Machinists
Official O*NET title: Machinists (51-4041.00)
Also called: cnc machinist, gear machinist, machine repair person, machinist, maintenance machinist
Do you do this at work?
Answer each card — it takes about a minute.
Do you do this at work?
Calculate dimensions or tolerances, using instruments
Swipe right for yes, left for not me. On a keyboard: → yes, ← not me, Z undo. +2 XP per answer.
How AI is changing machinists work
4 of 20 measurable main tasks for this job show up in real AI-use data, so we rate it Green (little AI use yet) — 20%.
This shows where people already use AI, not whether the job will disappear. How we measure this.
Tasks in this job and recorded AI use
- Calculate dimensions or tolerances, using instruments (main task) — some recorded AI use
- Talk with engineering, supervisory, or manufacturing staff to exchange technical information (main task) — some recorded AI use
- Separate scrap waste and related materials for reuse, recycling, or disposal (main task) — some recorded AI use
- Program computers or electronic instruments (main task) — some recorded AI use
- Machine parts to specifications, using machine tools (main task) — no recorded AI use
- Measure, examine, or test completed units to check for defects and make sure conformance to specifications, using precision instruments (main task) — no recorded AI use
- Set up, adjust, or operate basic or specialized machine tools used to perform precision machining operations (main task) — no recorded AI use
- Study sample parts, blueprints, drawings, or engineering information to determine methods or sequences of operations needed to fabricate products (main task) — no recorded AI use
- Monitor the feed and speed of machines during the machining process (main task) — no recorded AI use
- Maintain machine tools in proper operational condition (main task) — no recorded AI use
- Fit and assemble parts to make or repair machine tools (main task) — no recorded AI use
- Align and secure holding fixtures, cutting tools, attachments, accessories, or materials onto machines (main task) — no recorded AI use
- Talk with numerical control programmers to check and make sure that new programs or machinery will function properly and that output will meet specifications (main task) — no recorded AI use
- Operate equipment to verify operational efficiency (main task) — no recorded AI use
- Evaluate machining procedures and recommend changes or modifications for improved efficiency or adaptability (main task) — no recorded AI use
- Diagnose machine tool malfunctions to determine need for adjustments or repairs (main task) — no recorded AI use
- Design fixtures, tooling, or experimental parts to meet special engineering needs (main task) — no recorded AI use
- Dispose of scrap or waste material following company policies and environmental regulations (main task) — no recorded AI use
- Lay out, measure, and mark metal stock to display placement of cuts (main task) — no recorded AI use
- Check work pieces to make sure that they are properly lubricated or cooled (main task) — no recorded AI use
- Support metalworking projects from planning and fabrication through assembly, inspection, and testing, using knowledge of machine functions, metal properties, and mathematics — no recorded AI use
- Install repaired parts into equipment or install new equipment — no recorded AI use
- Dismantle machines or equipment, using hand tools or power tools to examine parts for defects and replace defective parts where needed — no recorded AI use
- Test experimental models under simulated operating conditions, for purposes such as development, standardization, or feasibility of design — no recorded AI use
- Set up or operate metalworking, brazing, heat-treating, welding, or cutting equipment — no recorded AI use
- Prepare working sketches for the illustration of product appearance — no recorded AI use
- Establish work procedures for fabricating new structural products, using a variety of metalworking machines — no recorded AI use
- Install experimental parts or assemblies — no recorded AI use
- Advise clients about the materials being used for finished products — no recorded AI use
Tasks: O*NET 31.0. AI use: Anthropic Economic Index (exact or close text match).
Your first steps (guidance)
- Week 1: Open a free AI assistant and say hello. Follow our “Getting started with AI” guide. Ask it one simple question about your work.
- Week 2: Use AI on one task you do often. Try the prompt for: “Calculate dimensions or tolerances, using instruments”. Try the prompt for: “Talk with engineering, supervisory, or manufacturing staff to exchange technical information”.
Tick your own tasks above to get a plan based on what you really do. The first 2 weeks are free; Premium (coming soon) adds weeks 3–12. New to AI? Read our beginner’s guide.
Questions about AI and machinists
Will AI replace machinists?
Our data can’t predict job losses, and we don’t try to. What it does show: 4 of the 20 main tasks for this job match tasks people already use AI for (Anthropic Economic Index), giving a Green rating (little AI use yet). Using AI on a task is not the same as AI doing the whole job, and 25 of the 29 listed tasks show no recorded AI use yet.
Which machinist tasks is AI used for most?
In the data, the most AI use among this job’s tasks is for: calculate dimensions or tolerances, using instruments; talk with engineering, supervisory, or manufacturing staff to exchange technical information; separate scrap waste and related materials for reuse, recycling, or disposal.
Which machinist tasks show little or no AI use?
For example: machine parts to specifications, using machine tools; measure, examine, or test completed units to check for defects and make sure conformance to specifications, using precision instruments; set up, adjust, or operate basic or specialized machine tools used to perform precision machining operations. These are good places to keep building your own skills.
How does this job compare to others?
In Microsoft Research’s “Working with AI” study, this job’s AI applicability score is equal to or higher than 55% of the occupations they scored. That measures overlap with AI chat use, not risk of job loss.
How can a machinist start learning AI?
Start small: open a free AI assistant, try it on one task you do often, and always check facts and numbers yourself. The plan on this page is guidance, not professional advice.
See how this job ranks
Machinists ranks #356 of 572 jobs for the share of main tasks with AI use (#1 = most), and #6 of 35 in Production & Plant.
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