Method of shaping a wheel
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United States of America Patent
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Oct 3, 1995
Grant Date -
N/A
app pub date -
May 2, 1994
filing date -
May 2, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A method of forming wheels such as automobile wheels that consist of a disc part and a peripheral rim part. The wheel's disc part is formed by forging. Then the rim part is shaped by rolling. An initial material is formed beforehand so as to combine a central disc part and a peripheral annular part. One ram has a pressing surface for shaping an outer side of the disc part and a peripheral surface for shaping an outer rim. The other ram has a pressing surface for shaping an inner side of the disc part and a peripheral surface for shaping an inner rim. The rams rotate on their axes synchronously in the same direction and press the central disc part for shaping the disc part of the wheel. At the same time or afterward a shaping roller forms a rim part by pressing the peripheral part from the side.
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