Machine tool and workpiece chuck
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 17, 2003
Grant Date -
Feb 21, 2002
app pub date -
Apr 19, 2001
filing date -
Apr 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In order to improve a machine tool for the turning of workpieces with eccentric sections, comprising a tool support, a workpiece spindle which comprises a workpiece chuck, in which the workpiece can be clamped with a variably adjustable eccentricity, wherein the workpiece chuck has a chuck housing, a collet actuation and a collet support arranged in the chuck housing and having a collet held therein, the collet being adapted to be brought into concentric or eccentric adjustable positions relative to the spindle axis, in such a manner that the adjustment of the collet support relative to the chuck housing can be brought about more simply it is suggested that an adjusting element be provided on the machine tool which is movable towards the workpiece chuck for the adjustment or the respective adjustable position of the collet and may be brought into operative connection with the collet support and that in this operative connection the relative movement between the collet support and the chuck housing for altering the adjustable position be controllable by means of the machine control by way of the at least one controlled axis.
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