英语翻译
On a workpiece rotating machine ,such as a lathe ,the Z axis is parallel to the spindle ,On a tool-rotating machine ,the Z axis is perpendicular to the workpiece and the positive motion increases the distance between the tool and the workpiece.
On a lathe,the X axis is the direction of workpiece diameter.On a vertical milling machine the X axis is parallel to the table.The positive X axis points to the right when the programmer is facing the machine.