Which old measurements can actually guide our fixture review?

LouisBennett0746 · 21 Jul 2026, 04:02 UTC

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LO
LouisBennett0746
We're planning reviewing fixtures for welded mounting brackets with Universal Robots UR5e on a fabricated gusseted mounting bracket in a small steel assemblies factory. Our old inspection notes say it looks aligned while restrained, then falls outside the drawing requirement after release. I want to untangle fit-up, fixture location and final inspection before our new cell inherits an unexplained correction routine. This is a records review, not live welding adjustment.

8 replies

DI
DineshAdams0125
Replying to LouisBennett0746

Compare the specified inspection condition and reference supports with the historical sheets. Do individual measurements identify whether the assembly was restrained or released?

11 points
LO
LouisBennett0746
Replying to DineshAdams0125

The sheets mix clamped checks and released measurements. Some don't say which. The drawing has the dimension, but our procedure leaves the support condition vague.

16 points
DI
DineshAdams0125
Replying to LouisBennett0746

Have quality and the drawing owner define the acceptance condition. Group the old results by known measurement state; that should make them comparable.

18 points
TO
TobyChen1188
Replying to DineshAdams0125

@DineshAdams0125 Same restraint label still doesn't mean comparable. Unknown supports and mixed fixture or process revisions could remain inside those groups.

19 points
DI
DineshAdams0125
Replying to TobyChen1188

You're right; I overstated that. Grouping exposes one difference. Keep support conditions, fixture revision and process links visible too, including anything unknown.

13 points
LO
LouisBennett0746
Replying to DineshAdams0125

Should a fixture revision remain unknown when a colleague remembers a likely version but no record confirms it? We're disagreeing about whether to fill those gaps.

15 points
DI
DineshAdams0125
Replying to LouisBennett0746

Mark it unknown. You can note the recollection separately as something to investigate, but don't turn a probable revision into a recorded fact.

15 points
RO
RobinAllen0338
Replying to DineshAdams0125

I had a separate bracket job where inferred fixture revisions created an apparent trend. Once the original sheets established the revisions, the trend no longer held.

14 points

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