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Snapshot before the quality program (relevance gates, tiered mapping, QA linter). v1 is the immutable before/after reference; evidence crawl was at ~175/3039 occupations when tagged. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PDKeXvpT6tENSvyQGLV1Uq
60 lines
3.5 KiB
Markdown
60 lines
3.5 KiB
Markdown
---
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name: computer-numerical-control-machine-operator
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description: "Occupational skill for the role 'computer numerical control machine operator' (also: CNC mill operator, cnc machinist, CNC machine operator, CNC drill operator, CNC set up operator, cnc programmer/machinist). Use when the user asks for typical computer numerical control 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."
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---
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# Computer Numerical Control Machine Operator
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Computer numerical control machine operators set-up, maintain and control a computer numerical control machine in order to execute the product orders. They are responsible for programming the machines, ensuring the required parameters and measurements are met while maintaining the quality and safety standards.
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## Core workflow
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1. Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
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2. Revise programs or tapes to eliminate errors, and retest programs to check that problems have been solved.
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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.
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4. Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radii, and curvatures.
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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.
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6. Compare encoded tapes or computer printouts with original part specifications and blueprints to verify accuracy of instructions.
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7. Enter coordinates of hole locations into program memories by depressing pedals or buttons of programmers.
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8. Write programs in the language of a machine's controller and store programs on media, such as punch tapes, magnetic tapes, or disks.
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## How to use this skill
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- Read [references/profile.md](references/profile.md) for the occupation profile and scope.
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- Consult [references/tasks.md](references/tasks.md) for the full task and activity inventory.
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- Check [references/skills.md](references/skills.md) for essential vs. optional competences.
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- Check [references/tools.md](references/tools.md) for the software commonly used in this role.
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## Key competences (essential)
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- consult technical resources
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- ensure equipment availability
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- manufacturing processes
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- monitor automated machines
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- operate precision measuring equipment
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- perform machine maintenance
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- perform test run
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- program a CNC controller
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- quality standards
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- read standard blueprints
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- remove inadequate workpieces
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- remove processed workpiece
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- set up the controller of a machine
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- statistical process control
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- supply machine
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## Hot technologies
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- Autodesk AutoCAD
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- Dassault Systemes SolidWorks
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- Microsoft Outlook
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- Extensible markup language XML
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- SAP software
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- Microsoft Office software
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- Microsoft PowerPoint
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- Microsoft Excel
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- Microsoft Word
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---
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*Sources: ESCO v1.2.1 (http://data.europa.eu/esco/occupation/5c082067-ea18-4ccb-8c43-e70b18ad8120), O*NET 30.3 (51-9162.00). See manifest.json for licensing/attribution.*
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