← Risk register SOC 51-4072 · reviewed 2026-08-11

Molding, Coremaking, and Casting Machine Setters, Operators, and Tenders, Metal and Plastic

150,470 US workers · median $44,350/yr · Production

EXPOSED

The daily work — loading molds, setting temperature and pressure parameters, starting cycles, pulling parts, trimming flash, gauging dimensions, logging scrap — happens on a shop floor with hot metal and heavy tooling, which language AI cannot touch. The real threat is older and more proven: all-electric presses with recipe libraries, automated part-removal robots, conveyor takeoff, and vision-based inspection already let one technician tend cells that used to need three tenders. Setup judgment (diagnosing short shots, flash, warpage, sink marks and dialing in the fix) is the tier that persists; pure tending is the tier that keeps thinning.

10-year outlook: Employment keeps eroding as automated cells and vision inspection replace tenders, while the smaller pool of setup-and-troubleshoot technicians sees stable demand and rising pay.

US employment, 2019–2025-12.8%
172,520150,470 workers

This fall is concentrated in 2020 and has not recovered since.

Median pay $32,130 → $44,350 +10.4% in real terms (nominal +38.0%, less ~25% US inflation over the period)

The job count is not the verdict

This line is counted by the Bureau of Labor Statistics — the one figure on this page that isn't a judgement of ours. Headcount moves on demand, offshoring, demographics and the business cycle, and automation is one term among several, often not the loudest.

So a falling line is not evidence that AI did it, and a rising one is not evidence that it won't. Both happen in this register: some occupations resist automation and shrink anyway, others are highly automatable and keep growing. The marked year is 2020.

BLS projection, 2024–2034

-3.8% 154,600 → 148,800 on the projections basis

Exposed, and shrinking

Both signals point the same way: the tasks are largely automatable and the BLS projects -3.8% by 2034. This is the case where the score and the forecast agree, and it is the one worth taking seriously.

Different clocks. The score is what current AI could do to this work today. The projection is how many of these jobs will exist in 2034. Everything between the two — how fast employers actually adopt, whether demand grows in the meantime — is why they can point opposite ways without either being wrong.

~15,900 openings a year on average, including replacing people who leave.

One email if this score changes. Watch as many occupations as you like from the same address — no account, and nothing is sent on a schedule, only when a verdict actually moves.

Also known as — 24 job titles this covers

Titles reported by people doing this work, from the US Department of Labor's O*NET survey. If your job title is here, this page is about your work even though the name doesn't match.

CasterMolderSetterBlasterRemelterBabbitterMat MakerBit BenderCore FilerCorrugatorDie CasterHot MolderIronmolderMat RollerMold MakerCore BlowerCore FitterCore PlacerFlask MakerHand BenderMold SetterBench MolderBrass MolderCore Carrier

Score — 34/100 resistance

Holding it up: embodiment (14/20). Weakest point: liability shield (1/20).

Five dimensions, 0–20 each, summed. Higher means more protected. The arithmetic is shown so you can check it: 11 + 14 + 1 + 2 + 6 = 34. · Scored 2026-08-11, and re-examined when evidence accumulates rather than on a schedule.

Task resistance 11/20

Mixed — a routine tier and a judgment tier Mold changes, pulling a hot sprue, clamping a die and re-shimming a gate are still hand work, but the tending half of the job — watch cycle, take part, put in bin, hit reset — is already done by takeout robots and conveyors on new presses, which is why this sits at 11 rather than up with millwrights.

Embodiment 14/20

Hands-on in uncontrolled environments You work within arm's reach of 400°F barrels, 200-ton clamp forces and molten metal, breaking loose stuck cores and cleaning vents on your knees with the press open — the environment is uncontrolled enough for 14, though it's a fixed machine in a known bay rather than a roof or a trench, which keeps it off 18.

Liability shield 1/20

No licence, no signature requirement No state licence gates this work; a forklift or overhead-crane card and lockout/tagout training are employer requirements, not a credential that makes you personally answerable, and any part defect traces to the QA sign-off and the customer's PPAP, not your name.

Trust premium 2/20

Anonymous artifact production The customer buys a dimensioned part in a bin and never learns who ran the press; the only relationship that matters is with the setup lead and the next shift, and that's transferable the day you leave.

Judgment & accountability 6/20

Executes defined procedures on defined inputs Most decisions are bounded by the job packet — the setup sheet gives barrel zones, cushion, hold pressure and cycle time, and the gauge either passes or you scrap the shot — so your discretion is real mainly in diagnosing why parts are short or flashing, which is troubleshooting inside known limits rather than an ambiguous call nobody else can make.

Scored twice. An independent second run returned 35/100 — EXPOSED, agreeing with the verdict above.

This score sits on a verdict boundary. At 34/100 it is one point from COOKED. Re-scoring moves results by a point or two, so here the score is more informative than the label.

Confidence: high · reviewed 2026-08-11 · how scoring works

What this job involves — and which parts are yours

The verdict above describes this occupation as a whole. Almost nobody does the typical version of a job — tick what's actually in your week and see how your own mix sits.

AI already does these at usable quality

These still need a person

Active moats on the surviving side: embodiment, physical-presence

How to future-proof this job

Training paths for your skill gaps: Coursera — project coordination and cross-team delivery free to audit · OSHA Outreach Training — the 10- and 30-hour cards most employers ask for low · edX — operations management and process monitoring courses free to audit

All 35 skills ranked by how many jobs they open →

Where this experience transfers — occupations you could move toward

Computed from U.S. Dept. of Labor O*NET skill and knowledge profiles: high overlap with what you already do, a materially higher resistance score, no large jump in required training, and no licence you would have to start a new pipeline to get. Targets that pay meaningfully less, that are themselves COOKED, or whose own headcount is falling are excluded — a move into a shrinking trade is not an escape.

Refractory Materials Repairers, Except Brickmasons EXPOSED · 65/100 · you already have ~88% of the skill profile

Skills to close: Coordination

Crane and Tower Operators SAFE · 67/100 · you already have ~81% of the skill profile

Skills to close: Operation and Control

Wellhead Pumpers EXPOSED · 44/100 · you already have ~81% of the skill profile

Skills to close: Operation and Control, Operations Monitoring

What would move this back up — beyond any one person

The moves above are yours to make. This is the other half: what would have to change in the world for the occupation itself to score higher. None of it is in any one person's gift, but it is where the floor actually comes from. Scores here are not a one-way ratchet. Only two of the five dimensions — task resistance and embodiment — track what machines can do. The other three track law, what buyers will pay for, and who is answerable, and those move in both directions, often in response to the same pressure AI creates. If every lever below landed, this occupation would score around 47/100, still EXPOSED.

4 specific changes that would raise this score
  • already happening task resistance +4

    Tending tier is automated out (robot takeoff, vision inspection, recipe recall), leaving only the setup/troubleshooting tier: mold changeovers, diagnosing short shots and warpage on new tooling, dialing gate/vent/pack-hold on unfamiliar resins or alloys. The surviving job is closer to a process technician than an operator, and that residue is genuinely hard for current AI — but the headcount shrinks as the score rises.

  • plausible embodiment +3

    Shift of remaining work toward high-mix, low-volume and short-run tooling — medical, aerospace castings, prototype molds — where every setup is a physically novel fixture, plus die/mold repair, hot-runner troubleshooting and manual polish/fit work that no cell automation covers.

  • plausible liability shield +3

    Named-operator process-validation signoff under FDA 21 CFR 820 / ISO 13485 for molded medical devices and AS9100/NADCAP for aerospace castings: if customer audits and PPAP requirements harden to require a qualified individual, not just a system, to sign the process validation and first-article buyoff, a personal accountability trail attaches to the setter.

  • plausible judgment accountability +3

    Formal authority to stop the cell and quarantine lots — e.g. a union contract or a quality-system procedure giving the setup technician documented stop-work authority on scrap-rate or dimensional drift, with their name on the disposition record for suspect product.

The limit. No realistic route to a trust premium: buyers purchase parts to a print and a Cpk number, and cannot tell who set the press. Liability gains are capped — the signoff is a quality-engineer or plant-manager function in most shops, and even a validated process shifts risk to the firm, not the individual. The most likely outcome is a smaller, more resistant occupation rather than a safer one.

These are conditions, not forecasts — what would have to happen, not what will. Specific rules, cases and bills are named so you can go and check whether they exist and where they stand; verify before relying on any of them. Nothing here is legal or financial advice.

Where this work is, and what it pays there

BLS metro figures for 220 areas. The verdict above does not change by city — the rubric judges what the work involves, not where it happens — but pay and headcount do, and the national median hides a very wide range.

Most of these jobs

Chicago-Naperville-Elgin, IL-IN 7,910 $45,590 +3%
Detroit-Warren-Dearborn, MI 5,280 $39,790 -10%
Los Angeles-Long Beach-Anaheim, CA 3,740 $47,960 +8%
Grand Rapids-Wyoming-Kentwood, MI 3,150 $37,760 -15%
New York-Newark-Jersey City, NY-NJ 2,490 $43,500 -2%
Dallas-Fort Worth-Arlington, TX 2,280 $43,970 -1%
Milwaukee-Waukesha, WI 2,280 $43,390 -2%
Cleveland, OH 2,090 $44,860 +1%

Best paid

Urban Honolulu, HI 140 $77,560 +75%
Bremerton-Silverdale-Port Orchard, WA 180 $74,650 +68%
Saginaw, MI 280 $74,130 +67%

Percentages are against this occupation's national median of $44,350. Counts are jobs in that metro, not vacancies. Metros where the BLS suppressed the cell are absent rather than shown as zero.

Who is actually doing this — nobody, on the record

We have no reported case of a named organisation automating this occupation. Not one deployment, not one announcement.

That is worth saying out loud next to a score of 34. The verdict above is about what the work exposes — what current AI could do to these tasks. It is not a claim that anyone has done it. For this occupation those two things have come apart completely: the capability argument is on this page, and the evidence column is empty.

Read that as a gap in the reporting we can see, not proof of absence — the dispatch runs on English-language feeds and misses plenty. If you know of a case, tell us, or add a field report from inside the job.

Quick take — do you do this job?

Has AI actually changed your work? One tap, anonymous, and the running tally is public. Nothing else is asked of you.

Self-reported and unverified — a sentiment signal, not a survey. One response per person per occupation; you can change your answer.

Field reports — what people say has changed

No field reports yet. A written account takes a paragraph rather than a tap, goes to an editor before it appears, and is the one thing on this page the rubric cannot produce on its own.

File a field report

Concrete beats general: a tool that arrived, a task that moved, a headcount decision you watched happen. Don't include anything that identifies you or your employer if that would put you at risk.

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Kept current

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