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The missing blank lengths

SofiaArcher0369 · 2025年5月27日 07:28 UTC

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SO
SofiaArcher0369
Our FR10 loading proposal has a lovely chart of sleeve protrusion and absolutely no measurements of the loose blanks. I'm trying to find out why the hand-loaded samples sit differently. Excellent chart, wrong argument?

19 条回复

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BrunoChen1148

Can't choose a loading fix from that. Measure the blanks as well, and say which end is meant to seat; a drawing of the stop would save some guessing here.

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SofiaArcher0369

Rear face seats against a fixed stop. Same supplier bag, which I was told meant same length... I've asked for actual measurements.

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BrunoChen1148

A bag is not a measuring instrument.

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RaviBarnes0563

Were these loaded by one person, or did the chart combine several people's checks without saying which samples they handled?

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SofiaArcher0369

Two people. One wrote sample numbers; the other wrote 'next five'. I have the numbered five, so I'll start there.

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HarishAbbott0054

Start with those five. Did anyone actually see a blank fail to reach the stop, or is everyone inferring that from protrusion?

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BrunoChen1148

And don't lose the other five just because their paperwork is annoying. They may be the ones with the problem. Separate pile, unresolved identity.

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SofiaArcher0369

Nobody watched the rear face. The numbered set varies in length, but not enough to explain all the protrusion differences. Other five are still here.

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HazelArcher0397

We chased something like this on a manual job. Turned out one person was checking against the end of a chamfer and another against the flat face. Before you buy measuring kit, make them show you where they're putting it.

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RaviBarnes0563

Hazel, did changing the measuring point remove the whole spread on yours, or did you still have troublesome blanks afterwards?

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HazelArcher0397

Most of the argument, not all the variation. We still had real differences. But at least we stopped arguing over readings from two different places.

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BrunoChen1148

Worth checking, but Sofia has a stop face as well as an exposed end. A burr at the back won't announce itself in your front-end measurement.

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SofiaArcher0369

Thank you, Hazel. We had that exact measuring-point muddle on two readings. Correcting it shrank the spread; it didn't remove the odd high sample.

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RaviBarnes0563

Who will deal with that odd sample if the loading proposal goes ahead, especially if an operator has to inspect each blank before it reaches the tray?

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BrunoChen1148

Have the machinist inspect its seating end and the stop before budgeting an operator to nurse every blank. One odd sample is a reason to look closer, not recruit someone.

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HarishAbbott0054

Both questions matter. I'd leave preparation time undecided until Sofia knows what happened to that sample; guessing zero would be optimistic too.

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SofiaArcher0369

Machinist found a raised edge on the odd one. We're checking the rest of the retained bag before deciding whether this is incoming preparation or an occasional reject.

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HazelArcher0397

Was that edge actually touching the stop, Sofia? Only asking because ours had plenty of ugly bits that weren't causing the trouble.

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SofiaArcher0369

Yes, same face and contact area. We haven't checked the rest yet. The robot proposal can wait for something better than 'probably a bad bag'.

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