Programs mills and lathes by entering instructions, including zeros and reference points• Sets tool registers, offsets, compensations, and conditional switches• Calculates requirements including basic math and adjusting three and four-jaw chicks, tools, attachments, collets, bushings, cams, gears, stops, and stock pushers. Other duties may be assigned:• Plans machining by studying work orders, blueprints, engineering plans, materials, specifications, orthographic drawings, reference planes, locations of surfaces, and machining parameters.