I am looking at a drawing that requires a couple of pretty deep bores (.375 dia x 20" deep). There is a conical positional tolerance zone locating the axis, presumably to recognize the possibility of drill wander, and there is also an axis straightness RFS callout associated with the FOS. I'm...
I am reviewing a welded assembly drawing that brings together two flanges and one tube. Both flanges contain slotted hole patterns that are defined on their respective detail drawings. They are being related/clocked one to the other on the assembly drawing as follows.
One flange is utlized as...