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       CODE: 609.362-010 Buy the DOT:Download/CD-ROM
TITLE(s): NUMERICAL CONTROL MACHINE OPERATOR (machine shop)
Sets up and operates numerical control machine to cut, shape, or form metal workpieces to
specifications: Reviews setup sheet and specifications to determine setup procedure, machining
sequence, and dimensions of finished workpiece. Attaches fixture to machine bed and positions and
secures workpiece in fixture according to setup instructions, using clamps, bolts, handtools, power
tools, and measuring instruments, such as rule and calipers. Assembles cutting tools in toolholders
and positions toolholders in machine spindles as specified, using handtools, or inserts cutting
tools in specified machine magazines. Loads control media, such as disk, tape, or punch card, in
machine control console or enters commands to retrieve preprogrammed machine instructions from data
base. Manipulates controls and enters commands to index cutting tool to specified set point
and to start machine. Observes and listens to machine operation to detect malfunctions, such as worn
or damaged cutting tools. Changes cutting tools and location of workpiece during machining process
as specified in setup instructions. Measures workpiece for conformance to specifications, using
measuring instruments, such as micrometers, dial indicators, and gauges. Notifies supervisor of
discrepancies. May adjust machine feed and speed and change cutters to machine parts according to
specifications when automatic programming is faulty or machine malfunctions. May machine materials
other than metal, such as composites, plastic, and rubber.
GOE: 06.02.02 STRENGTH: M GED: R3 M3 L3 SVP: 5 DLU: 77
ONET CROSSWALK: 91502 Numerical Control Machine Tool Operators and Tenders, Metal and Plastic
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