Controller for controlling machine tool having cutting condition change function
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United States of America Patent
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Jun 5, 2018
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app pub date -
Nov 19, 2015
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Nov 26, 2014
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Abstract
A controller for controlling a machine tool calculates a variation of a cutting load based on a changed rotational speed or feed rate of a tool in a machining program for machining a workpiece when the rotational speed or the feed rate is changed, and executes the machining program if the changed rotational speed and/or feed rate of the tool and/or the cutting load are within the ranges of predetermined upper and lower limit values.
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