In almost every type of manufacturing process grinding operation is used. To produce high surface finish & to maintain close tolerances in the manufactured product grinding operation is used . Dressing & truing operations are carry out on the grinding wheel to make the grinding operation more useful & effective. The machining process used for the removal of material from a workpiece using abrasive cutting is called as centerless grinding. As in centered grinding machines we use spindle or fixture used to locate & secure the workpiece between grinding wheel & regulating wheel .The material removal rate of workpiece is depend upon relative speed of wheels. Almost every manufacturing industry prefers centerless grinding process over the other grinding process because in this process many parts produced in short interval of time.

Keywords : Grinding, Dressing, Truing.