线切割机床是我国机械制造行业特别是精加工中使用的机床之一,它占有重要的地位。但旧式的复旦型线切割机在我国各行业中仍使用得不少,因各方面的原因而没有改造。原机床控制柜中的步进电机驱动电路原理图如下: Wire cutting machine tool is one of the machine tools used in China’s machinery manufacturing industry, especially finishing, which occupies an important position. However, the old-style Fudan-type cutting machine is still used in many industries in our country, due to various reasons and not modified. The original machine tool control cabinet stepper motor drive circuit diagram is as follows: