Magnetic powder clutch working principle

1. The coil static magnetic powder clutch and the magnetic powder brake are automatic devices that control the input current and change the output transition.

2. When the coil is not energized, the input shaft rotates, and the magnetic powder is pressed against the inner wall of the clamp ring under the action of centrifugal force, and the output shaft is not in contact with the input shaft. At this time, it is in an idling state.

3. When the coil is energized, the magnetic powder generates a magnetic flux under the action of the magnetic force line, so that the output shaft and the input shaft become a rigid body and rotate, and a slip occurs when the overload occurs, and the working state is at this time. Thereby achieving the purpose of transmitting torque.

The magnetic dielectric undergoes a change in physical properties under the influence of an electromagnetic field, and the main driven portions of the magnetic powder clutch are coupled together. Its work is as follows:

When the electromagnetic loss coil is energized, the magnetic flux forms a broken line through the magnetic dielectric (magnetic powder). The flowing magnetic medium begins to solidify in the magnetic field. When the magnetic field strength is large, the magnetic powder becomes almost a solid, and at the same time, the magnetic powder particles form a magnetic flux between the electromagnet and the driven disk, and the active disk and the electromagnet are connected. The greater the current through the coil of the electromagnet, the greater the number of flux linkages and the stronger the flux linkage. When the flux linkage is strong and strong, the magnetic powder clutch has the ability to transmit torque. When the current through the coil of the electromagnet reaches a certain value, the magnetic dielectric is sufficient to use the active portion of the magnetic powder clutch and the driven split to be tightly coupled, the magnetic powder clutch will stop slipping, and the clutch is fully engaged. When the magnetic field disappears, the magnetic dielectric again becomes a flow break, the connection between the main driven parts of the clutch disappears, and the clutch re-separates.