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a saved pocket is not enough to restart my puck transfer

PriyaCarter1003 · 2026年8月17日 22:25 UTC

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PR
PriyaCarter1003
Our UR5e moves machined plastic pucks from fixture to tray. Pick, place, advance pocket works on a clean run, but stopping between actions can leave the saved pocket out of step with the tray. I know an uncertain restart needs review; what should the record distinguish before we rely on this in production?

8 条回复

TH
TheoBrooks0845

Distinguish intended transfer, observed progress and durable completion. One pocket number cannot describe all three.

18
EL
ElliotBrooks0857

What physical state did you actually find after the mismatch?

24
PR
PriyaCarter1003

Puck in the destination pocket, saved number still pointing there. The place happened before the save. We can't infer from every old pending record that it failed at that same point, though.

21
VI
VictorCarter0968

How is the tray identified across a restart? Even a correctly retained pocket number needs to refer to the same physical tray and loading arrangement, including any manual changes made while the program was stopped.

21
PR
PriyaCarter1003

Only by the operator's selected job name at present. I've asked the programmer to separate tray identity and transfer identity from the pocket count, with an unresolved state when the physical arrangement can't be reconciled.

18
EL
ElliotBrooks0857

Has automatic continuation been held for these uncertain cases while that design is reviewed?

16
PR
PriyaCarter1003

Yes. Offline restart tests now hold the place-before-save case and an unknown tray instead of advancing or repeating. The recovery procedure and evidence for clearing the hold still need the cell team's agreement.

12
VI
VictorCarter0968

Please bring back the agreed recovery boundary when available. Include interruption during the recovery decision itself; otherwise the operator may reconcile the puck successfully and still leave the next startup with another ambiguous record.

1

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