Job Description:

• 1) Sets up flame-hardening machines for FLAME-HARDENING-MACHINE OPERATORS according to metallurgical work order specifications, utilizing knowledge of heat-treating methods and metal properties: Positions fixture for holding workpiece and fastens fixture to machine, using wrenches.

• 2) Mounts workpiece in fixture, on arbor, or between centers of machine.

• 3) Estimates flame temperature and heating time cycle based on degree of hardness required and metal to be treated.

• 4) Moves controls to light burners and adjust flame of oxyacetylene, propane, or other gas to prescribed temperature, judging temperature by flame color.

• 5) Starts automatic feeding or rotating mechanism that moves part through hardening flame.

• 6) Tests hardness of sample part.

• 7) Adjusts automatic feeding or rotating mechanism and flame temperature until sample parts meet specifications.