Invention Application
US20120074764A1 FABRICATED VEHICLE WHEEL AND METHOD FOR PRODUCING SAME 审中-公开
制动车轮及其制造方法

FABRICATED VEHICLE WHEEL AND METHOD FOR PRODUCING SAME
Abstract:
This invention relates to a fabricated vehicle wheel and method for producing the same. The wheel includes a rim and a disc secured to the rim. The disc includes a plurality of outwardly extending spokes, an outer rim connecting flange defining a side edge surface and a window formed therein between adjacent pairs of spokes and having a predetermined shape defined by the adjacent pairs of spokes and the side edge surface of the rim connecting flange such that each of the windows extends to an outermost periphery of the wheel disc, at least one of the windows includes at least a first window portion and a second window portion, the first window portion being formed by a first piercing operation and the second window portion being formed by a second piercing operation. The method for producing the wheel of operation to produce a first window portion in the disc between a pair of adjacent spokes; (d) subjecting the disc to at least a second window piercing operation to produce a second window portion in the disc, the first window portion and the second window portion cooperating to define a pierced window in the disc having a predetermined shape defined by the adjacent pairs of spokes an outermost periphery of the disc; and (e) securing the disc and the rim together to produce the fabricated vehicle wheel.
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