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Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic - 51-4081.00

O*NET-SOC Description

Set up, operate, or tend more than one type of cutting or forming machine tool or robot.

Sample of Reported Job Titles

  • Cell Technician
  • CNC Machine Setter (Computer Numerically Controlled Machine Setter)
  • Fabrication Set-Up Person
  • Injection Molding Technician
  • Machine Operator
  • Machine Technician
  • Mold Setter
  • Production Operator
  • Shear Operator
  • Tooling Set-Up Person

SOC Occupation Groups

51-0000 Production Occupations
51-4000 Metal Workers and Plastic Workers
51-4080 Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic
51-4081.00 Multiple Machine Tool Setters, Operators, and Tenders, Metal and Plastic

Related Occupations


  • Align layout marks with dies or blades.
  • Change worn machine accessories, such as cutting tools or brushes, using hand tools.
  • Compute data, such as gear dimensions or machine settings, applying knowledge of shop mathematics.
  • Extract or lift jammed pieces from machines, using fingers, wire hooks, or lift bars.
  • Inspect workpieces for defects, and measure workpieces to determine accuracy of machine operation, using rules, templates, or other measuring instruments.
  • Instruct other workers in machine set-up and operation.
  • Make minor electrical and mechanical repairs and adjustments to machines and notify supervisors when major service is required.
  • Measure and mark reference points and cutting lines on workpieces, using traced templates, compasses, and rules.
  • Move controls or mount gears, cams, or templates in machines to set feed rates and cutting speeds, depths, and angles.
  • Observe machine operation to detect workpiece defects or machine malfunctions, adjusting machines as necessary.
  • Perform minor machine maintenance, such as oiling or cleaning machines, dies, or workpieces, or adding coolant to machine reservoirs.
  • Position, adjust, and secure stock material or workpieces against stops, on arbors, or in chucks, fixtures, or automatic feeding mechanisms, manually or using hoists.
  • Read blueprints or job orders to determine product specifications and tooling instructions and to plan operational sequences.
  • Record operational data, such as pressure readings, lengths of strokes, feed rates, or speeds.
  • Remove burrs, sharp edges, rust, or scale from workpieces, using files, hand grinders, wire brushes, or power tools.
  • Select the proper coolants and lubricants and start their flow.
  • Select, install, and adjust alignment of drills, cutters, dies, guides, and holding devices, using templates, measuring instruments, and hand tools.
  • Set machine stops or guides to specified lengths as indicated by scales, rules, or templates.
  • Set up and operate machines, such as lathes, cutters, shears, borers, millers, grinders, presses, drills, or auxiliary machines, to make metallic and plastic workpieces.
  • Start machines and turn handwheels or valves to engage feeding, cooling, and lubricating mechanisms.
  • Write programs for computer numerical control (CNC) machines to cut metal and plastic materials.

Detailed Work Activities

  • Adjust equipment controls to regulate coolant flow.
  • Adjust equipment controls to regulate flow of production materials or products.
  • Adjust equipment controls to regulate flow of water, cleaning solutions, or other liquids.
  • Align parts or workpieces to ensure proper assembly.
  • Calculate dimensions of workpieces, products, or equipment.
  • Clean production equipment.
  • Clear equipment jams.
  • Instruct workers to use equipment or perform technical procedures.
  • Lubricate production equipment.
  • Maintain production or processing equipment.
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
  • Measure materials to mark reference points, cutting lines, or other indicators.
  • Mount attachments or tools onto production equipment.
  • Mount materials or workpieces onto production equipment.
  • Notify others of equipment repair or maintenance needs.
  • Operate cutting equipment.
  • Operate grinding equipment.
  • Operate metal or plastic forming equipment.
  • Program equipment to perform production tasks.
  • Read work orders or other instructions to determine product specifications or materials requirements.
  • Record operational or production data.
  • Repair production equipment or tools.
  • Replace worn equipment components.
  • Review blueprints or other instructions to determine operational methods or sequences.
  • Select production equipment according to product specifications.
  • Select production input materials.
  • Set equipment controls to meet cutting specifications.
  • Set equipment guides, stops, spacers, or other fixtures.
  • Smooth metal surfaces or edges.
  • Watch operating equipment to detect malfunctions.
  • Write computer programming code.

Military Crosswalk Titles

  • Advanced Machinery Repairman (Navy - Enlisted)
  • Aircraft Metals Technology (Air Force - Enlisted)
  • Aircraft Metals Technology Apprentice (Air Force - Enlisted)
  • Aircraft Metals Technology Craftsman (Air Force - Enlisted)
  • Aircraft Metals Technology Helper (Air Force - Enlisted)
  • Aircraft Metals Technology Journeyman (Air Force - Enlisted)
  • Allied Trades Specialist (Army - Enlisted)
  • Allied Trades Warrant Officer (Army - Warrant Officer only)
  • Machinery Repairman (Navy - Enlisted)
  • Machinery Repairman Apprentice (Navy - Enlisted)
  • Machinery Repairman Journeyman (Navy - Enlisted)
  • Machinery Technician (Coast Guard - Enlisted)
  • Machinist (Marine Corps - Enlisted)
  • Marine Safety Specialist Engineer (Coast Guard - Warrant Officer only)
  • Metal Worker (Marine Corps - Enlisted)
  • Naval Engineering Specialty (Coast Guard - Warrant Officer only)
  • Rubber and Plastics Worker (Navy - Enlisted)

Apprenticeship Crosswalk Titles

  • Four-Slide-Machine Setter
  • Gear Hobber Setup Operator
  • Gear-Cutting-Mach Setup Operator
  • Gearcut-Machnist Set-Up Oper. Tool
  • Gunsmith
  • Machine Set-Up Operator
  • Machine Setter (Any Ind)
  • Machine Setter (Clock)
  • Machine Setter (Mach Shop)
  • Machine Tryout Setter
  • Maker Professional (Existing Title: Machine Operator 1)
  • Ornamental Metal Worker
  • Spring Maker
  • Spring-Manuftrg Set-Up Technician
  • Tool Machine Set-Up Operator

DOT Crosswalk Titles

  • Automatic-Wheel-Line Operator
  • Electrode Turner-and-Finisher
  • Four-Slide-Machine Setter
  • Gear Hobber Set-Up Operator
  • Gear-Cutting-Machine Operator, Production
  • Gear-Cutting-Machine Set-Up Operator
  • Gear-Cutting-Machine Set-Up Operator, Tool
  • Gear-Generator Set-Up Operator, Spiral Bevel
  • Gear-Generator Set-Up Operator, Straight Bevel
  • Gear-Milling-Machine Set-Up Operator
  • Gear-Shaper Set-Up Operator
  • Gear-Shaver Set-Up Operator
  • Gunsmith
  • Gunsmith, Ballistics Laboratory
  • Machine Operator I
  • Machine Operator II
  • Machine Operator, Centrifugal-Control Switches
  • Machine Set-Up Operator
  • Machine Setter
  • Machine Try-Out Setter
  • Multi-Operation-Forming-Machine Operator I
  • Ornamental-Metal Worker
  • Ornamental-Metal-Worker Apprentice
  • Production Machine Tender
  • Spring Maker
  • Spring-Manufacturing Set-Up Technician
  • Tool-Machine Set-Up Operator
  • Transfer-Machine Operator
  • Trim-Machine Operator