Will AI replace Computer Numerically Controlled Tool Operators?

AI can do 35% of the work Computer Numerically Controlled Tool Operators do at least twice as fast. People already use it for 1 of their 27 tasks, while 9 more are ready but barely used so far. Robots can technically handle 15 physical tasks. 2 still need a person.

AI is already doing this1 · 1% of time

People already use AI for these tasks in real work, based on Anthropic's analysis of how Claude is used.

  • Enter commands or load control media, such as tapes, cards, or disks, into machine controllers to retrieve programmed instructions.Mostly automated1% of time

AI could do this next9 · 34% of time

AI can speed these up by at least half, but real use has not caught up yet. These are next in line.

  • Set up and operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic workpieces.20% of time
  • Review program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.4% of time
  • Set up future jobs while machines are operating.2% of time
  • Implement changes to machine programs, and enter new specifications, using computers.2% of time
  • Modify cutting programs to account for problems encountered during operation, and save modified programs.1% of time
  • Insert control instructions into machine control units to start operation.1% of time
  • Input initial part dimensions into machine control panels.1% of time
  • Transfer commands from servers to computer numerical control (CNC) modules, using computer network links.1% of time
  • Write simple programs for computer-controlled machine tools.1% of time

Robots can technically do this15 · 61% of time

Physical tasks that today's robots can perform in at least some settings. Robots are cost competitive for very few tasks so far, so this change moves slower.

  • Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.Robots: purpose built settings12% of time
  • Monitor machine operation and control panel displays, and compare readings to specifications to detect malfunctions.Robots: structured workplaces10% of time
  • Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.Robots: purpose built settings9% of time
  • Stop machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.Robots: purpose built settings9% of time
  • Maintain machines and remove and replace broken or worn machine tools, using hand tools.Robots: purpose built settings4% of time
  • Clean machines, tooling, or parts, using solvents or solutions and rags.Robots: purpose built settings4% of time
  • Remove and replace dull cutting tools.Robots: purpose built settings2% of time
  • 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.Robots: structured workplaces2% of time
  • Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.Robots: purpose built settings2% of time
  • Lift workpieces to machines manually or with hoists or cranes.Robots: purpose built settings2% of time
  • Stack or load finished items, or place items on conveyor systems.Robots: structured workplaces2% of time
  • Check to ensure that workpieces are properly lubricated and cooled during machine operation.Robots: purpose built settings1% of time
  • Control coolant systems.Robots: structured workplaces1% of time
  • Examine electronic components for defects or completeness of laser-beam trimming, using microscopes.Robots: purpose built settingsunder 1% of time
  • Lay out and mark areas of parts to be shot peened and fill hoppers with shot.Robots: purpose built settingsunder 1% of time

Still needs a person2 · 4% of time

No real AI use, no proven AI speedup and no robot that can do it yet. This is the part of the job to build on.

  • Confer with supervisors or programmers to resolve machine malfunctions or production errors or to obtain approval to continue production.2% of time
  • Calculate machine speed and feed ratios and the size and position of cuts.1% of time

Your week is not the average

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What this means

AI can speed up parts of this job, mostly the paperwork and information work around it. The core still depends on hands, presence or relationships. Robots are the other change to watch: they can technically do 84% of the working time.

What to do next

  • Do the 1 task AI is already handling with AI yourself. Your peers already are, and it is quickly becoming the baseline.
  • Get ahead on the 9 tasks AI could do next. These move as tools improve, so learning them early pays off.
  • Keep an eye on the 15 physical tasks robots can technically do. Cost keeps most robots out of work today, so this shift is slower.
  • Build on the 2 tasks that stay human. This is where your judgment, skill and relationships matter most.
Computer Numerically Controlled Tool Programmers78%Gem and Diamond Workers33%Inspectors, Testers, Sorters, Samplers, and Weighers25%Jewelers and Precious Stone and Metal Workers22%Photographic Process Workers and Processing Machine Operators53%Glass Blowers, Molders, Benders, and Finishers16%

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