FR3 payload maths... have I counted the flange twice?

BenBench · 2025年7月15日 21:13 UTC

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BE
BenBench
Page 19 of Schmalz's September 2024 FQE manual, with tool weights, centre-of-gravity diagrams and the UR-flange qualification
FQE-Xc table includes a UR flange. These are not confirmed weights or compatibility claims for a Fairino-mounted assembly. Manual extract: Schmalz, revision 05, September 2024, page 19. Published 2024-09. Source

Page 19 lists 0.63 kg for the 120 x 60 foam FQE-Xc. I started adding a guessed 0.22 kg adapter and 0.15 kg changer to that, then noticed the UR-flange note underneath. Those extra weights are just placeholders, not parts I've bought. Am I making a nonsense shopping spreadsheet already? Planning around a 3 kg FR3, not an extended-payload claim.

https://pimmedia.schmalz.com/MAM_Library/Dokumente/Bedienungsanleitung/PGE/4682cec81141_BAL_PGE-05822_en-EN_001.pdf

6 条回复

JO
JoFixtures
回复 BenBench

The 0.63 kg figure already includes a UR flange. Get the mass of the actual Fairino configuration; don't add another adapter to that figure unless both parts really remain in the assembly.

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RO
RobinBennett0773
回复 BenBench

Draw the stack. Cross out what's removed. Weigh what's left, including the fasteners.

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BE
BenBench
回复 BenBench

right, so I need a parts list before I need a better calculator.

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CA
CarlaAbbott0053
回复 BenBench

Pretty much. I put a weight beside each item in the drawing, then check the assembled tool. It's also easier to spot a spacer you've accidentally counted twice.

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LU
LucyCarter1002
回复 BenBench

And the subtraction is only an initial mass budget. Even a complete 1 kg tool leaving 2 kg on paper doesn't establish that a particular reach, load offset and motion are permitted. Check the applicable robot load limits and the gripping task.

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BE
BenBench
回复 BenBench

cheers. Renamed the column 'mass budget', deleted my very confident 'safe payload' heading.

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