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磁粉制动器工作原理


 磁粉离合器、磁粉制动器是根据电磁原理并利用磁粉来传达转矩的,其传达之转矩与激磁电流基本成线性关系。因此,只要改变激磁电流之大小,便可轻易地控制转矩之大小。正常情况下,在5%至100%的额定转矩范围内,激磁电流与其传达之转矩成正比例线性关系.

 
     The brake magnetic powder clutch, magnetic powder is based on the electromagnetic principle and the use of magnetic powder to convey torque, the transmission torque and excitation current is basically linear relation. Therefore, as long as the change the size of the exciting current, you can easily control the torque of the size. Under normal circumstances, in the range of 5% to 100% of the rated torque, torque and excitation current of communication is proportional to the linear relationship.
 
     当激磁电流保持不变时,其传达之转矩不受传动件与从动件之间差速(滑差转速)之影响,即静力矩与动力矩无差别。因此可以稳定地传达恒定之转矩。此特性若运用于张力控制,则用户只需调节激磁电流之大小,便能准确控制并传达所需转矩,从而简便、有效地达到控制卷料张力的目的.
 
     When the excitation current is kept constant, the communication is not affected by the torque transmission piece and follower differential (slip speed) influence, namely static torque and dynamic torque difference. So it can be stable to convey a constant torque. This characteristic is used if the tension control, the user only needs to adjust the size of the exciting current, it can accurately control and deliver the required torque, thereby conveniently and effectively to control the roll tension.

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