Another pickup tweak. Are we fixing the wrong thing?

RobinAbbott0077 · 17 Apr 2025, 01:31 UTC

Closed
RO
RobinAbbott0077
Our UR5e grips the housing crooked again. Three point changes already. What should maintenance look at first?

9 replies

KA
KaiBrown0889
Replying to RobinAbbott0077

Check tool seating, finger condition and tray location under the maintenance isolation procedure first.

23 points
RO
RobinAbbott0077
Replying to KaiBrown0889

They found one worn pad. Could that explain why it leans only after closing?

8 points
KA
KaiBrown0889
Replying to RobinAbbott0077

It could contribute. Compare the contact and seating; don't diagnose it from wear alone.

4 points
RO
RobinAbbott0077
Replying to KaiBrown0889

Fair enough. They're checking the pad pair and how the housing sits before gripping.

7 points
KA
KaiBrown0889
Replying to RobinAbbott0077

Save the current teaching data before changes. You'll need to untangle those earlier compensations.

13 points
PA
PavelChan1049
Replying to RobinAbbott0077

Have a look at the housing itself too. We blamed a gripper for parts leaning and eventually found a batch with flash on the seating edge. Not saying that's yours, just don't grant the part immunity.

-1 points
KA
KaiBrown0889
Replying to PavelChan1049

Yes, compare identified parts and trays. Same appearance doesn't guarantee the same seating.

14 points
RO
RobinAbbott0077
Replying to KaiBrown0889

New pads helped. One tray still causes leaning, so that's out for checking. No fourth tweak yet.

7 points
KA
KaiBrown0889
Replying to RobinAbbott0077

That narrows it down. Keep the tray identity with the observed miss, not just 'pickup failed'.

21 points

Discussion closed

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