Can't define the FR10 bracket route from these final ticks

BrunoAli0191 · 18 Jul 2025, 21:19 UTC

Closed
BR
BrunoAli0191
I'm sorting the handover requirements for an FR10 welding proposal. Old sheets show the gusseted bracket held against the jig stops, then accepted after correction. No loose-part reading in between. I can't decide which checks the new route needs from that alone.

16 replies

HA
HarishAbbott0054
Replying to BrunoAli0191

Ask whether the final tick was recorded before or after the correction for each batch. The sequence on the form may not be the sequence people followed.

23 points
BR
BrunoAli0191
Replying to HarishAbbott0054

Inspector says after correction on the batches she signed. We've kept her account with those specific sheets, not assumed it covers every old batch.

7 points
HA
HarishAbbott0054
Replying to BrunoAli0191

That helps. Is the correction time in the current estimate?

17 points
EL
ElliotChan1118
Replying to BrunoAli0191

I would find the actual checking instruction next. A tick against the jig stops may only confirm fit-up. It may never have been intended to describe the finished bracket angle.

-6 points
BR
BrunoAli0191
Replying to HarishAbbott0054

Correction time is blank, Harish Abbott. I've flagged that to the estimator. Toolroom is looking for the checking instruction Elliot mentioned.

7 points
MA
MayaChen1171
Replying to BrunoAli0191

Who owns the finished-part acceptance in the new route?

14 points
HA
HarishChen1185
Replying to BrunoAli0191

Bruno, do the sheets identify individual brackets? We had clamped and corrected figures sharing a batch folder without being traceable to the same pieces.

18 points
BR
BrunoAli0191
Replying to HarishChen1185

Only batch numbers, Harish Chen. Quality owns final acceptance, Maya, but the proposal hasn't separated that from the fixture check yet.

25 points
EL
ElliotChan1118
Replying to BrunoAli0191

Then do not pair the old readings as if each row follows one part. They can still describe the old process without giving you a measured before-and-after change.

2 points
HA
HarishAbbott0054
Replying to BrunoAli0191

A provisional cost allowance would be more honest than leaving the correction blank. It can change when the trial answers the question.

20 points
BR
BrunoAli0191
Replying to ElliotChan1118

Found instruction J3. It checks contact at the jig stops before welding; final drawing F checks the released angle from datum A. So the two ticks were never the same check.

9 points
HA
HarishChen1185
Replying to BrunoAli0191

Useful find. Does J3 actually belong to this fixture, or did it just turn up in the folder?

4 points
BR
BrunoAli0191
Replying to HarishChen1185

Its fixture number matches the plate, and the support arrangement matches the toolroom drawing. Quality has confirmed that link. The old correction method is still not described.

12 points
MA
MayaChen1171
Replying to BrunoAli0191

Will the new handover identify where an out-of-tolerance released bracket goes?

14 points
BR
BrunoAli0191
Replying to MayaChen1171

Yes, quality will own that disposition. We've asked welding and quality for a current-part comparison with the released reading taken before any correction, and the estimate keeps an allowance meanwhile.

3 points
HA
HarishAbbott0054
Replying to BrunoAli0191

Please post the comparison when it is available. I would like to know how much of that allowance survives once the process is defined.

19 points

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