Patent ID: 9662766
Date: 2017-05-30
CPC Classifications: B24B,B24D

Claim:
1. A method of abrading a workpiece, the method comprising: providing a rotating bonded abrasive wheel attached to a stationary machine tool, the rotating bonded abrasive wheel having a diameter of at least 150 millimeters, wherein the bonded abrasive wheel comprises ceramic shaped abrasive particles retained in a binder, wherein the ceramic shaped abrasive particles comprise alpha alumina, and wherein the ceramic shaped abrasive particles comprise precisely-shaped truncated triangular pyramids; and contacting the rotating bonded abrasive wheel with a metallic workpiece such that the workpiece is abraded with simultaneous formation of metallic swarf, wherein the metallic workpiece has a bulk temperature of less than 500° C., and wherein at least 20 percent by weight of the metallic swarf is filamentary metallic swarf having a length of at least 3 millimeters.