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Magnetic powder clutch is an automatic control element with superior performance. It uses magnetic powder as the working medium, and transmits torque by means of the bonding force between the magnetic powder and the frictional force between the magnetic powder and the working surface. The magnetic powder clutch is a combination of a transmission unit (input shaft) and a driven unit (output shaft). The space between the two groups of cells is filled with granular magnetic powder (the rest volume is about 40 microns). When the magnetic coil is not conductive, the torque will not be transmitted from the transmission shaft to the driven shaft. However, if the coil is electromagnetically energized, the magnetic powder will be attracted by the magnetic force to cause hardening, and the torque will be transmitted between successive slips .
Magnetic powder clutches are mainly used in transmission systems with high engagement frequency, which require smooth engagement, need to adjust the start time, or can provide safety protection when overloaded, and require automatic adjustment of torque, speed and constant torque. The performance advantages of magnetic powder clutches are reflected in the following aspects:
(1) During the clutch engagement process, it is easy to achieve a smooth torque increase, so the magnetic powder clutch has a good engagement smooth performance.
(2) Stable constant torque characteristics of magnetic powder The magnetic characteristics of magnetic powder are good, and the binding force between the powder particles is stable, the sliding torque is very stable, and it has no relationship with the relative number of revolutions and can maintain a constant torque for a long time.
(3) Suitable for high-frequency operation with agile and fast response and special heat dissipation structure, suitable for high-frequency operation.
(4) The continuous sliding operation uses a cooling structure with excellent heat dissipation and uniform thermal deformation, coupled with the high heat resistance of magnetic powder, allowing large connection and braking power and sliding power. It can perform smooth sliding operation without causing vibration.
(5) Superior durability and long life The super alloy magnetic powder with heat resistance, wear resistance, oxidation resistance and corrosion resistance is used for long life.
(6) The connection is smooth, and the impact when connecting without impact is extremely small, and it can start and stop smoothly without impact. And the resistance torque is extremely small, which will not cause useless heat generation.
(7) Lightweight, maintenance-free, long life, simple and lightweight, using high temperature resistant coils and special grease bearings, and applying abrasion-resistant special treatment for abrasion-prone armatures to extend service life.
At present, the magnetic powder clutches produced by Hailing Magnetic Powder Co., Ltd. are very popular in the market, and there are fundamental reasons for this. Good products are naturally the customer's responsibility. The magnetic powder clutch produced by the company has obvious performance advantages, reliable quality, and wide use, and has been well received by customers.