It also tells us how to improve the spindle and the controlsystem 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。
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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.