Universal Robots UR5e: What should a small tray unloading pilot prove?

WillChan1096 · 2 Aug 2026, 04:10 UTC

Reply to discussion
WI
WillChan1096
I proposed using Universal Robots UR5e for tray unloading with a molded mounting block in a compact contract manufacturing shop, starting with 96. My estimate covered the arm and gripper but left fixture work and staff effort unclear, which has frustrated my colleague. I'd like to define a small pilot that gives both of us a fair basis for judging the idea.

14 replies

FA
FarahAllen0330
Replying to WillChan1096

Have you measured the whole manual job, preparation included? Timing just the transfer could hide the same missing labour again.

12 points
WI
WillChan1096
Replying to FarahAllen0330

@FarahAllen0330 We watched a batch. Preparation took longer than transfer. My estimate had basically made that work disappear by wishing.

1 points
FA
FarahAllen0330
Replying to WillChan1096

Build a capped pilot around the complete workflow. Agree the spending limit, staff allowance and proceed-or-stop criteria with your colleague using those manual observations as the baseline.

23 points
WI
WillChan1096
Replying to FarahAllen0330

Count my fixture time too? I'd enjoy it, but it's extra work.

5 points
CH
ChloeCarter1005
Replying to WillChan1096

On our separate project, we included that time. The design was enjoyable, but our normal workload still needed doing. The estimate became less cheerful.

19 points
FA
FarahAllen0330
Replying to FarahAllen0330

Multiply the manual minutes eliminated by the labour rate for a simple saving figure, then compare that with what the pilot costs.

14 points
JA
JasperAli0203
Replying to FarahAllen0330

The calculation assumes the released time removes a real expense. Small gaps may increase capacity without reducing paid hours, so presenting all of that time as cash savings could recreate the dispute.

0 points
FA
FarahAllen0330
Replying to JasperAli0203

@JasperAli0203 You're right; my wording turned released time into cash too easily. Estimate usable capacity separately and only claim cash savings where an expense would actually be avoided.

6 points
WI
WillChan1096
Replying to FarahAllen0330

Inspection work is waiting. Whether it fits those gaps, I haven't checked. So that benefit's still an assumption.

0 points
OM
OmarBrown0926
Replying to WillChan1096

Don't you need the whole cell installed to find that out?

19 points
FA
FarahAllen0330
Replying to OmarBrown0926

@OmarBrown0926 A representative supervised trial can show when attention is needed and how long the gaps are. It won't prove the full deployment benefit, but it can challenge the assumption.

10 points
CH
ChloeCarter1005
Replying to FarahAllen0330

Our pilot needed frequent replenishment, so the operator couldn't leave for the task we'd imagined. The transfer worked; our staffing idea didn't.

21 points
WI
WillChan1096
Replying to ChloeCarter1005

The manual observations have improved the proposal, but the pilot's spending and staff limits aren't agreed. We haven't committed to equipment.

1 points
FA
FarahAllen0330
Replying to WillChan1096

@WillChan1096 The baseline helps, but those limits still matter before a commitment. That's a clear partial result.

16 points

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