B - Operations – Transporting – 23 – C
Patent
B - Operations, Transporting
23
C
B23C 1/02 (2006.01) G05B 19/401 (2006.01)
Patent
CA 2208346
An apparatus for machining a workpiece comprises means for clamping the workpiece, means for rotatingly driving the clamped workpiece, a tool for machining the workpiece, the tool having a part for engaging the work-piece, a tool holder, means for moving the tool holder with respect to the clamping means and a control unit with a memory for one or more control programs. The control unit is arranged to control the moving means according to a control program by means of measuring means providing the x,y-positions of the tool holder in such a manner that the tool follows a desired path along the clamping means for machining the workpiece. The apparatus comprises a measuring device located at a predetermined reference position with respect to the moving means. The control unit is arranged to control the moving means in such a manner that said tool part is moved along to the measuring device, wherein the measuring device delivers a measuring signal to the control unit, wherein the control unit determines the shape of said tool part and the position thereof with respect to the tool holder directly from the x,y-positions provided by the x,y-measuring means and stores these x,y-positions in the memory for use in the (each) control program for the corrsponding tool.
Massee Johan
Sim & Mcburney
LandOfFree
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