目前,大多轴承行业在轴承加工工序间或成品退磁中使用线圈退磁机,这种退磁机耗电功率一般在4～6kW,由于连续运行产生高温发热现象,故需增加风冷或水冷辅助设备,加大了设备结构尺寸、复杂性及故障率,常因高温、绝缘老化或受潮使线圈烧毁。成品退磁是最后工序,往往因电压、电流、绕制线圈的质量等 Currently, most of the bearing industry in the process of bearing or finished product demagnetization coil demagnetization machine, this demagnetization machine power consumption is generally 4 ~ 6kW, due to continuous operation produces high temperature heating phenomenon, it is necessary to increase the air-cooled or water-cooled auxiliary equipment, plus Large equipment structure size, complexity and failure rate, often due to high temperature, insulation aging or damp coil burned. Finished demagnetization is the final process, often due to voltage, current, winding coil quality