform load testing on the system to verify the coupling’s performance and check for any unusual vibrations or noises during operation.
9. Regular Maintenance: Include the rigid coupling in your regular maintenance schedule. Periodically check for signs of wear, misalignment, or damage, and replace the coupling if necessary.

By following these installation steps and best practices, you can ensure that the rigid shaft coupling operates optimally, providing reliable torque transmission and contributing to the overall efficiency and longevity of the mechanical system.

What design considerations are crucial when selecting a rigid shaft coupling for a specific application?

Selecting the right rigid shaft coupling for a specific application involves careful consideration of several design factors to ensure optimal performance and reliability. Here are crucial design considerations to keep in mind:

• Torque Transmission: Determine the maximum torque that the coupling needs to transmit. The coupling’s torque rating should match or exceed the application’s requirements to prevent overloading.
• Shaft Size and Type: Choose a coupling that accommodates the shaft sizes and types of the connected equipment. The coupling’s bore sizes should match the shaft diameters for a secure fit.
• Alignment Capability: Consider the alignment accuracy needed for your application. Rigid couplings offer excellent alignment, but some applications might require higher precision than others.
• Space Constraints: Evaluate the available space around the coupling area. Some couplings might have a compact design suitable for tight spaces, while others might require more clearance.
• Environmental Conditions: Assess the operating environment for factors such as temperature, humidity, and presence of corrosive substances. Choose a coupling with appropriate materials and coatings for durability in the given conditions.
• Shaft Misalignment: Determine the potential misalignments the coupling will need to accommodate. While rigid couplings have limited flexibility, they can handle small misalignments. Consider whether angular or axial misalignments are more significant in your application.
• Operating Speed: Evaluate the rotational speed of the machinery. Some couplings have speed limits, and exceeding these limits can lead to vibrations and premature wear.
• Dynamic Loads: Consider any dynamic loads, shocks, or impacts that the coupling might experience during operation. Choose a coupling that can handle these loads without failure.
• Torsional Rigidity: High torsional rigidity ensures efficient torque transmission and minimizes torsional vibrations. Evaluate whether the coupling’s stiffness aligns with your application’s requirements.
• Attachment Method: Determine how the coupling will be attached to the shafts. Different couplings use set screws, clamps, keyways, or other attachment methods. Select a method that suits your application’s needs.
• Cost Considerations: Balance the desired features with your budget. While more advanced couplings might offer additional benefits, they could also be more expensive.

It’s important to collaborate with coupling manufacturers, engineers, or experts to ensure the selected coupling aligns with the specific demands of your application. Coupling suppliers can provide valuable guidance based on their product knowledge and experience with various applications.

By carefully evaluating these design considerations, you can select a rigid shaft coupling that delivers reliable performance, reduces maintenance needs, and contributes to the overall efficiency of your machinery.

Are There Different Types of Rigid Shaft Couplings Available, and What Are Their Specific Applications?

Yes, there are different types of rigid shaft couplings available, each with its own specific applications. Some common types of rigid shaft couplings include:

• Sleeve Couplings: Sleeve couplings are simple and cost-effective couplings that connect two shafts together using a solid sleeve or tube. They are commonly used in applications with moderate torque requirements and where shaft alignment can be maintained with high precision.
• Clamp or Split Couplings: Clamp or split couplings consist of two halves that are clamped together around the shafts using screws or bolts. They are easy to install and suitable for applications where frequent maintenance or disassembly is required.
• Flanged Couplings: Flanged couplings have flanges on both ends that are bolted together. They are used in applications where shafts need to be rigidly connected and where some degree of axial movement is expected.
• Tapered Shaft Couplings: Tapered shaft couplings have tapered bores that fit tightly onto tapered shafts, creating a friction-based connection. They are often used in applications where precise alignment and torque transmission are essential.
• Keyed Shaft Couplings: Keyed shaft couplings use a key and keyway arrangement to connect the shafts securely. They are commonly used in heavy-duty applications where high torque transmission is required.

The choice of rigid shaft coupling depends on the specific requirements of the application. Factors such as torque transmission, shaft size, alignment precision, ease of installation, and maintenance needs play a crucial role in selecting the appropriate coupling type.

Rigid shaft couplings are widely used in various industries, including manufacturing, power generation, robotics, aerospace, and automotive. They are often employed in applications such as pumps, compressors, conveyors, and high-precision machinery.

It is essential to consider the specific demands of the application and consult with coupling manufacturers or experts to determine the most suitable rigid coupling type for optimal performance and reliability.

editor by CX 2024-02-28