By the computer program, the bearing dynamic parameters of the lathe spindle sys-tem could be identified using the experiment data when the lathe spindle system is mounted practically.
用在此基础上编制的计算机程序，在主轴系统实际安装条件下，根据各测点的位移导纳试验数据，对机床主轴系统支承动态参数进行了识别计算。
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。
Due to the unreasonable design of the transmitting ratio in the major transmission system of lathe C6143, the progression of the spindle speed is asymmetrically distributed.
在C6143型普通车床主传动系统中，由于传动比设计不够合理，致使主轴转速级数分布不均；
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