Patent ID: 6419564
Filing Date: 2002-07-16
Classification: B24B,B24D

Abstract:
A grinding process for a grinding machine having a pair of spaced grinding spindles each of which can carry a grinding wheel so that articles to be ground may be moved between and engaged by an abrasive means carried by each such grinding spindle and have respective sides of each such article ground thereby; comprising:(a) forming each grinding wheel with a rim having a rim surface disposed in a plane substantially parallel to the plane of the surface on the article to be ground; (b) securing to each said rim surface of each said grinding wheel a plurality of abrasive pieces in an array such that no less than sixty percent of the area of each such rim surface is covered by abrasive pieces and such that no more than eighty percent of the area of each such rim surface is covered by abrasive pieces; (c) securing each said grinding wheel to a grinding wheel spindle; (d) advancing the grinding wheel spindles toward each other and into engagement with opposed surfaces of the article to be ground and rotating said grinding wheel spindles and grinding wheels and grinding the opposed surfaces of the article to be ground by a predetermined amount; and (e) passing a fluid about and over said abrasive pieces and about and over the surfaces being ground.