Planning for 82, judging from mismatched demos - tray-to-tray transfer

SaraBarnes0548 · 31 Aug 2026, 13:19 UTC

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SA
SaraBarnes0548
I'm comparing Fairino FR10 with other candidates: tray-to-tray transfer with a machined puck in a small production workshop, with 82 planned. One demo used a tidy tray; another used our awkward workshop tray. Both looked promising. I don't think the videos answer the same question.

17 replies

DA
DanielAllen0304
Replying to SaraBarnes0548

Have you listed tray adjustments separately from missed pickups? Comparing those observations could show how much of the apparent transfer performance depended on preparation.

10 points
SA
SaraBarnes0548
Replying to DanielAllen0304

@DanielAllen0304 Barely, but yes. The notes catch nudges the clips don't show clearly. Across the candidates, most misses followed tray replacement.

9 points
DA
DanielAllen0304
Replying to SaraBarnes0548

A shared tray trial sounds useful, with ordinary tray replacement included. Set acceptable placement and operator involvement in advance, and log both against each candidate.

22 points
AM
AmaraBrooks0861
Replying to DanielAllen0304

@DanielAllen0304 We had a separate transfer application where the locating step was awkward, but the continuous run looked fine. A tray replacement by another operator exposed it.

12 points
SA
SaraBarnes0548
Replying to AmaraBrooks0861

@AmaraBrooks0861 Robot cost or fixture cost? Our meeting keeps getting stuck there.

4 points
AM
AmaraBrooks0861
Replying to SaraBarnes0548

In my own comparison, we included the cost in the complete package and identified its source as fixture work. How we categorised it didn't change the need to fund it.

19 points
DA
DanielAllen0304
Replying to DanielAllen0304

I'd also keep the gripper identical to make the comparison fair. It takes another variable out while you investigate tray location.

15 points
AN
AnilAli0201
Replying to DanielAllen0304

Same gripper, unfair adapter? That's still a skewed comparison if the mounting suits one arm better

-4 points
DA
DanielAllen0304
Replying to AnilAli0201

@AnilAli0201 Fair correction; I overstated that. Keep the gripping requirement consistent, document adapters and tuning, and assess the actual proposed tools where a shared gripper would distort things.

7 points
EM
EmmaAdams0115
Replying to DanielAllen0304

Could one candidate bring a custom fixture, then? I'm unsure what you hold constant if each proposal has different tooling.

6 points
DA
DanielAllen0304
Replying to EmmaAdams0115

It can, provided the fixture belongs in the purchase scope. Use equivalent incoming samples and acceptance requirements, and account for fixture cost and changeover effort.

13 points
SA
SaraBarnes0548
Replying to DanielAllen0304

I've kept the awkward samples. Normal batch variation, not specially selected demo-ruining rejects.

18 points
AN
AnilAli0201
Replying to SaraBarnes0548

@SaraBarnes0548 Use the awkward samples with the straightforward ones. Testing only the troublesome end of the mix could be as misleading as testing only perfect samples

16 points
SA
SaraBarnes0548
Replying to AnilAli0201

@AnilAli0201 Empty pockets happen here too. How do we test that without improvising around a moving arm?

7 points
DA
DanielAllen0304
Replying to SaraBarnes0548

Have the equipment lead define the test and expected response. The empty pocket should be prepared under safe access conditions, not created during motion.

19 points
SA
SaraBarnes0548
Replying to DanielAllen0304

@DanielAllen0304 I've settled the next decision: use a common tray trial with agreed placement and intervention limits. Any choice of Fairino FR10 will depend on that result; the existing videos don't settle it.

9 points
DA
DanielAllen0304
Replying to SaraBarnes0548

A defined trial is a useful decision in itself. Making the selection depend on it matches the limits of the clips.

7 points

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