Position Control I/O Control Process Control Software Editing Program||Parameter Setting|Workpiece Detection and Fixed Cycle in Machining (1) Workpiece Inspection As shown, the upper end of the workpiece is a machined groove, which is used to position the following to be processed. The groove, referred to as the positioning groove. When machining, the placement of the workpiece is arbitrary. When the probe is pressed against the workpiece, the probe will have a deformation amount, and the rotation angle of the workpiece is a one-to-one correspondence.