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Milling and Planing Machine Setters, Operators, and Tenders, Metal and Plastic - 51-4035.00

O*NET-SOC Description

Set up, operate, or tend milling or planing machines to mill, plane, shape, groove, or profile metal or plastic work pieces.

Sample of Reported Job Titles

  • CNC Inspector (Computer Numerical Control Inspector)
  • CNC Lathe Operator (Computer Numerical Control Lathe Operator)
  • CNC Machine Operator (Computerized Numerical Control Machine Operator)
  • CNC Machinist (Computerized Numerical Control Machinist)
  • CNC Mill Operator (Computerized Numerical Control Mill Operator)
  • CNC Mill Set Up Operator (Computerized Numerical Control Mill Set Up Operator)
  • CNC Operator (Computerized Numerical Control Operator)
  • CNC Programmer (Computerized Numerical Control Programmer)
  • Machine Operator
  • Mill Operator

SOC Occupation Groups

51-0000 Production Occupations
51-4000 Metal Workers and Plastic Workers
51-4030 Machine Tool Cutting Setters, Operators, and Tenders, Metal and Plastic
51-4035.00 Milling and Planing Machine Setters, Operators, and Tenders, Metal and Plastic

Related Occupations


  • Compute dimensions, tolerances, and angles of workpieces or machines, according to specifications and knowledge of metal properties and shop mathematics.
  • Make templates or cutting tools.
  • Mount attachments and tools such as pantographs, engravers, or routers to perform other operations such as drilling or boring.
  • Move controls to set cutting specifications, to position cutting tools and workpieces in relation to each other, and to start machines.
  • Move cutters or material manually or by turning handwheels, or engage automatic feeding mechanisms to mill workpieces to specifications.
  • Observe milling or planing machine operation and adjust controls to ensure conformance with specified tolerances.
  • Position and secure workpieces on machines, using holding devices, measuring instruments, hand tools, and hoists.
  • Record production output.
  • Remove workpieces from machines, and check to ensure that they conform to specifications, using measuring instruments such as microscopes, gauges, calipers, and micrometers.
  • Replace worn tools, using hand tools, and sharpen dull tools, using bench grinders.
  • Select and install cutting tools and other accessories according to specifications, using hand tools or power tools.
  • Select cutting speeds, feed rates, and depths of cuts, applying knowledge of metal properties and shop mathematics.
  • Study blueprints, layouts, sketches, or work orders to assess workpiece specifications and to determine tooling instructions, tools and materials needed, and sequences of operations.
  • Turn valves or pull levers to start and regulate the flow of coolant or lubricant to work areas.
  • Verify alignment of workpieces on machines, using measuring instruments such as rules, gauges, or calipers.

Detailed Work Activities

  • Adjust equipment controls to regulate coolant flow.
  • Align parts or workpieces to ensure proper assembly.
  • Calculate dimensions of workpieces, products, or equipment.
  • Construct patterns, templates, or other work aids.
  • Determine production equipment settings.
  • Feed materials or products into or through equipment.
  • Monitor equipment operation to ensure that products are not flawed.
  • Mount attachments or tools onto production equipment.
  • Mount materials or workpieces onto production equipment.
  • Operate grinding equipment.
  • Read work orders or other instructions to determine product specifications or materials requirements.
  • Record operational or production data.
  • Remove products or workpieces from production equipment.
  • Replace worn equipment components.
  • Review blueprints or other instructions to determine operational methods or sequences.
  • Select production equipment according to product specifications.
  • Set equipment controls to meet cutting specifications.
  • Sharpen cutting or grinding tools.

Military Crosswalk Titles

  • Machinery Repairman (Navy - Enlisted)
  • Machinist (Marine Corps - Enlisted)

Apprenticeship Crosswalk Titles

  • Milling-Machine Set-Up Operator I
  • Pantograph-Machine Set-Up Operator

DOT Crosswalk Titles

  • Barrel Rifler
  • Barrel-Rib Matting-Machine Operator
  • Beveler, Printed Circuit Boards
  • Broaching-Machine Operator, Production
  • Broaching-Machine Set-Up Operator
  • Engraver, Tire Mold
  • File Cutter
  • Hooking-Machine Operator
  • Jewel Stripper
  • Keyseating-Machine Set-Up Operator
  • Lever Miller
  • Magnesium-Mill Operator
  • Milling-Machine Set-Up Operator I
  • Milling-Machine Set-Up Operator II
  • Milling-Machine Tender
  • Pantograph-Machine Set-Up Operator
  • Planer Set-Up Operator, Tool
  • Planer-Type-Milling-Machine Set-Up Operator
  • Planing-Machine Operator
  • Profiling-Machine Operator
  • Profiling-Machine Set-Up Operator I
  • Profiling-Machine Set-Up Operator II
  • Profiling-Machine Set-Up Operator, Tool
  • Rotary-Head-Milling-Machine Set-Up Operator
  • Router Machine Operator
  • Router Operator
  • Router, Printed Circuit Boards
  • Scalper Operator
  • Scribing-Machine Operator
  • Shaper Set-Up Operator, Tool
  • Squaring-Machine Operator
  • Steel-Wool-Machine Operator
  • Thread-Milling-Machine Set-Up Operator
  • Tooth Cutter
  • Tooth Cutter, Escape Wheel
  • Wheel Cutter