目前,对我国快速走丝线切割机床的丝筒轴及其电机轴的扭断,已采用了很多的解决办法。但都不能从根本上解决断轴的问题。我们认为,解决断轴的根本途径在于减小换向时的反向扭矩,而减小反向扭矩的关键,又在能保证走丝系统正常运转的前提下,减小电动机的输出功率和改善换向方式。 At present, it has adopted a lot of solutions to the twisting of wire spool shaft and its motor shaft of our country’s rapid wire cutting machine tool. But they can not fundamentally solve the problem of broken shaft. In our opinion, the fundamental way to solve the broken shaft lies in reducing the reverse torque during commutation. The key to reducing the reverse torque is to reduce the output power and improve the output of the motor while ensuring the normal operation of the wire feeding system Way to change.