Starts mechanism to raise table, forcing tube over expander to split sides of tube.
Places end of rod in channel of tester and starts mechanism oscillating to fracture rod.
Twists and bends rod to break off test piece. Examines ends or interior of rods and tubes for bubbles and cuts off defective sections, using circular saw or automatic shears. Gathers and sorts scrap materials according to type of metal. Positions rods and tubes on table of circular saw or shearing machine and cuts them to length. Important variables may be indicated by trade names of machines used or workpiece tested.