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Machinery & Metal Parts Assembler

🇺🇸 United States · Manufacturing
Watch closely#593 of 790 jobs in the United States · Among the safest 25%

My Job Lifespan

11 yrs 11 mo
00days 00:00:00:000

until AI starts replacing people in this job
Sep 8, 2038 · 4364 days left

Fitting gears and shafts by feel and coping with off-drawing parts needs touch plus judgment in low-volume work; humanoids reach that only in the late 2030s.

AI vs Humans: whose side are you on?

Replacement riskMedium
Human share in 204650%

Estimated AI timeline

AI impact · Shrinking
2026 · Now2046
Likely range 7 yrs 11 mo – 17 yrs 11 mo

Machinery & Metal Parts Assembler: what AI changes and what stays

A machinery assembler fits a gear or a shaft into a housing by feel, checking for smooth play with a bare hand, then runs the finished machine and listens for a noise that shouldn't be there before it ships.

Which assembly jobs are easiest for a robot to take?

A robot arm already handles repetitive, high-volume assembly well, bolting identical parts together the same way thousands of times in a row, which is part of why this site rates AI and robotics' current reach into this trade as still low but real for that kind of work. Small-batch assembly, where every unit can differ slightly, is a different and much harder problem for a machine.

Why is small-batch assembly so hard to hand to a machine?

Fitting a gear or shaft by feel for smooth play, coping with a part that doesn't quite match the drawing, and tuning out an odd noise on a test run all need touch and judgment together in the moment, something today's general-purpose robots still don't do well in low-volume work. This site rates the barrier to automating that at essentially nothing, and still expects roughly half of today's work to need a person two decades out.

What should someone in this trade build skill in?

Since high-volume, repetitive assembly is what robots already do well, the safer specialty is small-batch and one-off work: reading a drawing, improvising when a part doesn't match it, and trusting your hands to tell you a machine is running right. Most people learn this trade through on-the-job training or a technical program rather than a four-year degree.

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Sources

Sources describe work, regulations and education. AI replacement dates and scores are AI estimates, not predictions by the cited organizations. Methodology