Heat Treating - Occupations Duties

Bluing oven Tender Occupation

Job Duties:

• Assist Heat Treater heat treating I or Heat Treater heat treating Ii in annealing, hardening, or tempering metal objects by performing any combination of the following duties
• Clean foreign matter, like scale, rust, or grease, from metal objects, using solvents, wire brushes, scrapers, or hammer chisel
• Hang parts on racks, hooks, or fixture, or places them on handtrucks or conveyors and charges them into furnace manually or using hoist
• Adjust controls to maintain specified temperature in furnace
• Immerse objects in chemical bath or places objects in containers packs carbonaceous material around them
• Quench heated objects in liquid, like oil or water
• Mark identification on parts
• Perform other duties as described under Helper any industry Master Title.

Carburizer Occupation

Job Duties:

• Control furnace to harden surface of steel objects, using any of following methods
• 1 Places objects in wire basket immerses them in heated chemical bath, like sodium cyanide
• 2 Packs objects in metal boxes filled with carbonaceous material, like coke, coal, bone charcoal, or barium carbonate and charges boxes into furnace
• 3 Charges objects into furnace opens valves to circulate carbon-rich gas, like methane, around objects during heating process
• Remove objects from bath or furnace quenches objects in oil, water, or brine, or allows objects to cool to predetermined temperature before quenching, depending on metal properties specified
• May be designated according to article case-hardened as Die Case Hardener heat treating , or by process used as Cyanide Furnace Operator heat treating .

Draw furnace Tender Occupation

Job Duties:

• Assist Heat Treater heat treating I or Heat Treater heat treating Ii in annealing, hardening, or tempering metal objects by performing any combination of the following duties
• Clean foreign matter, like scale, rust, or grease, from metal objects, using solvents, wire brushes, scrapers, or hammer chisel
• Hang parts on racks, hooks, or fixture, or places them on handtrucks or conveyors and charges them into furnace manually or using hoist
• Adjust controls to maintain specified temperature in furnace
• Immerse objects in chemical bath or places objects in containers packs carbonaceous material around them
• Quench heated objects in liquid, like oil or water
• Mark identification on parts
• Perform other duties as described under Helper any industry Master Title.

Dulite machine Bluer Occupation

Job Duties:

• Operate gas furnace that heats metal gun parts to rustproof impart decorative nonreflecting blue finish
• Spray parts with steam to remove grease, grit and dirt
• Place parts in barrel of gas furnace & covers parts with mixture of bone chips whale or pine tar oil
• Close furnace door moves lever to rotate barrel
• Turn gas valves observes pyrometer to regulate temperature of furnace
• Open door after furnace cools, and pulls lever to tilt barrel dump contents into sieve
• Sift parts from bone mixture quenches parts in oil
• Blow oil chips from blued parts, using airhose
• Examine parts to make sure shade and color conform to specifications, utilizing knowledge of heat-treating methods metal properties.

Electronic Induction Hardener Occupation

Job Duties:

• Tend electronic induction machine, according to set procedures, to harden, braze, or anneal metal objects
• Position fastens part in fixture of machine
• Press 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 punch.

Flame annealing machine Setter Occupation

Job Duties:

• Sets up battery of machines that anneal sidewalls of metal cartridge shell cases preparatory to further processing
• Light gas burners and turns valves to regulate flow of gas coolant water
• Start conveyors dial feeder plates and turns setscrews in burner nozzles to direct flames which anneal specific area of cartridge case
• Replace worn dial-feed, burner conveyor parts, using handtools
• Instruct new workers in machine operation
• Observe color and area of dullness of annealed cases to define flame temperature coverage of cases
• Crush random samples between fingers to define degree of annealing attained
• May test cases for hardness [Hardness Inspector heat treating ] examine cases to define grain size of metal, using microscope.

Flame hardening machine Operator Occupation

Job Duties:

• Tend flame-hardening machine, according to set procedures, to case-harden metal objects
• Position fastens part in fixture, on arbor, or between centers of machine
• Press buttons on control panel to light burners that direct flame against part start automatic feeding or spinning mechanism
• Observe machine operation removes finished part
• May anneal metal cartridge or shell cases be designated Flame-Annealing-Machine Operator heat treating .

Flame hardening machine Setter Occupation

Job Duties:

• Sets up flame-hardening machines for Flame-Hardening-Machine Operators heat treating according to metallurgical work order specifications, utilizing knowledge of heat-treating methods metal properties
• Position fixture for holding workpiece fastens fixture to machine, using wrenches
• Mount workpiece in fixture, on arbor, or between centers of machine
• Estimate flame temperature and heating time cycle based on degree of hardness required metal to be treated
• Move controls to light burners adjust flame of oxyacetylene, propane, or other gas to prescribed temperature, judging temperature by flame color
• Start automatic feeding or rotating mechanism that moves part through hardening flame
• Test hardness of sample part [Hardness Inspector heat treating ]
• Adjust automatic feeding or rotating mechanism flame temperature until sample parts meet specifications.

Furnace Feeder Occupation

Job Duties:

• Assist Heat Treater heat treating I or Heat Treater heat treating Ii in annealing, hardening, or tempering metal objects by performing any combination of the following duties
• Clean foreign matter, like scale, rust, or grease, from metal objects, using solvents, wire brushes, scrapers, or hammer chisel
• Hang parts on racks, hooks, or fixture, or places them on handtrucks or conveyors and charges them into furnace manually or using hoist
• Adjust controls to maintain specified temperature in furnace
• Immerse objects in chemical bath or places objects in containers packs carbonaceous material around them
• Quench heated objects in liquid, like oil or water
• Mark identification on parts
• Perform other duties as described under Helper any industry Master Title.

Furnace Loader Occupation

Job Duties:

• Assist Heat Treater heat treating I or Heat Treater heat treating Ii in annealing, hardening, or tempering metal objects by performing any combination of the following duties
• Clean foreign matter, like scale, rust, or grease, from metal objects, using solvents, wire brushes, scrapers, or hammer chisel
• Hang parts on racks, hooks, or fixture, or places them on handtrucks or conveyors and charges them into furnace manually or using hoist
• Adjust controls to maintain specified temperature in furnace
• Immerse objects in chemical bath or places objects in containers packs carbonaceous material around them
• Quench heated objects in liquid, like oil or water
• Mark identification on parts
• Perform other duties as described under Helper any industry Master Title.