Patent ID: 9067283
Filing Date: 2015-06-30
Classification: B23P,B23Q,G01B,Y10T

Abstract:
1. A machining method using a machine tool configured to machine a workpiece by moving a tool attachably and detachably attached to a main spindle and the workpiece fixed and supported on a table relative to each other, the method comprising: a touch probe dead zone length calculation step of attaching a touch probe to the main spindle, optically measuring each of a position Pp a touch probe length calculation step of calculating an apparent length Lp a workpiece height calculation step of finding an actual height Lw of the workpiece on the basis of the substantive length Lp a tool length calculation step of attaching the tool to the main spindle, optically measuring a position Pt a main machining step of machining the workpiece by moving the workpiece and the tool relative to each other on the basis of the actual height Lw of the workpiece calculated in the workpiece height calculation step and the actual length Lt of the tool calculated in the tool length calculation step.