Sets up, operates, or tends heating equipment, such as heat-treating furnaces, flame-hardening machines, induction machines, soaking pits, or vacuum equipment to temper, harden, anneal, or heat-treat metal or plastic objects.
This career is part of the Manufacturing cluster Production pathway.
A person in this career:
- Reads production schedules and work orders to determine processing sequences, furnace temperatures, and heat cycle requirements for objects to be heat-treated.
- Records times that parts are removed from furnaces to document that objects have attained specified temperatures for specified times.
- Adjusts controls to maintain temperatures and heating times, using thermal instruments and charts, dials and gauges of furnaces, and color of stock in furnaces to make setting determinations.
- Starts conveyors and opens furnace doors to load stock, or signals crane operators to uncover soaking pits and lower ingots into them.
- Sets up and operates or tends machines, such as furnaces, baths, flame-hardening machines, and electronic induction machines, that harden, anneal, and heat-treat metal.
- Removes parts from furnaces after specified times, and air dries or cools parts in water, oil brine, or other baths.
- Moves controls to light gas burners and to adjust gas and water flow and flame temperature.
- Instructs new workers in machine operation.
- Determines flame temperatures, current frequencies, heating cycles, and induction heating coils needed, based on degree of hardness required and properties of stock to be treated.
- Determines types and temperatures of baths and quenching media needed to attain specified part hardness, toughness, and ductility, using heat-treating charts and knowledge of methods, equipment, and metals.