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.
<ul><li>Adjust machine controls and change tool settings to keep dimensions within specified tolerances.</li><li>Replace worn tools, and sharpen dull cutting tools and dies, using bench grinders or cutter-grinding machines.</li><li>Inspect sample workpieces to verify conformance with specifications, using instruments such as gauges, micrometers, and dial indicators.</li><li>Start lathe or turning machines and observe operations to ensure that specifications are met.</li><li>Position, secure, and align cutting tools in toolholders on machines, using hand tools, and verify their positions with measuring instruments.</li><li>Crank machines through cycles, stopping to adjust tool positions and machine controls to ensure specified timing, clearances, and tolerances.</li><li>Study blueprints, layouts or charts, and job orders for information on specifications and tooling instructions, and to determine material requirements and operational sequences.</li><li>Move controls to set cutting speeds and depths and feed rates, and to position tools in relation to workpieces.</li><li>Select cutting tools and tooling instructions, according to written specifications or knowledge of metal properties and shop mathematics.</li><li>Refill, change, and monitor the level of fluids, such as oil and coolant, in machines.</li><li>Install holding fixtures, cams, gears, and stops to control stock and tool movement, using hand tools, power tools, and measuring instruments.</li><li>Compute unspecified dimensions and machine settings, using knowledge of metal properties and shop mathematics.</li><li>Lift metal stock or workpieces manually or using hoists, and position and secure them in machines, using fasteners and hand tools.</li><li>Move toolholders manually or by turning handwheels, or engage automatic feeding mechanisms to feed tools to and along workpieces.</li><li>Turn valve handles to direct the flow of coolant onto work areas or to coat disks with spinning compounds.</li></ul>