It also tells us how to improve the spindle and the control system of CA6140 NC lathe.
阐述了CA6140普通数控车床的主轴系统的改进及机床控制系统的改造。
The outside interferes with making PLC receive the wrong signal, cause the lathe to act by mistake, or make the internal data of PLC lost, even make the system out of control when being serious.
外部干扰可能使PLC接收到错误的信号，造成机床误动作，或使PLC的内部数据丢失，严重时甚至使系统失控。
To improve the process programming efficiency of numerical control lathe, the system generally provides fixed repeating function.
为提高编程效率，数控系统一般都提供固定循环功能。
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