The cut depth of smooth zone reduces, whereas the kerf taper of smooth zone first reduces and then increses when the standoff enhances.

• 切割速度增加时，光滑区切割深度减小，而光滑区锥度增大，切口的加工质量变差；切割半径减小时，光滑区切割深度增大，而光滑区锥度减小。