Machine tool having a tool checking device
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United States of America Patent
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Apr 10, 2012
Grant Date -
Feb 12, 2009
app pub date -
Jul 18, 2008
filing date -
Aug 8, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A machine tool for chip removing machining operations on workpieces using tools comprises a tool checking device for checking a tool of the machine tool as regards damage or fracture by means of a sensor. There is a provision on the machine tool such that sensor is a contact-free sensor arranged on a movably disposed sensor holder, that the tool checking device possesses a drive for the sensor holder to shift the sensor toward and away from the tool to be checked and that the machine tool or the tool checking device possesses a control module for the control of the drive to perform a measuring excursion so that the drive shifts the sensor for a measurement of a tool to be checked for a measurement toward the tool and after the measurement shifts it away from the tool.
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