Lathe & Turning Machine Tool Setters, Operators, & Tenders, Metal & Plastic

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Code: 51-4034.00

Description : Set up, operate, or tend lathe and turning machines to turn, bore, thread, form, or face metal or plastic materials, such as wire, rod, or bar stock.

JobTitles : Machinist, Lathe Operator, Computer Numerical Control Lathe Operator (CNC Lathe Operator), Machine Operator, Tool Maker, Set Up / Operator, Computer Numerical Control Machinist (CNC Machinist), Computer Numerical Control Operator (CNC Operator), Numerical Control Operator (NC Operator), Screw Machine Operator

Tasks:
  • Inspect sample workpieces to verify conformance with specifications, using instruments such as gauges, micrometers, and dial indicators.
  • Study blueprints, layouts or charts, and job orders for information on specifications and tooling instructions, and to determine material requirements and operational sequences.
  • Adjust machine controls and change tool settings to keep dimensions within specified tolerances.
  • Move controls to set cutting speeds and depths and feed rates, and to position tools in relation to workpieces.
  • Start lathe or turning machines and observe operations to ensure that specifications are met.
  • Select cutting tools and tooling instructions, according to written specifications or knowledge of metal properties and shop mathematics.
  • Crank machines through cycles, stopping to adjust tool positions and machine controls to ensure specified timing, clearances, and tolerances.
  • Lift metal stock or workpieces manually or using hoists, and position and secure them in machines, using fasteners and hand tools.
  • Replace worn tools, and sharpen dull cutting tools and dies using bench grinders or cutter-grinding machines.
  • Position, secure, and align cutting tools in toolholders on machines, using hand tools, and verify their positions with measuring instruments.