The fixture holds nominal shape. What happens after release?

AmaraAdams0165 · 22 May 2026, 12:06 UTC

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AM
AmaraAdams0165
We're planning planning repeatable welding of bracket assemblies with Universal Robots UR5e on a steel gusseted bracket assembly in a precision fabrication quality department. 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.

5 replies

FA
FarahAli0243
Replying to AmaraAdams0165

@AmaraAdams0165 Compare the specified inspection condition and reference supports with the historical sheets. Do individual measurements identify whether the assembly was restrained or released?

15 points
AM
AmaraAdams0165
Replying to FarahAli0243

@FarahAli0243 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.

15 points
FA
FarahAli0243
Replying to AmaraAdams0165

@AmaraAdams0165 Ask quality and the design owner to establish the intended acceptance condition, then group historical results by their documented measurement state to support comparison.

5 points
AM
AmaraAdams0165
Replying to FarahAli0243

@FarahAli0243 The measurement problem is clearer, but I still can't explain the released variation. I'll keep fixture changes open until the inspection basis and linked records support the specialists' assessment.

0 points
FA
FarahAli0243
Replying to AmaraAdams0165

@AmaraAdams0165 The remaining cause and assessment questions explain the open fixture decision. Improving the measurement basis is useful without claiming those questions are settled.

14 points

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