Job Description:

• 1) 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.

• 2) 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.

• 3) Assembles cutting tools in toolholders and positions toolholders in machine spindles as specified, using handtools, or inserts cutting tools in specified machine magazines.

• 4) 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.

• 5) Manipulates controls and enters commands to index cutting tool to specified set point and to start machine.

• 6) Observes and listens to machine operation to detect malfunctions, such as worn or damaged cutting tools.

• 7) Changes cutting tools and location of workpiece during machining process as specified in setup instructions.

• 8) Measures workpiece for conformance to specifications, using measuring instruments, such as micrometers, dial indicators, and gauges.

• 9) Notifies supervisor of discrepancies.

• 10) May adjust machine feed and speed and change cutters to machine parts according to specifications when automatic programming is faulty or machine malfunctions.

• 11) May machine materials other than metal, such as composites, plastic, and rubber.