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。
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。
Moreover, a problem of cutting with constant speed and the solving method is discussed.
还讨论了恒速切割问题及需要采取的方法和措施。
The table reciprocating is controlled by the convertible frequency electric installation, so the speed is constant and adjustable and the wood-panels cutting are more tidily.
台面往复由变频电气装置操纵；速度匀速可调，板材切割更整齐。
Hydraulically-powered work table feeds work piece at a constant speed, and result in optimize cutting performance.
液压驱动工作台送进工件，进给速度无级可调，以保持最佳的切割性能。
Thread cutting. When performing thread cutting, the axial feed must be kept at a constant rate, which is dependent upon the rotational speed (RPM) of the workpiece.
在螺纹切削作业时，轴向进给必须保持恒定速率，这取决于工件的转速(rpm)。
Thread cutting. When performing thread cutting, the axial feed must be kept at a constant rate, which is dependent upon the rotational speed (RPM) of the workpiece.
在螺纹切削作业时，轴向进给必须保持恒定速率，这取决于工件的转速(rpm)。
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