Patent ID: 6397111
Filing Date: 2002-05-28
Classification: G05B

Abstract:
A numerically controlled machine tool for machining a workpiece via a programmable controller, responsive to a plurality of commands including miscellaneous commands, in accordance with a machining program, comprising:recognizing means for recognizing a miscellaneous command from a numerical controller being executed by said programmable controller; storing means for storing the result of said recognition made by said recognizing means; judging means for judging whether said miscellaneous command is complete or not according to the contents stored in said storing means; specifying means for specifying a miscellaneous command which need not be completed before a next command is executed; checking means for checking whether a previously given miscellaneous command from said numerical controller is being executed or not at a time when a next miscellaneous command from said numerical controller is executed; means for executing said next miscellaneous command after the previously given miscellaneous command is complete if it is being executed; and means for executing the next miscellaneous command without waiting for the completion of the miscellaneous command which need not be completed.