Classification of CNC Machine Tools by Motion Mode

1) Point position control CNC machine : CNC system only controls the precise position of tool from one point to another, but does not control the trajectory of movement. The movement between coordinate axes is irrelevant, and the workpiece is not processed during the movement process. This kind of CNC machine tools mainly include CNC drilling machine, CNC coordinate boring machine, CNC punching machine, etc.            

2) Linear Control CNC Machine: In addition to the accurate position between the control points, the CNC system must ensure that the trajectory between the two points is a straight line, and control the moving speed, also known as point position linear control. This kind of CNC machine tools mainly include relatively simple CNC lathes, CNC milling machines, CNC grinders and so on. NC machine tools for linear control are rare.            

3) Contour control CNC machine: The characteristic of contour control is that it can control the displacement and velocity of two or more moving coordinates simultaneously and continuously. It not only controls the starting and ending coordinates of the moving parts of the machine tool, but also controls the speed, direction and displacement of each point in the whole processing process. It is also called continuous control CNC machine tool. This kind of CNC machin mainly include CNC lathe, CNC milling machine, CNC wire cutting machine, machining center and so on.

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