Method for controlling tool change operations and machine tool
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United States of America Patent
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Mar 20, 2018
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app pub date -
May 19, 2015
filing date -
Nov 21, 2012
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Abstract
A method is proposed for controlling tool change operations on a machine tool, wherein a machining procedure on a workpiece includes a sequence of machining operations having in each case a particular tool and in each case a particular duration, and for a tool change, tools of a tool spindle are provided by a second storage device in communication with a first storage device, and wherein there is associated with the machining procedure a sequence of tool provision operations in which a tool provision operation has in each case a particular duration, wherein the method includes a determination stage wherein the durations of the machining operations and the tool provision operations are determined, and a control stage wherein the tool provision operations are temporally grouped in relation to the machining operations such that the tool provision operations bring about a minimized idle time in the machining procedure.
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