Computer Numerically Controlled Tool Programmers

What the job really is

Develop programs to control machining or processing of materials by automatic machine tools, equipment, or systems. May also set up, operate, or maintain equipment.

At a glance

• Sector: Production
• O*NET-SOC code: 51-9162
• O*NET job zone: 2 — some preparation
• Work sample tasks on file: 12
• Tools and technologies listed: 12

What you actually do

Work sample tasks recorded for this occupation:

• Determine the sequence of machine operations, and select the proper cutting tools needed to machine workpieces into the desired shapes.
• Analyze job orders, drawings, blueprints, specifications, printed circuit board pattern films, and design data to calculate dimensions, tool selection, machine speeds, and feed rates.
• Observe machines on trial runs or conduct computer simulations to ensure that programs and machinery will function properly and produce items that meet specifications.
• Write programs in the language of a machine's controller and store programs on media, such as punch tapes, magnetic tapes, or disks.
• Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radii, and curvatures.
• Enter computer commands to store or retrieve parts patterns, graphic displays, or programs that transfer data to other media.
• Revise programs or tapes to eliminate errors, and retest programs to check that problems have been solved.
• Modify existing programs to enhance efficiency.
• Enter coordinates of hole locations into program memories by depressing pedals or buttons of programmers.
• Sort shop orders into groups to maximize materials utilization and minimize machine setup time.
• Compare encoded tapes or computer printouts with original part specifications and blueprints to verify accuracy of instructions.
• Prepare geometric layouts from graphic displays, using computer-assisted drafting software or drafting instruments and graph paper.

Tools and technology

Autodesk AutoCAD, Dassault Systemes SolidWorks, Extensible markup language XML, G-code, Mastercam computer-aided design and manufacturing software, Microsoft Excel, Microsoft Office software, Microsoft Outlook, Microsoft PowerPoint, Microsoft Word, SAP software, 1CadCam Unigraphics

What employers expect you to already be comfortable with.

Where this job leads

Related occupations — the usual moves up and sideways:

• Computer Numerically Controlled Tool Operators
• Machinists
• Robotics Technicians
• Model Makers, Metal and Plastic
• Electromechanical Equipment Assemblers
• Mechanical Drafters
• Mechanical Engineering Technologists and Technicians
• Electrical and Electronic Engineering Technologists and Technicians

Getting in

O*NET assigns this occupation job zone 2 (some preparation). The related occupations above are the realistic routes in and out.

Find openings

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Check this against the source

O*NET OnLine: Computer Numerically Controlled Tool Programmers — the authoritative public-domain profile this page is derived from, including the full task list, reported skills and the wage estimates for your region.

Derived and rewritten from the public-domain O*NET database (U.S. Department of Labor / Employment and Training Administration). Figures are observations, not promises — always confirm salary, licensing and visa requirements with the employer and the relevant authority.