Selects and computes machine settings, such as positioning angles, rotation speeds, feed rates, and gear ratios, using knowledge of shop mathematics. Selects grinding wheel, gears, and cams, using knowledge of thread types, metal properties, and abrasives, and installs them, using wrenches. Positions and secures workpiece between centers or in chuck jaws. Sets trip stops along calibrated rack to limit workpiece travel and activate wheel withdrawal. Adjusts device to dress wheel to computed angles, and to set for automatic dressing during operation.
Moves controls to adjust, start, and control operation of machine.
May be required to have experience with particular type of thread, kind of computation, or level of precision, or with machine of particular type or trade name.