通过对切屑截面几何、变形状态及切削比的实验分析，研究了非自由切削的变形特征。
The deformation characteristics of non free cutting (NFC) are experimentally studied with the chip cross section geometry, the deformation configuration and the cutting ratio.
计算机模拟结果表明，时变进给切削比单调增大进给切削更能有效地抑制颤振。在一定的条件下，时变进给量变化幅度及变化频率越大，抑振效果越好。
The results of computer simulation demonstrates that it is more efficient to suppress chatter by time-varying feed rate cutting than by increasing feed rate cutting only.
采用超高速磨削，对改善磨粒的切削状态，降低比磨削能是非常有利的。
The ultra high speed grinding mode may improve the cutting conditions of the grains and thus reduce the specific grinding energy.
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