Thank you everyone for the clarification. I've been a machinist for 38 years and have never seen a perpendicularity callout like this. It's always been relative to a single plane or axis.
@Burunduk the 18 basic should not have been basic in my crappy recreation of my customer drawing. It's a...
It's not my drawing, I'm making the part. The is a "rough" recreation on the drawing since I cannot share the actual drawing. The perp callout and the way they're referencing the 3 datums is what I am questioning. I believe they actually have the CF with the perp callout.
Greetings all,
I'm working on a part that has a perpendicularity callout referencing 3 datums. Datum -A- is a flat face, datum -B- is a hole perpendicular to -A- and datum -C- is also a hole on the same face as -B-. This seems incorrect how they have it called out. I understand they are...