我厂生产的XKH768卧式加工中心 ,开始工作一切良好 ,但使用一段时间后 ,经常出现换刀中断故障。该机床的刀库设置在床身内 ,可安装 30把刀。换刀系统根据加工程序进行顺序换刀 ,即先抓1号刀 ,依次顺推到 30号刀。故障现象是 :机床执行换刀程序取 1号刀时 ,主轴只是快速移动到坐 I produced the XKH768 horizontal machining center, everything began to work well, but after using for a period of time, often appear to change the knife interrupt fault. The machine tool magazine set in the bed, can be installed 30 knives. Tool change system according to the processing sequence for tool change, that is, first grasp the knife No. 1, followed by No. 30 knife. Fault phenomenon is: the implementation of tool change tool to take the No. 1 knife, the spindle is only fast to sit