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skillfactor-pipeline/skills/milling-machine-operator/SKILL.md
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PDKeXvpT6tENSvyQGLV1Uq
2026-07-09 05:32:49 +02:00

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name, description
name description
milling-machine-operator Occupational skill for the role 'milling machine operator' (also: cnc miller, numerical controlled milling machine technician, numerical controlled milling operator, vertical machining centre operator, milling machine set-up operator, cnc turner/setter). Use when the user asks for typical milling machine operator work such as: Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.; Revise programs or tapes to eliminate errors, and retest programs to check that problems have been solved.; Analyze job orders, drawings, blueprints, specifications, printed circuit board pattern films, and design data to calculate dimensions, tool selection, machine speeds, and feed rates.

Milling Machine Operator

Milling machine operators set up, program and control milling machines, designed to cut excess material from metal workpieces using a computer-controlled rotary-cutting, milling cutter. They read milling machine blueprints and tooling instructions, perform regular machine maintenance, and make adjustments to the milling controls, such as the depth of cuts or the rotation speed.

Core workflow

  1. Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
  2. Revise programs or tapes to eliminate errors, and retest programs to check that problems have been solved.
  3. Analyze job orders, drawings, blueprints, specifications, printed circuit board pattern films, and design data to calculate dimensions, tool selection, machine speeds, and feed rates.
  4. Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radii, and curvatures.
  5. Observe machines on trial runs or conduct computer simulations to ensure that programs and machinery will function properly and produce items that meet specifications.
  6. Compare encoded tapes or computer printouts with original part specifications and blueprints to verify accuracy of instructions.
  7. Enter coordinates of hole locations into program memories by depressing pedals or buttons of programmers.
  8. Write programs in the language of a machine's controller and store programs on media, such as punch tapes, magnetic tapes, or disks.

How to use this skill

Key competences (essential)

  • CAM software
  • consult technical resources
  • dispose of cutting waste material
  • ensure equipment availability
  • interpret geometric dimensions and tolerances
  • manufacturing processes
  • monitor automated machines
  • operate precision measuring equipment
  • perform machine maintenance
  • perform test run
  • quality and cycle time optimisation
  • quality standards
  • read standard blueprints
  • remove inadequate workpieces
  • remove processed workpiece

Hot technologies

  • Autodesk AutoCAD
  • Dassault Systemes SolidWorks
  • Microsoft Outlook
  • Extensible markup language XML
  • SAP software
  • Microsoft Office software
  • Microsoft PowerPoint
  • Microsoft Excel
  • Microsoft Word

Sources: ESCO v1.2.1 (http://data.europa.eu/esco/occupation/a1c9f8b7-c4ce-4b15-ac3c-3378c300d8f2), ONET 30.3 (51-9162.00). See manifest.json for licensing/attribution.*