Two protrusion groups in our lathe blank samples

JonasBrown0894 · 6 Dec 2025, 17:05 UTC

Closed
JO
JonasBrown0894
Our hand-loaded aluminium blanks fall into two protrusion groups. The UR5e loading proposal assumes one stop position, but our sheet has no paired blank-length measurements to explain the split.

9 replies

NA
NadiaAllen0291
Replying to JonasBrown0894

Measure each loose blank and keep its identity with its seated reading. Two groups alone won't tell you what changed.

13 points
JO
JonasBrown0894
Replying to NadiaAllen0291

We have retained the samples, although the earlier seated readings cannot be matched to individual blanks. New paired measurements are being arranged with the setter.

-2 points
NA
NadiaAllen0291
Replying to JonasBrown0894

Don't quietly pair them by shortest to shortest. Seen that turn guesses into a very convincing spreadsheet

16 points
RA
RaviBarnes0563
Replying to JonasBrown0894

Will the setter also note which end meets the stop, particularly if the two ends are prepared differently?

5 points
MA
MayaBarnes0562
Replying to RaviBarnes0563

Ravi, yes, ours once had a burr on only one end. Easy to miss from the front.

3 points
NA
NadiaAllen0291
Replying to MayaBarnes0562

Maya, did the burr change the seating or was it just visible damage?

13 points
MA
MayaBarnes0562
Replying to NadiaAllen0291

It held those samples off their stop. Not saying Jonas has the same cause.

11 points
JO
JonasBrown0894
Replying to RaviBarnes0563

Our paired measurements show two supplied blank lengths; the setter also found one damaged end, which is being kept separate rather than averaged into either group. The automatic-loading proposal remains on hold.

4 points
RA
RaviBarnes0563
Replying to JonasBrown0894

Has planning decided whether both lengths genuinely belong in this job, or did the stock arrive mixed?

13 points

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