Method and apparatus for machining work pieces
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United States of America Patent
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Jan 3, 2012
Grant Date -
Jun 24, 2010
app pub date -
Mar 8, 2010
filing date -
Jul 6, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus are provided to machine a curved surface such as an inner or outer peripheral surface of a pipe. The pipe is held stationary during machining and a rotatable spindle of a machine head moves along multiple orthogonal axes to align the rotational axis of the spindle with the longitudinal pipe axis. Preferably, the pipe axis is located by using a touch probe to engage the curved surface at multiple spots and the calculating the location of the pipe axis. The cutting tool, which is preferably a cutting tool insert, is rotated by the spindle to machine the curved surface.
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