Patent ID: 6815917
Filing Date: 2004-11-09
Classification: B23Q,G05B,Y10T

Abstract:
A method for controlling an automatically operated lathe provided with at least one spindle and at least one tool rest, comprising:providing each of a plurality of transfer position data required in a sequence of machining programs in connection with said at least one spindle and said at least one tool rest in a form of either one of two types of transfer position data, one of which is a cam-reference data directing a transfer position as a function of a cam rotation quantity and the other is a time-reference data directing a transfer position as a function of an elapsed time; and processing each of said plurality of transfer position data provided in the form of either one of said cam-reference data and said time-reference data, to control a relative feed motion between said at least one spindle and said at least one tool rest in said sequence of machining programs.