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Hello everyone, I have a little beginner problem with some parts i'm machining, they have a hole of 1.258 +0.002 -0.0. i use circle Mill on mastercam to rough and another seperate circle mill toolpath to finish with an M01 between the two, Now the problem i have is that the hole is not completely circular, i measured many different values ranging from 1.250 to 1.265 in the same hole. i try to change my offset to get the right tolerances but it can't seem to have one value when measures, i used my Lathe to create a kind of Go/Nogo, to quickly verify my parts, the go side has 1.255'' and the no Go has 1.563''. can i just rely on weather the go enters or not? or is my go way too small to give the right readings? On a seperate question concerning machining tolerances, i have had to machine a part like the one in the picture with a tolerance of 0.003'', but as you see the space walls are too long, so i can't have only one constant measurement between the walls all along them. (PS: the units of the drawing are in millimeters)
