Occupation information for Computer Numerically Controlled Tool Operators District Of Columbia

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Typical education needed for entry: High school diploma or equivalent

Typical work experience needed for a job in this occupation: No work experience

Typical on-the-job training once you have a job in this occupation: 1 to 12 months on-the-job training

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• Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
• Set up and operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic workpieces.
• Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
• Review program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.
• Stop machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.
• Implement changes to machine programs, and enter new specifications, using computers.
• Listen to machines during operation to detect sounds such as those made by dull cutting tools or excessive vibration, and adjust machines to compensate for problems.
• Calculate machine speed and feed ratios and the size and position of cuts.
• Transfer commands from servers to computer numerical control (CNC) modules, using computer network links.
• Remove and replace dull cutting tools.

Tools:

• Boring machines
• Calipers
• Milling machines
• Tracer or duplicating or contouring lathe
• Traveling column milling machine

Technology:

• Analytical or scientific software
• Computer aided design CAD software
• Computer aided manufacturing CAM software
• Enterprise resource planning ERP software
• Industrial control software

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