为了分析计算工艺系统受力变形对加工精度的影响，而引入一个有用的概念——工艺系统的刚度。
动态切削力的构成不同，工艺系统刚度主轴的最佳方位也不同。
In case the form of dynamic cutting force is varied, the optimal region of the stiffness spindle orientation is always different.
针对低刚度零件的数控加工工艺系统，提出了一种可控制工件变形的夹具系统。
Fixture system of machine tools for controlling workpiece deformation is put forward taking aim at NC machining system for low rigid part.
研究表明，磁场的作用在很大程度上提高工艺系统的静刚度，并且增加系统阻尼，减小工艺系统振动。
The research result showed that the rigidity is improved and vibration of technology system is weakened by magnetic field.
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