Job Description:

• 1) Operates thermit welding machine to join metal components, such as crankshafts, ship stern frames, machine parts, and railroad and craneway rails.

• 2) Aligns and secures parts in holding fixture.

• 3) Cuts gap in parts parallel to joint, using gas torch.

• 4) Places wax pattern and mold box around gap.

• 5) Places gate and riser patterns into specific positions.

• 6) Pulls plug to automatically pour specified amount of thermit material into mold box.

• 7) Ignites kerosene preheater to melt wax and dry mold, using gas torch.

• 8) Places powder on thermit material and ignites compound, using gas torch, to start thermit welding reaction.

• 9) Breaks mold, using handtools.

• 10) Cuts off gates and risers, using gas torch.