防止线切割机刻度盘圈与刻度摇盘松动引起的工件尺寸超差的一种方法我单位使用的是天律仪表机床厂生产的ＤＫ７７２０型线切割机床多年，近来拖板ｙ轴频繁出错，造成工件尺寸超差而报废，一般认为拖板ｙ轴电器丢步，经查电器无故障；笔者经观察发现：问题出在割工件中出现... To prevent the wire cutting machine dial and scale shake caused by the workpiece size tolerance of a method of ultra-poor my unit is used in the law instrument machine tool factory production DK7720-type wire-cutting machine for many years, recently pallet y-axis frequent mistakes caused Workpieces out of tolerance and scrapped, the general that the trolley y-axis electrical lost steps, the investigation of electrical trouble-free; I observed by the observation: the problem is cutting artifacts appear ...