In order to guarantee the machining surface quality, numerical control lathe generally has constant surface cutting speed control function.
为了保证加工表面质量，数控车床一般都具有恒表面切削速度控制功能。
Ensure that the lathe dog is secured to the machined flat on the end of the mandrel and not on the smooth surface of the mandrel taper (Figure 7-44).
确保车床轧头牢牢地固定在心轴端的机械平面上，而不是锚定在锥形心轴的平滑面上(图7 - 44)。
An operation whereby the surface of a bar is ground without using a lathe.
无须使用车床就可以研磨棒材表面的操作。
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