Method for producing a one-part vehicle wheel
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United States of America Patent
Stats
-
Aug 6, 2002
Grant Date -
Jul 5, 2001
app pub date -
Feb 28, 2001
filing date -
May 26, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus and a method for producing a one-part vehicle wheel are provided, in which a substantially disk-shaped, undercut-free pre-form is cast. Immediately after casting the pre-form is conveyed to a flow-forming machine, while maintaining a residual heat and is fixed therein. The circumferential area of the fixed pre-form is split and, by subsequent spinning and flow-forming, is constructed as an intermediate form with a rim, which already substantially has the wall thickness of the rim of the finished vehicle wheel. The intermediate form is cooled, sized, and undergoes a final end-working.
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