Basic characteristics of magnetic powder clutch (magnetic powder brake)
Source：Huizhou Aibo Automatic Control Equipment Co., Ltd
The basic characteristics of the magnetic powder clutch (magnetic powder brake):
(1) torque characteristics
Since the magnetic powder clutch uses the magnetic iron powder as a medium for torque transmission, its torque characteristics are different from those of the friction plate type clutch, and regardless of the slip speed, a transmission torque proportional to the exciting current can be obtained. In other words, the magnetic powder clutch has no difference between the static friction torque and the dynamic friction torque, and the desired torque characteristics can be obtained.
(2) operating characteristics
Magnetic clutch and friction plate clutch is different from the current began to rise does not appear due to the armature suction caused by the instantaneous reduction, but by the exponential function of the increase in torque boost hysteresis current is very small, even if the drive side and the driven end Fully connected, the torque will rise to the current set by the set torque, and then to a certain torque to accelerate. This feature with the large heat capacity of the clutch nature, suitable for buffer start. The magnetic powder clutch is also the same as the friction plate clutch. If the starting current is controlled, the starting torque will also change rapidly.
(3) allow the connection power and allow continuous slip power
The magnetic particle clutch has a larger outer diameter and a higher quality than the friction plate type, and allows the connection power to be large due to the use of a magnetic powder (magnetic iron powder) having heat and abrasion resistance, and in the range of allowable continuous slip power , Can also be used in the state of continuous slip. In addition, to allow continuous slip power due to natural cooling, forced air cooling, water cooling and other cooling methods vary.