Job Description:

• 1) Polishes and resurfaces bores and cavities of wire drawing dies to specified size and angles, using hand laps or various die polishing machines, tools, and diamond cutting pastes: Cleans dies by immersing them in tank with water, detergent, and agitating pebbles or sonic cleaner.

• 2) Inspects worn dies to ascertain extent of wear, using loupe, steel gauge pins, and micrometer.

• 3) Laps die surfaces to specified dimensions as it revolves in lapping machine or on bench lathe, using cotton swabs and progressively finer diamond pastes; or resurfaces and polishes die, using polishing machine and diamond pastes.

• 4) Inspects die for cracks and smoothness of finish, using loupe or microscope, and measures diameter of die openings for conformance to specifications, using steel gauge pins and micrometer.

• 5) May resurface and clean dies, using powered drill, grinder, or files and other handtools.