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       CODE: 613.482-014 Buy the DOT:Download/CD-ROM
TITLE(s): PIERCING-MACHINE OPERATOR (nonfer. metal) alternate titles: piercer operator
Sets up and operates piercing machine to shape metal tubes from billets or enlarge inside diameter
of shells according to job order or blueprints: Selects, positions, and adjusts piercing rolls,
which rotate and shape outside of tube, using hoists, wrenches, measuring instruments, and knowledge
of metal properties. Attaches specified piercing point to arbor to form and control size of internal
diameter of tube. Adjusts feed guides, stops, tailstock, and arbor rings according to size of
workpiece, using handtools. Moves levers to control movement of heated billet as it advances through
rolls and over piercing point. Measures finished workpiece to verify conformance to specifications,
using calipers, fixed gauges, and micrometers. May be specified by employer according to experience
with particular material worked or machine operated.
GOE: 06.02.02 STRENGTH: M GED: R3 M2 L2 SVP: 5 DLU: 77
ONET CROSSWALK: 91314 Rolling Machine Setters and Set-Up Operators, Metal and Plastic
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