Method for manufacturing a rotationally symmetrical work-piece of steel
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United States of America Patent
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Feb 17, 1998
Grant Date -
N/A
app pub date -
Aug 26, 1996
filing date -
Oct 26, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for manufacturing a work-piece which is rotationally symmetrical about an axis is provided wherein the work-piece has a spindle and at least one hollow member connected with the spindle by a hub part extending in radial direction. The method includes the steps of producing a work-piece blank having the rotationally symmetrical spindle and an integral, rotationally symmetrical, radially outwardly extending circumferential flange; mechanically processing the work-piece blank by at least one of boring, turning, milling, pressing, and grinding; and rolling a radially outer part of the flange to form the hollow member and leaving a remainder of the flange unchanged to form the hub. A roller is also provided for radially splitting the flange into three wings. The roller has two axially spaced splitting edges separated by a groove which has a rectangular cross-section.
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