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The magnetic powder brake is a multi-purpose, superior performance automatic control component. It has been widely used in papermaking, printing, plastics, rubber, textile, printing and dyeing, wire and cable, metallurgy, tablet presses and other unwinding and winding tension control in the coiling and processing industry.
Magnetic powder brake features:
1, can be easily controlled in a wide range.
2, can achieve continuous sliding operation.
3, you can get a stable torque.
4, no sounds. The slippage of the action surface occurs in the friction mode, but it does not occur here, and the connection sound is not emitted, so the operation is quite quiet.
5. The heat capacity is very large. Thanks to the use of magnetic powder with excellent heat resistance and the use of an ideal cooling method, it can be used with peace of mind even in the case of too severe continuous sliding operation.
6, can achieve smooth continuous and driving state. Since the static friction coefficient and the dynamic friction coefficient are almost the same, there is no oscillation when fully connected, and the load can be added and subtracted.
There are several cases in which the magnetic powder brake is stuck:
1. Due to the long time during transportation or the long time of the placement, the magnetic powder filled between the two groups of cells is scattered on one side, and no magnetization is caused before the start-up.
2. Due to the low manufacturing precision of the product, the concentricity of the rotor of the magnetic powder brake is insufficient, resulting in uneven output torque or jamming.
3. During the production process, the magnetic powder brake is enclosed by excessive magnetic powder.
4. Magnetic powder brakes are caused by inferior magnetic powder.
The suitable use of magnetic powder brakes makes you love
1. Magnetic powder brakes are suitable for constant tension control systems such as printing presses, slitting machines, laminating machines, coaters, paper machines, wire drawing machines and cable winders, as well as processing equipment such as sheet metal, strip and film. Textile machinery, etc.
2. As an overload device, the magnetic powder brake is used as a loading device for torque measurement in power machines such as engines, motors, electric structures, hydraulic components, and reducers.
3. Stepless speed regulation, magnetic powder brake with sensor and control circuit can realize stepless speed regulation, especially for fine adjustment of speed at high speed and medium and small power speed control system.
4. In the overload protection, when the working system is accidental and the torque is overloaded, the clutch automatically slips, thus protecting the mechanical equipment and the motive power.
The magnetic powder brake is activated and stopped. The cushioning effect of the smoothing characteristic and the constant torque characteristic at the time of connection is used, and the acceleration is constant and the peak torque does not occur.