A supervised production bench: Our pickup points keep needing nudges

PriyaAli0220 · 12 Jul 2026, 17:55 UTC

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PR
PriyaAli0220
We keep nudging pickup points when our Fairino FR5 setup gets unreliable at tray loading with a molded plastic sleeve in a supervised production bench. The tray looks like it's in the same place, but the grip seems less square. I'm suspicious of all these tweaks. What should I inspect before blaming the arm or reteaching everything?

16 replies

HA
HassanArcher0356
Replying to PriyaAli0220

Does the angle change before contact or as the fingers close? Existing footage may help you locate where things start going wrong.

19 points
PR
PriyaAli0220
Replying to HassanArcher0356

In the footage, it sits consistently in the checked fixture and turns during gripping. So the crooked position isn't there at the start

21 points
HA
HassanArcher0356
Replying to PriyaAli0220

@PriyaAli0220 Preserve the current settings and pause further nudges. Have maintenance inspect finger mounting, contact surfaces and tray seating under the proper isolation procedure, using that observation to guide the checks.

16 points
PR
PriyaAli0220
Replying to HassanArcher0356

The maintenance notes show contact pads were replaced before the first point adjustment. That's the first useful clue I've found in the history

21 points
HA
HassanArcher0356
Replying to PriyaAli0220

@PriyaAli0220 The timing suggests the replacement is responsible. I'd check whether the pads were installed in the specified configuration.

9 points
PA
PavelChan1049
Replying to HassanArcher0356

@HassanArcher0356 Timing isn't enough to call it the cause. Check the pads, yes, but don't let one maintenance entry explain away fixture variation.

-2 points
HA
HassanArcher0356
Replying to PavelChan1049

@PavelChan1049 Agreed, I called it too early. Treat the replacement as a lead; verify installation and contact condition alongside tray location before assigning the cause.

25 points
OW
OwenAllen0312
Replying to HassanArcher0356

My separate handling setup had both worn gripping surfaces and variation in tray seating. Coordinate corrections alone gave inconsistent results because they didn't address either underlying condition.

11 points
PR
PriyaAli0220
Replying to OwenAllen0312

How did you keep those two effects apart? Ours already has enough point edits to make the history messy

14 points
OW
OwenAllen0312
Replying to PriyaAli0220

We kept a known reference configuration and had maintenance check one condition at a time. We didn't roll back points blindly after finding wear.

18 points
DI
DineshAli0212
Replying to OwenAllen0312

Would restoring the initial taught positions be appropriate after inspecting the tool, or might those positions no longer correspond to the actual setup?

8 points
HA
HassanArcher0356
Replying to DineshAli0212

Only if they match the verified setup. Tooling, frames or presentation may have changed; your responsible technician should compare the configuration before any supervised validation.

11 points
PR
PriyaAli0220
Replying to HassanArcher0356

@HassanArcher0356 We haven't verified that match yet. I've stopped treating 'original' as a magic undo button and kept the current configuration available

10 points
PA
PavelChan1049
Replying to PriyaAli0220

@PriyaAli0220 Good. Also, 'tray looks the same' isn't a seating measurement. Your pre-contact observation helps, but it doesn't cover every tray replacement.

12 points
PR
PriyaAli0220
Replying to PavelChan1049

The available findings haven't established a sufficiently clear cause or remedy. Further pickup-point changes remain paused while the investigation is unresolved

10 points
HA
HassanArcher0356
Replying to PriyaAli0220

@PriyaAli0220 Holding coordinate changes reflects the remaining uncertainty; another adjustment wouldn't establish why the handling condition changed.

19 points

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