Patent ID: 6678929
Filing Date: 2004-01-20
Classification: B21H,Y10T

Abstract:
A burnishing gear assembly, comprising:a hub portion defined around an axis; a burnishing gear being integrally formed upon said hub portion, having first and second axially separated sides, and having a plurality of burnishing gear teeth, having root and crest portions, extending substantially radially outwardly from said hub portion and circumferentially spaced with respect to each other around said axis; and a plurality of gashes, circumferentially spaced with respect to each other and respectively extending between said first and second axially separated sides in a non-circumferential manner, such that each one of said burnishing gear teeth of said burnishing gear has at least one gash formed therein so as to extend substantially across the entire lateral extent of said each one of said burnishing gear teeth, as well as substantially from said root portion to said crest portion of said each one of said burnishing gear teeth, so as to define at least one shearing edge portion upon said each one of said burnishing gear teeth for removing irregularities from a workpiece gear when said burnishing gear is operatively engaged with the workpiece gear during a gear burnishing operation.