Patent ID: 6769956
Filing Date: 2004-08-03
Classification: B24C

Abstract:
A method of grit blasting, comprising:providing a movable bracket comprising: a grit blasting machine engaging portion dimensioned and configured for slidable mounting on a grit blasting machine; a first arm dimensioned and configured to removably secure a grit blasting nozzle assembly, and to repeatably and precisely position said nozzle in substantially the same desired position; and a second arm having means for removably securing a proximity sensor on said movable bracket; providing a fixed bracket, comprising: a grit blasting machine engaging portion; and means for removably securing a proximity sensor target; providing a proximity sensor dimensioned and configured to provide an indicia of distance between said proximity sensor and said proximity sensor target; securing said grit blasting nozzle assembly within said first arm; securing said proximity sensor within said second arm; and moving said movable bracket until said proximity sensor indicates that a desired distance between said nozzle and a workpiece has been achieved.