In addition, newer production techniques, such as team-oriented “lean” manufacturing, require machine operators to rotate between different machines. Rotating assignments results in more varied work but also requires workers to have a wider range of skills.
The following are types of metal and plastic machine workers:
Computer-controlled machine tool operators, metal and plastic operate computer-controlled machines or robots to perform functions on metal or plastic workpieces.
Computer numerically controlled machine tool programmers, metal and plastic develop programs to control the machining or processing of metal or plastic parts by automatic machine tools, equipment, or systems.
Extruding and drawing machine setters, operators, and tenders, metal and plastic set up or operate machines to extrude (pull out) or draw thermoplastic or metal materials into tubes, rods, hoses, wire, bars, or structural shapes.
Forging machine setters, operators, and tenders, metal and plastic set up or operate machines that taper, shape, or form metal or plastic parts.
Rolling machine setters, operators, and tenders, metal and plastic set up or operate machines to roll steel or plastic or to flatten, temper, or reduce the thickness of material.
Cutting, punching, and press machine setters, operators, and tenders, metal and plastic set up or operate machines to saw, cut, shear, notch, bend, or straighten metal or plastic material.
Drilling and boring machine tool setters, operators, and tenders, metal and plastic set up or operate drilling machines to drill, bore, mill, or countersink metal or plastic workpieces.
Grinding, lapping, polishing, and buffing machine tool setters, operators, and tenders, metal and plastic set up or operate grinding and related tools that remove excess material from surfaces, sharpen edges or corners, or buff or polish metal or plastic workpieces.
Lathe and turning machine tool setters, operators, and tenders, metal and plastic set up or operate lathe and turning machines to turn, bore, thread, form, or face metal or plastic materials, such as wire or rod.
Milling and planing machine setters, operators, and tenders, metal and plastic set up or operate milling or planing machines to shape, groove, or profile metal or plastic workpieces.
Metal-refining furnace operators and tenders operate or tend furnaces, such as gas, oil, coal, electric-arc or electric induction, open-hearth or oxygen furnaces to melt and refine metal before casting or to produce specified types of steel.
Pourers and casters, metal operate hand-controlled mechanisms to pour and regulate the flow of molten metal into molds to produce castings or ingots.
Model makers, metal and plastic set up and operate machines, such as milling and engraving machines and jig borers, to make working models of metal or plastic objects.
Patternmakers, metal and plastic lay out, machine, fit, and assemble castings and parts to metal or plastic foundry patterns, coreboxes, or match plates.
Foundry mold and coremakers make or form wax or sand cores or molds used in the production of metal castings in foundries.
Molding, coremaking, and casting machine setters, operators, and tenders, metal and plastic set up or operate metal or plastic molding, casting, or coremaking machines to mold or cast metal or thermoplastic parts or products.
Multiple machine tool setters, operators, and tenders, metal and plastic set up or operate more than one type of cutting or forming machine tool or robot.
Welding, soldering, and brazing machine setters, operators, and tenders (including workers who operate laser cutters or laser-beam machines) set up or operate welding, soldering, or brazing machines or robots that weld, braze, solder, or heat treat metal products, components, or assemblies.
Heat treating equipment setters, operators, and tenders, metal and plastic set up or operate heating equipment, such as heat treating furnaces, flame-hardening machines, induction machines, soaking pits, or vacuum equipment, to temper, harden, anneal, or heat treat metal or plastic objects.
Plating and coating machine setters, operators, and tenders, metal and plastic set up or operate plating or coating machines to coat metal or plastic products with zinc, copper, nickel, or some other metal to protect or decorate surfaces (includes electrolytic processes).
Work Environment
Metal and plastic machine workers typically work in a well-ventilated environment.
Metal and plastic machine workers held about 939,700 jobs in 2010. Nearly all worked in manufacturing industries.
Employment in the detailed occupations that make up this group was distributed as follows:
Cutting, punching, and press machine setters,
operators, and tenders, metal and plastic 183,900
Computer-controlled machine tool operators, metal and plastic 125,100
Molding, coremaking, and casting machine setters, operators,
and tenders, metal and plastic 115,200
Extruding and drawing machine setters, operators, and tenders,
metal and plastic 76,500
Grinding, lapping, polishing, and buffing machine tool setters,
operators, and tenders, metal and plastic 72,600
Multiple machine tool setters, operators, and tenders, metal and plastic 70,400
Lathe and turning machine tool setters, operators, and tenders,
metal and plastic 41,900
Welding, soldering, and brazing machine setters, operators, and tenders 41,500
Rolling machine setters, operators, and tenders, metal and plastic 32,200
Plating and coating machine setters, operators, and tenders, metal and plastic 31,200
Drilling and boring machine tool setters, operators, and tenders,
metal and plastic 22,700
Forging machine setters, operators, and tenders, metal and plastic 22,500
Milling and planing machine setters, operators, and tenders,
metal and plastic 20,800
Heat treating equipment setters, operators, and tenders, metal and plastic 18,600
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