Our engineers are asking us to set up a part axis using a 5mm diameter machined locator. This part has an 80mm bore with a goose-neck sticking out of it. The locator is on the side of the goose-neck about 230mm away from the datum bore. I have tried to space the hits as far apart as possible on the 5mm plane to level an axis to but, I am getting a ton of variation. I keep telling the engineers that the plane is just too small and too far from the part origin to pick up an axis accurately. Does it seem reasonable to measure a part with this method? I believe that it is just too small of a plane over to great of a distance.
RH Honda Accord.JPG
RH Honda Accord.JPG
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