- Industry: Government; Labor
- Number of terms: 77176
- Number of blossaries: 0
- Company Profile:
A professional who controls one or more furnaces to heat treat metal objects according to specifications. Respnsibilities include:
* Places parts in racks, trays, or baskets, and places objects on conveyor or loads objects directly into furnace.
* Adjusts furnace temperature and observes pyrometer to heat metal to prescribed temperature.
* Sets speed of conveyor for prescribed time cycle, or records removal time of parts to ensure objects attain specified temperature for a specified time.
* Removes parts after prescribed time and quenches parts in water, oil, or other bath, or allows parts to cool in air.
* May test hardness of parts.
* May feed die-quenching machine to prevent parts from warping.
* May degrease or remove scale from parts.
* May draw wire or sheet metal through furnace and attach metal to winding mechanism that pulls metal through furnace.
Industry:Professional careers
A professional who operates gas furnace that heats metal gun parts to rustproof and impart decorative nonreflecting blue finish. Respnsibilities include:
* Sprays parts with steam to remove grease, grit, and dirt.
* Places parts in barrel of gas furnace and covers parts with mixture of bone chips and whale or pine tar oil.
* Closes furnace door and moves lever to rotate barrel.
* Turns gas valves and observes pyrometer to regulate temperature of furnace.
* Opens door after furnace cools, and pulls lever to tilt barrel and dump contents into sieve.
* Sifts parts from bone mixture and quenches parts in oil.
* Blows oil and chips from blued parts, using airhose.
* Examines parts to ensure shade and color conform to specifications, utilizing knowledge of heat-treating methods and metal properties.
Industry:Professional careers
A professional who operates gas furnace that heats metal gun parts to rustproof and impart decorative nonreflecting blue finish. Respnsibilities include:
* Sprays parts with steam to remove grease, grit, and dirt.
* Places parts in barrel of gas furnace and covers parts with mixture of bone chips and whale or pine tar oil.
* Closes furnace door and moves lever to rotate barrel.
* Turns gas valves and observes pyrometer to regulate temperature of furnace.
* Opens door after furnace cools, and pulls lever to tilt barrel and dump contents into sieve.
* Sifts parts from bone mixture and quenches parts in oil.
* Blows oil and chips from blued parts, using airhose.
* Examines parts to ensure shade and color conform to specifications, utilizing knowledge of heat-treating methods and metal properties.
Industry:Professional careers
A professional who controls furnace to reheat previously quenched and hardened metal objects, and quenches them in brine, water, oil, or molten lead to remove quenching strains and brittleness and to impart toughness to metal.
Industry:Professional careers
A professional who tends electric furnace that anneals base sections of hardened projectile bodies to facilitate subsequent machining operations. Respnsibilities include:
* Lifts projectile from conveyor with tongs and fits projectile in holder on machine table.
* Pushes switch to activate mechanism that elevates table and thrusts projectile base into furnace unit.
* Observes dial indicator and presses button to maintain flow of current according to specifications.
* Removes projectile when table descends automatically.
* Quenches projectile base in water.
Industry:Professional careers
A professional who tends flame-hardening machine, according to set procedures, to case-harden metal objects. Respnsibilities include:
* Positions and fastens part in fixture, on arbor, or between centers of machine.
* Presses buttons on control panel to light burners that direct flame against part and start automatic feeding or spinning mechanism.
* Observes machine operation and removes finished part.
* May anneal metal cartridge or shell cases and be designated Flame-Annealing-Machine Operator (heat treating).
Industry:Professional careers
A professional who tends flame-hardening machine, according to set procedures, to case-harden metal objects. Respnsibilities include:
* Positions and fastens part in fixture, on arbor, or between centers of machine.
* Presses buttons on control panel to light burners that direct flame against part and start automatic feeding or spinning mechanism.
* Observes machine operation and removes finished part.
* May anneal metal cartridge or shell cases and be designated Flame-Annealing-Machine Operator (heat treating).
Industry:Professional careers
A professional who assists heat treater i or heat treater ii in annealing, hardening, or tempering metal objects by performing any combination of the following duties. Respnsibilities include:
* Cleans foreign matter, such as scale, rust, or grease, from metal objects, using solvents, wire brushes, scrapers, or hammer and chisel.
* Hangs parts on racks, hooks, or fixture, or places them on handtrucks or conveyors, and charges them into furnace manually or using hoist.
* Adjusts controls to maintain specified temperature in furnace.
* Immerses objects in chemical bath or places objects in containers and packs carbonaceous material around them.
* Quenches heated objects in liquid, such as oil or water.
* Marks identification on parts.
* Performs other duties as described under helper master title.
Industry:Professional careers
A professional who tends electronic induction machine, according to set procedures, to harden, braze, or anneal metal objects. Respnsibilities include:
* Positions and fastens part in fixture of machine.
* Presses button on control panel to start electric current flowing through induction coil for prescribed time.
* May load automatic machine by dumping parts into hopper.
* May test parts for hardness, using preset hardness testing equipment, and stamp heat treatment identification mark on casting, using hammer and punch.
Industry:Professional careers
A professional who tends electronic induction machine, according to set procedures, to harden, braze, or anneal metal objects. Respnsibilities include:
* Positions and fastens part in fixture of machine.
* Presses button on control panel to start electric current flowing through induction coil for prescribed time.
* May load automatic machine by dumping parts into hopper.
* May test parts for hardness, using preset hardness testing equipment, and stamp heat treatment identification mark on casting, using hammer and punch.
Industry:Professional careers
