提高线切割机的控制能力我厂使用天津仪表机床厂生产的ＤＫ７７２０线切割机．几年来一直感觉很好，比较经济适用，但美中不足的是当工件加工结束后，贮丝筒和水泵不能自动停止。鉴于上述情况．把机床改成加工结束后自动关闭贮丝筒和水泵电机是有必要的。为了经济适用，提... Improve the ability of wire cutting machine control I plant using the Tianjin Instrument Machine Tool Factory DK7720 line cutting machine. Few years have been feeling good, more economical, but fly in the ointment is that when the workpiece after the end of processing, storage silos and pumps can not automatically stop. In view of the above situation. It is necessary to change the machine tool to automatically close the silo and pump motor after the process is finished. In order to be economical, mention ...