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Iterative alignment and using XactMeasure

Alright here is my problem/question.
I have a part where Datum -A- (Z axis) is not prismatic, however datum -B- (X axis) and -C- (Y axis) are.

I do not have much experience with Iterative alignments other than that I have been to the Level 2 Hexagon class (Just don't use them or have the need too).

My thoughts were, this is a good time, to try an Iterative alignment.
I believe I have that part of the program correct:
I created 6 auto vector points on top (Datum -A-),
then 5 auto vector points on left side (Datum -B-)
then finally 5 auto vector points on the front of the part (Datum -C-).

When I create the Iterative alignment I pick top 6 points as level (Datum -A-),
5 points on left rotate (Datum -B-),
then 5 points on front as origin (Datum -C-).

After completing this Iterative alignment my trihedron doesn't move from before the alignment.
So I constructed planes out of the five points for datum -B- and -C- respectively.
I then origin my "X" to Datum -B- and my "Y" to datum -C-.
How do I origin my "Z", and how do I assign my datum -A- for exact measure? Where did I go wrong? Please any help would be greatly appreciated.
Parents
  • In case it was missed, the way to get a Datum A plane feature to use in Xactmeasure after the iterative alignment is to Insert > Constructed > Plane > Alignment (Make sure workplane is correct first).


    However this will be constructed at the CAD origin / Trihedon so I doubt he'll be happy with this as the basics for hit Position values will still come from Car/Plane align.

    Perhaps if he could post a section of the print showing where the basic values come from we might be able to help more - but other that that I'm out of ideas (and patience!)
Reply
  • In case it was missed, the way to get a Datum A plane feature to use in Xactmeasure after the iterative alignment is to Insert > Constructed > Plane > Alignment (Make sure workplane is correct first).


    However this will be constructed at the CAD origin / Trihedon so I doubt he'll be happy with this as the basics for hit Position values will still come from Car/Plane align.

    Perhaps if he could post a section of the print showing where the basic values come from we might be able to help more - but other that that I'm out of ideas (and patience!)
Children
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