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The scratch moved when we moved the lamp. Now what?

OliverChen1146 · 2025年4月25日 21:54 UTC

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OL
OliverChen1146
I'm pricing an FR5 faceplate inspection setup and our reject images include a bright line that slides sideways when the presentation changes. Everybody calls it a scratch. Nobody has the physical inspection result. Can we sort that cheaply before the next quote adds another light?

11 条回复

IM
ImranBennett0740

Have the acceptance owner examine the identified physical samples first; otherwise the lighting trial is being judged against labels that nobody can explain to the eventual operators.

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OliverChen1146

Found the faceplate in the sample box, labelled reject in one bag and suspect on the part tag. Nice to have our disagreement physically archived too

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IM
ImranBennett0740

Retain both labels in the history, but ask for one current judgement under defined viewing conditions before using that piece as a definite reject reference.

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JA
JamieBrooks0817

And the moving bright line doesn't prove the faceplate is flawless; don't turn a bad reject label into an equally casual pass.

6
IM
ImranBennett0740

Agreed; uncertainty is an appropriate outcome until the physical inspection question is settled.

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NO
NoraArcher0409

Did the same area stay in view when you changed presentation? A pair of images with identifiable surface features would help show what moved relative to the part.

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IM
ImranBennett0740

That comparison can inform the imaging work, provided the sample identity and physical judgement remain attached to it rather than inferred from the bright line alone.

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OliverChen1146

Same area, yes. The line crosses a small tooling feature between images. Quality is looking at the actual part with agreed viewing conditions. I haven't called it good, just stopped calling the photo proof of a scratch

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PriyaBrown0916

We had a reference folder where uncertain parts quietly became rejects after a handover. Giving uncertain samples their own status helped. Include who resolves them, or they can sit there until somebody gets impatient and relabels the lot.

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OliverChen1146

Quality owns the suspect list now. They've supplied a small set of agreed good and bad parts for the lighting comparison. This faceplate stays suspect, so no victory lap for the lamp yet

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ImranBennett0740

Use those agreed samples when documenting the operator inspection view too, so the eventual handover explains the acceptance standard rather than merely where to look for a bright pixel.

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