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       CODE: 614.684-014 Buy the DOT:Download/CD-ROM
TITLE(s): TESTER OPERATOR (nonfer. metal) alternate titles: breaker operator; nicker and breaker
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: (1) 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. Starts mechanism
to raise table, forcing tube over expander to split sides of tube. (3) Loads coiled rod onto coil
tester and pulls end of rod to straighten it. Places end of rod in channel of tester and starts
mechanism oscillating to fracture rod. (4) Places rod in machine and actuates wedge to partially cut
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.
GOE: 06.03.02 STRENGTH: M GED: R2 M2 L2 SVP: 3 DLU: 77
ONET CROSSWALK: 83005A Production Inspectors, Testers, Graders, Sorters, Samplers, Weighers
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