This function can make numerical control system according to the point in the X coordinates, as the diameter of the workpiece calculated value spindle speed, and the cutting speed to be constant.
该功能可以使数控系统根据刀尖所处的X坐标值，作为工件的直径值来计算主轴转速，使切削速度保持恒定。
Cutting noise only relates with spindle rotating speed, and noise becomes strong abruptly under specific rotating speed.
而切削嗓声只与主轴转速有关，存在噪声突然增强的特定转速。
This article analyses the influence of the support of oil film vibration damping of the main spindle on cutting degree of roughness through cutting test.
本文通过粗糙度切削试验，分析讨论了车床主轴油膜减振支承对其加工粗糙度的影响。
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