Patent ID: 6436209
Filing Date: 2002-08-20
Classification: B21D,B21H,B23P,B62D,Y10T

Abstract:
A method of making a road wheel for a track-laying vehicle, comprising the steps of:(a) shaping by roll pressing and projection drawing a planar disk of steel to a rotationally symmetrical dished wheel blank for said road wheel and having an inner hub portion, an outer peripheral portion and an intermediate portion bridging said hub portion and said outer peripheral portion; (b) prior to machining of said inner hub portion and said outer peripheral portion, quenching and tempering said blank and thereby increasing a size of said blank; (c) subsequent to quenching and tempering of said blank and prior to machining of said inner hub portion and said outer peripheral portion reshaping said blank by roll pressing and projection drawing to an original size of said blank; and (d) thereafter machining said inner hub portion and said outer peripheral portion to a final shape.