Traditional mechanical transmission structures mainly include various gear structures, pulley structures, chain structures, and worm gear structures. These existing devices have advantages such as a constant transmission ratio and the ability to transmit high power. However, all these structures require the driving and driven components to be in contact with each other during transmission, resulting in wear, vibration, and noise. Additionally, there are lubrication requirements, and precision may also be affected. In terms of sealing performance, since these structures all require shaft seals using packing or other methods, which are contact seals, they are prone to leakage due to wear, and the sealing effect is not ideal. As a result, some mechanisms, especially those with special transmission requirements, have relatively complex structural forms, and many factors affecting the system's dynamic performance are difficult to avoid. Currently, MagicMAG's innovative permanent magnet magnetic coupling has found applications in these fields.
MagicMAG permanent magnet magnetic coupling is a type of coupling transmission that enables non-contact power transmission. It utilizes the attractive and repulsive forces generated between the permanent magnets installed on the driving and driven poles of the transmission components to achieve contactless power transmission from the prime mover. It eliminates the dynamic seals found in traditional transmission devices, achieving static sealing and zero leakage. In this regard, in some special application scenarios, permanent magnet magnetic coupling transmission will replace some mechanical transmission forms.
When applied to transmission systems, MagicMAG permanent magnet magnetic coupling can completely separate the driving and driven components and enable combinations of various motion forms, simplifying the structural forms of many complex transmission mechanisms. Compared with traditional mechanical transmission devices, MagicMAG permanent magnet magnetic coupling has the following advantages:
Vibration Isolation: MagicMAG permanent magnet magnetic coupling can avoid the transmission of vibrations, ensuring smooth operation of the working machinery. This is because there is no contact or rigid connection between the driving and driven rotors, so any sudden changes or vibrations in the driving component will not be directly transmitted to the driven component. Similarly, sudden changes or vibrations in the driven component will not affect the working state of the driving component, thereby avoiding the transmission of vibrations or sudden changes and ensuring smooth operation of the working machinery.
Overload Protection: When the load on the driven component suddenly increases and exceeds the limit during operation, the two components can slip and stop the transmission of torque, avoiding the risk of damage to the driven component when it cannot operate normally (e.g., the driving axis is locked or there is sweeping contact). This also protects the motor.
Ease of Maintenance: The gap between the driving and driven components of the magnetic coupling simplifies the structure compared to ordinary mechanical transmission devices, making it easy to install, uninstall, maintain, and debug, thereby improving the working efficiency of the equipment.
Versatile Motion Transmission: MagicMAG permanent magnet magnetic coupling can transmit power through linear motion, rotary motion, or a combination of linear and rotary motion in a helical compound motion. It can also be combined with different mechanical structures to achieve ordered motion in three-dimensional space, displacement over a certain distance, and directional motion at any angle, enabling power transmission in various motion forms.
Zero Leakage: MagicMAG permanent magnet magnetic coupling converts the dynamic seal of shaft power transmission into a static seal, achieving zero-leakage power transmission. This is mainly achieved through the force characteristics of magnetic drive. Since magnetic drive does not require physical contact or connection between the two permanent magnets, there is no need for a driving axis (or transmission rod) to pass through the container wall to achieve the working purpose. This enables static sealing during the power transmission process, completely eliminating leakage and improving the reliability of the working machinery. In production processes or material conveying in industries such as petroleum, chemicals, pharmaceuticals, offshore oil well operations, non-ferrous metal smelting, wet beneficiation, and food, the use of magnetically driven pumps can completely avoid the leakage of toxic, harmful, flammable, explosive, strongly acidic, or strongly alkaline corrosive media, protecting operator safety and preventing environmental pollution. This aligns with today's strategic guidelines for environmental protection, civilized production, and sustainable development.
Convenience in Installation and Maintenance: MagicMAG permanent magnet magnetic coupling is easy to install, uninstall, debug, and maintain due to its structurally simple design and the gap between the driving and driven components. This reduces the difficulty and labor intensity of equipment maintenance while improving work efficiency. Especially in special application fields with strict requirements for isolation, sealing, and vibration, such as vacuum, chemicals, and nuclear power, permanent magnet magnetic coupling occupies an irreplaceable position.
With the continuous advancement of magnetic technology, MagicMAG's high-torque magnetic transmission devices are bound to replace traditional mechanical coupling technologies, driving further innovations in transmission technology.
www.magicmag-tech.com
SHANGHAI GAOLV E&M TECHNOLOGY CO.,LTD.
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