Apparatus and method of forming cylindrical work piece
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United States of America Patent
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Nov 30, 2004
Grant Date -
Jan 22, 2004
app pub date -
Jul 18, 2002
filing date -
Dec 1, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A forming apparatus forming part of or the entire circumference of a cylindrical work piece into a circular or deformed circular shape, such as an ellipse, etc. A spindle mechanism has a processing tool R mounted at the tip of the spindle, and a holding mechanism holds the cylindrical work piece W disposed in a way to face the spindle mechanism. An axial shifting means for shifts the spindle mechanism and the holding mechanism relatively in the axial direction of the spindle. A shifting motion means enabling the holding mechanism to make prescribed shifting motion, and a control mechanism drives the axial shifting means and shifting motion means in linkage with each other.
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