Edge validates the changeover before startup

Every reference changeover on the SMT line or the winding machine stops production for 1 to 3 hours and depends on human visual confirmation under time pressure. With Edge cameras at the critical points, the line doesn't start until everything is confirmed and the supervisor signs off.

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SMT line with Edge cameras checking feeders, the stencil and machine parameters, each marked OK, while a quality lead signs off on a tablet next to a sign reading line changeover validated
The problem

The first lot after a changeover carries the whole risk of the changeover.

- Visually confirming the correct feeder, stencil, or mold is mounted depends entirely today on human attention under changeover time pressure. - If the confirmation fails, the entire first lot of the new reference ships nonconforming.

  • Every reference changeover on the SMT line or the winding machine stops production for 1 to 3 hours, and the pressure to restart grows with every minute.
  • Visually confirming that the correct feeder, stencil or mold — or the right wire gauge and winding head — is mounted depends entirely today on human attention under changeover time pressure.
  • The check leaves no objective evidence: a signature on a checklist says someone looked, not what they saw.
  • If the confirmation fails, the entire first lot of the new reference ships nonconforming, and the error is found at test or, worse, by the customer.
How it fits the IRIS system

Edge with JIDOKA AI — N cameras confirm, the quality lead signs, then the line starts.

Edge cameras at N critical changeover points compare the current state against the correct reference state for that part. The line doesn't start until N cameras confirm OK plus the quality lead's sign-off — JIDOKA AI.

It is JIDOKA applied to the changeover: the stop is built into the process instead of relying on someone noticing. The cameras check what is mounted, the quality lead decides, and every changeover leaves a photo of the state the line restarted in.

See the full IRIS architecture →

Before and after

Changeover confirmation today versus Edge confirmation

AspectTodayWith iLEAN Edge
Stencil for the new ECU boardConfirmed by reading its labelMatched to the reference image for that part
Wire gauge and winding head on the winderChecked against the traveler, if time allowsConfirmed from the image
Restart conditionThe operator decides it looks rightN cameras OK plus quality lead sign-off
Evidence of the setupA tick on a checklistPhoto of every critical point
First lot of the new referenceCarries the changeover's riskStarts from a confirmed state
Well-executed changeover timeStretched by repeated rechecksImproved: one objective check replaces several

Human visual confirmation with no objective evidence → Edge confirmation plus human sign-off, with photographic evidence of every change.

Impact estimate

Impact estimate — to be validated with your numbers.

The block below is an estimate to be validated against your plant's actual data. We put it forward so the committee has an order of magnitude; we refine it during the assessment.

  • Estimated payback 4-9 months.
  • Fewer nonconforming lots at startup, because the first lot of the new reference starts from a confirmed setup.
  • Better well-executed changeover time: one objective confirmation replaces repeated visual rechecks under pressure.
  • From human visual confirmation with no objective evidence to Edge confirmation plus human sign-off, with a photo of every change.

Reduces nonconforming lots at startup, improves well-executed changeover time, estimated payback 4-9 months. Estimate to be validated.

And the fair question from the production manager

“And if the camera blocks a correct setup and we lose even more time?” — comparing a mounted setup with its reference image is an anchored task, where the best models stay below 1.5% [1] error. When a camera flags a difference, it shows which point and the reference next to the current state, so the quality lead resolves it in seconds instead of rechecking the whole line.

[1] OpenAI paper "Why Language Models Hallucinate", 2025 — on the reliability of AI in anchored tasks.

Frequently asked questions

What people ask about validating the changeover with Edge

How many cameras does a changeover need?

As many as there are critical points in that changeover: typically feeders, stencil and machine parameters on SMT, and wire, head and program on the winder. The number is set per line with your process engineers, starting with the points where a wrong setup has cost you a lot before.

Where does the reference state come from?

From a photo of a correct, approved setup for each part number, taken once and reviewed by quality. When the engineering revision changes, the reference is updated with it. A camera never compares against a setup that quality has not approved.

Can the line start if the quality lead is not on the floor?

Not without sign-off: that is the JIDOKA AI rule. The sign-off can be given from the tablet after seeing the camera results, so the quality lead does not have to walk to the line for every changeover. Who signed, when and on which evidence is recorded with the lot.

Does it apply to the stator winding machine as well as SMT?

Yes. On the winder the risk is a wrong wire gauge, head or program for the new stator, and it is checked with the same logic as feeders and stencil on SMT. The winder's own program number, read from its screen, is checked too.

What happens to the photos after startup?

They become part of the lot's record. If a customer asks how the line was set up when a lot was produced, the answer is an image, not a checklist tick. The same photos feed the IATF 16949 evidence pack.

Let's talk

Tell us how long your last changeover took and how its first lot was checked.

We work on your plant's real data, not ours. Assessment with no commitment.

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