Method for reducing the eccentricity of the inner and outer surface of a hollow workpiece rotatably clamped in a machine tool
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United States of America Patent
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May 12, 2015
Grant Date -
Dec 19, 2013
app pub date -
Jan 27, 2012
filing date -
Jan 28, 2011
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Abstract
The invention relates a method for reducing the eccentricity of the inner and outer surface (7, 9) of a hollow workpiece (i), for example a hollow shaft, rotatably clamped in machine tool (2), in which in one clamping a plurality of measurement data depending on the contour of the inner surface (7) of the hollow workpiece (i) are recorded, for example with the aid of ultrasound, using the recorded measurement data a desired surface (13) is calculated for at least a part of the outer surface (9), which has a reduced eccentricity with respect to the inner surface (7) and in a further step the rotating workpiece (i) is at least partially machined at the outer surface (9) thereof according to the desired surface (13).
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