Job Description:

• 1) Breaks extruded tubes and rods by one or more of following methods and inspects exposed surface for defects, such as bubbles beneath skin of metal resulting from too rapid extrusion: Nicks workpiece, using file or saw, and breaks workpiece at nick by bending back and forth.

• 2) Saws off piece of tube and holds on table under cone-shaped expander of hydraulic breaker.

• 3) Starts mechanism to raise table, forcing tube over expander to split sides of tube.

• 4) Loads coiled rod onto coil tester and pulls end of rod to straighten it.

• 5) Places end of rod in channel of tester and starts mechanism oscillating to fracture rod.

• 6) Places rod in machine and actuates wedge to partially cut rod.

• 7) Twists and bends rod to break off test piece.

• 8) Examines ends or interior of rods and tubes for bubbles and cuts off defective sections, using circular saw or automatic shears.

• 9) Gathers and sorts scrap materials according to type of metal.

• 10) Positions rods and tubes on table of circular saw or shearing machine and cuts them to length.

• 11) Important variables may be indicated by trade names of machines used or workpiece tested.