Profile w/o DRF

[[Mi...]]

I don't recall ever coming across a profile w/o a datum reference frame.
How would I got about measuring this?

Calypso 2022 7.4.04
No Freeform.

[[Mi...]]

ASME?

It means form only.

We have it where flatness can't be used due to a rule about Flatness and interrupted surfaces.

We either just report it as if it was Flatness if it's a coplanar surface, or Profile with the feature populating all 4 spots, set to Minimum Feature.

There's likely other intentions, that just how it applies to us when we see it.

[[Cl...]]

Michael, with a callout like this couldn't you also check "Best-Fit" inside the FFS and
create an alignment, allowing translation/rotation in all axis, and use that in your evaluation?

[[Mi...]]

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He has no Curve or FF to do this in any of the proper ways.

This is the way we see this in our parts, which is why we can work around it in the ways I mentioned:

https://www.tes-tec.net/en/flatness-vs- ... -controls/

[[Al...]]

You can also measure each surface in question separately. And then Recall Feature Points for all surfaces into a new plane. Then do a flatness of that theoretical constructed plane.

You could also do a profile of the constructed surface and use that as your datums.