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Having some disagreements on how to establish this -F- datum on a machining print. The circle through the hole is determined by the location of two other boltholes on this casting. Question is: Two lines on the outside of boss (cast surface) establish a center point between them and place it on the circle through the bolthole (even if it doesn't line up with the actual bolthole??).
Any help would be appreciated. This datum is used in true positioning so it needs to be correct!
Any help would be appreciated. This datum is used in true positioning so it needs to be correct!
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