What Factors Affect the Performance of Magnetic Couplings?

• Temperature

  Magnets are prone to demagnetization in high-temperature environments. High temperatures disrupt the ordered arrangement within the magnetic field, leading to field disorder.

• Vibration and Impact

  Magnets may also demagnetize under high-frequency vibration or impact. Violent vibration and impact destroy the ordered arrangement in the magnetic field, causing disorder and demagnetization.

• External Magnetic Field

  Magnetic steel may demagnetize when exposed to strong external magnetic fields, as the strong field can counteract the steel's inherent magnetism.

• Eddy Currents

  During operation, the rotating isolation sleeve between the inner and outer rotors of a permanent magnetic coupling cuts magnetic field lines. Since the isolation sleeve is mostly made of metal, eddy currents are easily induced, forming a closed loop on the sleeve's surface and causing eddy current loss.