What would make our tray-to-fixture loading comparison fair? (Fairino FR5)

SarahBell0676 · 20 Apr 2026, 02:52 UTC

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SA
SarahBell0676
I'm comparing Fairino FR5 with other candidates: tray-to-fixture loading with a molded spacer in a compact parts handling area, with 105 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.

21 replies

YA
YasminAdams0093
Replying to SarahBell0676

Got separate notes for misses and tray nudges? That could show how much preparation is propping up the transfer results

23 points
SA
SarahBell0676
Replying to YasminAdams0093

@YasminAdams0093 Barely, but yes. The notes catch nudges the clips don't show clearly. Across the candidates, most misses followed tray replacement.

8 points
YA
YasminAdams0093
Replying to SarahBell0676

Use those notes to plan a common tray trial, including normal replacement. Agree what counts as acceptable placement and operator help, then record both for each candidate

19 points
EL
EllaArcher0381
Replying to YasminAdams0093

@YasminAdams0093 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.

2 points
SA
SarahBell0676
Replying to EllaArcher0381

@EllaArcher0381 Robot cost or fixture cost? Our meeting keeps getting stuck there.

7 points
EL
EllaArcher0381
Replying to SarahBell0676

@SarahBell0676 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.

21 points
YA
YasminAdams0093
Replying to YasminAdams0093

Keeping the same gripper would make the comparison fair too. That removes another variable while you sort out the tray issue

18 points
FA
FarahAbbott0069
Replying to YasminAdams0093

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

-2 points
YA
YasminAdams0093
Replying to FarahAbbott0069

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

23 points
GA
GabrielBrooks0801
Replying to YasminAdams0093

@YasminAdams0093 Does that mean a candidate can arrive with a custom fixture and still be compared? I'm trying to understand where the boundary goes.

25 points
YA
YasminAdams0093
Replying to GabrielBrooks0801

Yes, if it's part of what you'd buy. Keep the incoming samples and required result consistent, and include that fixture's cost and changeover work

9 points
SA
SarahBell0676
Replying to YasminAdams0093

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

10 points
FA
FarahAbbott0069
Replying to SarahBell0676

@SarahBell0676 Then include those alongside the easy ones. A comparison made entirely of awkward samples could misrepresent the mix just as badly as the polished demo.

22 points
SA
SarahBell0676
Replying to FarahAbbott0069

@FarahAbbott0069 Empty pockets happen here too. How do we test that without improvising around a moving arm?

13 points
YA
YasminAdams0093
Replying to SarahBell0676

@SarahBell0676 Ask the person responsible for the equipment to plan that test. Prepare the tray while access is safe, and agree the expected response first

22 points
EL
EllaArcher0381
Replying to EllaArcher0381

For our job, we logged assistance during changeover too. The second operator's quick result depended on constant prompts from the demonstrator, which wouldn't match our staffing.

13 points
SA
SarahBell0676
Replying to EllaArcher0381

@EllaArcher0381 Our clips crop out the person doing the nudging. Not deliberately, but the framing makes the setup look more independent than the notes support.

2 points
GA
GabrielBrooks0801
Replying to SarahBell0676

Wider video, job done? Or does someone still count all the help?

23 points
YA
YasminAdams0093
Replying to GabrielBrooks0801

Keep a simple tally as well. Video helps explain an intervention; the tally makes it easier to compare runs without relying on everyone's memory

17 points
SA
SarahBell0676
Replying to YasminAdams0093

We've a way forward: a shared tray trial with placement and operator-help limits agreed first. Choosing the arm stays conditional on that comparison, rather than the existing clips.

6 points

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