四轴机床盘式刀库PLC程序的设计

PLC Program Design of the Arm-type Tool Magazine of Four-axis Machining Center

四轴加工中心由于安装了分度盘,而盘式刀库在换刀时刀臂要下降一段距离,所以在一定的条件下就会在换刀时刀具与工件发生碰撞事故。本文对刀库PLC程序进行设计,根据输入的数据计算出是否符合安全换刀的条件,把结果传输到换刀宏程序,实现了安全、高效的换刀。

Because of the indexer in the four-axis machining center and the arm descending during tool changing, the tool will probably hit the work piece in certain conditions. This paper describes a method to solve this problem. The PLC will find out whether the machine is in the safe area for tool changing based on the input data, then transfer the result to the macro program to accomplish a fast and safe tool changing.