Here is a print of the part i was talking about as far as having a curved Datum ( B )
See the attachment below. As far as i can see there are no target points. The only thing i can think of,
as far as checking this with a CMM is to take points below each circle and constructing a Datum B plane...
We have a print that is calling the contoured surface of the blade ( like a windmill ) a datum.
Is this feasable ? How would you program a CMM to have this surface called a Datum ?
Does anyone know if the software ( PC-DMIS CAD ++ 4.3 )would accept it ? I don't quite
how a Datum on a contoured...