It can be divided into point control, linear control and contour control.
- Point control CNC machine tool
The CNC system controls the precise position of the tool from one point to another, not the movement path. Only the coordinate position of the tool relative to the workpiece positioning point is controlled on the machining plane, and the trajectory of the movement is not positioned.
- Linear control CNC machine tools
In addition to controlling the precise position between the points, the numerical control system also ensures that the motion trajectory between the two points is a straight line. It is also necessary to control the movement speed, which is called point-line control.
- Contour control CNC machine
The characteristic of contour control is to control the displacement and velocity of two or more moving coordinates continuously and simultaneously. It is not only necessary to control the coordinates of the starting point and end point of the moving parts of the machine tool, but also control the speed, direction and displacement of each point in the entire processing process. For machining complex parts.
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