Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael J. Beyer0
Date of Patent
June 12, 2007
0Patent Application Number
107051350
Date Filed
November 10, 2003
0Patent Primary Examiner
Patent abstract
The present invention is directed to a method of manufacturing a three piece aluminum wheel assembly comprising the steps of providing a pair of circular blanks made of a heat treatable alloy to be formed into preforms of a general shape. The preforms are subjected to a quenching step in an unconstrained condition to allow for natural thermal deformation during the quenching operation. The as quenched preforms are then subjected to a first forming operation using spin forming to remove the effects of the thermal deformation in the preform, followed by a second forming step using spin forming to shape the component to its desired final shape. The components are then exposed to precipitation heating and finishing to yield the final product.
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