Computer Numerically Controlled Tool Operators
Human Advantage 65%
Significant human skills needed
AI Automation Risk Moderate Risk
3.7 / 10
Some tasks in this role may be augmented by AI, but human oversight and interpersonal skills remain important.
Operate computer-controlled tools, machines, or robots to machine or process parts, tools, or other work pieces made of metal, plastic, wood, stone, or other materials. May also set up and maintain equipment.
Also Known As: Aircraft Metals Technician, Automated Cutting Machine Operator, Automated Equipment Operator, Automation Machine Operator, CNC Gear Operator (Computer Numerical Control Gear Operator), CNC Laser Operator (Computer Numerical Control Laser Operator), CNC Lathe Operator (Computer Numerical Control Lathe Operator), CNC Machine Operator (Computer Numerical Control Machine Operator) +41 more
Core Tasks
- 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.
- 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.
- Implement changes to machine programs, and enter new specifications, using computers.
- 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.
- Check to ensure that workpieces are properly lubricated and cooled during machine operation.
- Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.
- Monitor machine operation and control panel displays, and compare readings to specifications to detect malfunctions.
- Maintain machines and remove and replace broken or worn machine tools, using hand tools.
- Insert control instructions into machine control units to start operation.
- Modify cutting programs to account for problems encountered during operation, and save modified programs.
- Write simple programs for computer-controlled machine tools.
- Lift workpieces to machines manually or with hoists or cranes.
- Input initial part dimensions into machine control panels.
- Set up future jobs while machines are operating.
- Confer with supervisors or programmers to resolve machine malfunctions or production errors or to obtain approval to continue production.
- Stack or load finished items, or place items on conveyor systems.
- Control coolant systems.
- Clean machines, tooling, or parts, using solvents or solutions and rags.
Supplemental Tasks (3)
- Enter commands or load control media, such as tapes, cards, or disks, into machine controllers to retrieve programmed instructions.
- Lay out and mark areas of parts to be shot peened and fill hoppers with shot.
- Examine electronic components for defects or completeness of laser-beam trimming, using microscopes.
Education & Training
Job Zone 2 Job Zone Two: Some Preparation Needed
Education: These occupations usually require a high school diploma.
Experience: Some previous work-related skill, knowledge, or experience is usually needed. For example, a teller would benefit from experience working directly with the public.
On-the-Job Training: Employees in these occupations need anywhere from a few months to one year of working with experienced employees. A recognized apprenticeship program may be associated with these occupations.
Education Level Distribution
Percentage of workers in this occupation with each education level.
Technology & Tools
Hot Technologies
Software (61)
Tools & Equipment (72)
Where This Career Leads
Career progression organized by specialty track and experience level.
Production & Automation Advanced Manufacturing
Zone 1
Zone 2
Computer Numerically Controlled Tool Operators You are here
Zone 4
Fuel Cell Engineers 79% match
Zone 5
Microsystems Engineers 78% match
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