Method for controlling a machine tool
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United States of America Patent
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Jul 13, 1999
Grant Date -
N/A
app pub date -
Apr 4, 1997
filing date -
Apr 20, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method is described for controlling a machine tool that has a spindle which rotates at a variable rotation speed n about a spindle axis. The spindle carries a facing head that is fitted with a tool whose radial distance V from the spindle axis is adjustable by means of a control system. The distance V and/or the rotation speed n are modified as a function of a machining operation to be performed with the tool. In order to attain a desired distance V.sub.actual, the control system specifies a reference value V.sub.ref that is smaller than the desired distance V.sub.actual by a certain correction value .DELTA.V, the correction value .DELTA.V being calculated as a function of the desired distance V.sub.actual and the rotation speed n.
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