Product Description

Coupling with Brake

Coupling without Brake
Note:
Customer needs to provide dimensions for d1,L1, d2, L2, C1, C2 and D2. d1 is the shaft diameter of reducer and d2 is the shaft diameter of motor. 

Features:

1. Soft start and soft braking, to reduce the start energy and avoid the voltage shock on the motor. 
2. Over load protection. The coupling can automatically uncouple the motor and the load by means of increasing the internal air gap when over loaded. The coupling will automatically recover when trouble is solved. 
3. Flexible joint and smooth transimission, less vibration.
4. Prolong the lift of components in the transmission system. 
5. Bigger installation deviation is allowed so that the installation process is simplified tremendously. 
6. Easy installation and maintenance, low expense. 
7. No pollution to the gid because of no harmonic wave.
8. Easy to rebuild the old system, and more suitable for building the new transmisstion system. 

Safety instruction
1. Uncovered moving parts would cause body injury. Keep your body away from the moving parts when coupling runs.
2. Heated parts may cause scald. Wear thermal gloves when you are about to maintain the coupling just after it stops.
3. It is hard to part the ferrous metals off from the magnet. Keep the magnet away from the tools. bolts, watches, instruments, CD players, DVC players, phones and rotar. 
4. The magnet would cause malfunction or reset of Pacemaker, electronic medical apparatus.Peoples equipped with those instruments should keep at least 2 CHINAMFG away from the coupling.  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Torque and Speed Limitations of Magnetic Couplings for Different Sizes and Applications

The torque and speed limitations of magnetic couplings depend on various factors, including the size of the coupling and the specific application requirements. Here’s a general overview of these limitations:

• Torque Limitations:

  The torque capacity of a magnetic coupling is influenced by the strength of the magnets used, the size of the coupling, and the materials chosen for the rotor and containment shell. Larger magnetic couplings with stronger magnets and robust materials can handle higher torque requirements.

• Size and Application:

  The size of the magnetic coupling plays a crucial role in determining its torque capacity. Smaller couplings are typically used in low-torque applications, such as laboratory equipment or small pumps. In contrast, larger couplings can handle higher torque demands, making them suitable for industrial-scale pumps and agitators.

• Speed Limitations:

  The maximum speed at which a magnetic coupling can operate depends on several factors, including the rotational speed of the driving and driven shafts and the design of the coupling. High-speed applications, such as centrifugal pumps, require magnetic couplings designed to minimize eddy current losses and ensure stable performance at elevated speeds.

• Specialized Applications:

  Some magnetic couplings are specifically designed for high-speed or high-torque applications, such as in large industrial pumps or agitators. These specialized couplings are engineered with materials and construction techniques to optimize performance under demanding conditions.

• Customization Options:

  Manufacturers of magnetic couplings may offer customization options to tailor the torque and speed ratings to the specific needs of the application. This can involve selecting different magnet configurations, materials, and overall design adjustments to achieve the desired performance characteristics.

It is essential to consult with the coupling manufacturer or a qualified engineer to determine the appropriate magnetic coupling size, torque, and speed ratings for a specific application. Factors such as the fluid properties, load requirements, and environmental conditions should be taken into account to ensure the coupling’s optimal performance and reliability.

How do Magnetic Couplings Contribute to the Overall System Reliability and Prevent Mechanical Wear?

Magnetic couplings offer several advantages that contribute to the overall system reliability and prevent mechanical wear. These benefits are a result of their non-contact power transmission principle and unique design features. Here’s how magnetic couplings achieve this:

1. No Physical Contact:

   Magnetic couplings operate without any physical contact between the driving and driven components. Unlike traditional mechanical couplings that rely on friction and wear-prone components, magnetic couplings use magnetic fields to transfer torque and power. This absence of physical contact eliminates mechanical wear and reduces the need for regular maintenance and replacement of wearing parts.

2. Hermetic Sealing:

   Magnetic couplings often feature a hermetic sealing design that prevents fluid leakage. The driving and driven components are separated by a sealed containment shell, which ensures that there is no direct exposure to the environment or the fluid being handled. This hermetic sealing not only prevents leakage but also protects sensitive components from contamination and external influences, enhancing the overall system reliability.

3. Reduced Friction Losses:

   Since there is no physical contact between the coupling’s components, magnetic couplings experience minimal friction losses during operation. The reduction in frictional forces translates to higher efficiency and lower energy consumption compared to traditional couplings with sliding or rolling elements.

4. Tolerance to Misalignment:

   Magnetic couplings can accommodate a certain degree of misalignment between the driving and driven components. This misalignment tolerance helps to minimize stress on the coupling and connected equipment, reducing the risk of premature wear or failure in situations where perfect alignment may not be achievable or maintained over time.

5. Overload Protection:

   Some magnetic couplings are designed with built-in overload protection features. In case of excessive torque or sudden overloads, these couplings can disengage or slip, preventing damage to the coupling and the connected machinery. This overload protection contributes to the long-term reliability of the system by avoiding potential catastrophic failures.

6. No Lubrication Required:

   Unlike many traditional mechanical couplings that need regular lubrication to reduce friction and wear, magnetic couplings do not require lubrication. The absence of lubricants simplifies maintenance and eliminates the risk of lubricant contamination in sensitive applications.

Overall, magnetic couplings offer a reliable and efficient solution for various applications, especially in industries where the prevention of mechanical wear, fluid leakage, and frequent maintenance are essential considerations. Their non-contact design, hermetic sealing, and tolerance to misalignment make them an attractive choice for critical systems that demand high reliability and performance.

What is a Magnetic Coupling and How Does It Function in Mechanical Power Transmission?

A magnetic coupling is a type of coupling used in mechanical power transmission systems to transfer torque from one shaft to another without direct physical contact. It operates based on the principles of magnetism and is designed to transmit rotational power while allowing a degree of misalignment and isolation between the input and output shafts.

The basic components of a magnetic coupling typically include an outer and inner rotor, both containing permanent magnets. The outer rotor is connected to the input shaft, while the inner rotor is connected to the output shaft. These rotors are separated by a non-magnetic containment shell, creating a magnetic air gap between them.

When the input shaft rotates, the magnets on the outer rotor create a magnetic field that passes through the containment shell and induces a corresponding magnetic field in the inner rotor. The interaction between these magnetic fields causes the inner rotor to rotate synchronously with the outer rotor, effectively transferring torque from one shaft to the other.

The key features and functions of magnetic couplings in mechanical power transmission are as follows:

• Non-Contact Power Transmission:

  Unlike traditional mechanical couplings that require physical contact between components, a magnetic coupling achieves torque transmission through magnetic fields, enabling a non-contact power transfer.

• Misalignment Compensation:

  The magnetic coupling can accommodate a certain amount of misalignment between the input and output shafts. This feature helps prevent excessive forces and wear on the system, improving its overall reliability.

• Isolation and Containment:

  The containment shell between the rotors isolates the input and output shafts, making the magnetic coupling ideal for applications where fluid or gas containment is critical. It allows for hermetically sealed connections in pumps, mixers, and other equipment.

• Overload Protection:

  In case of sudden overload or jamming in the driven system, the magnetic coupling can slip or disengage, protecting the driving motor and components from damage.

• No Lubrication Requirements:

  Since there is no physical contact, magnetic couplings do not require lubrication, reducing maintenance needs and the risk of contamination in sensitive applications.

• No Wear or Friction:

  The absence of mechanical contact eliminates wear and friction between the coupling’s components, leading to a longer service life and higher efficiency.

Magnetic couplings find applications in various industries, such as chemical processing, food and beverage, medical devices, and pumps, where leakage prevention, cleanliness, and reliability are essential.

editor by CX 2024-01-16