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True Position in 3 axis???

1CMM4ME
Ok, I have read the post regarding this so called argument that my boss and I got into today. He told me that you cannot measure true position in 3 axis, as I told him he was wrong. I know it depends on the way the FCF calls it out, but I tried to explain to him that it is possible to measure TP in 3 axis.
I have seen the formulas, so I know it's possible. I just wish I could get one of you gurus to reply back explaining that it is possible and why. I see the picture but he does not. I do not like to get into pissing matches with upper management, but I have learned a h**ll of alot from you guys, and I know this is possible. So if one of you fine gentleman can back me up on this, I would very much appreciate it. Thank you very much.
Now I am going to get a cold beer.Smiley
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  • Yes, that is correct.
    One way to do it is to create a plane at the bottom of the cylinder, another at the top (you probably already have that one), and then create a mid-plane using those 2 planes.
    Now intersect your cylinder with the mid-plane. That will give you the centroid of the cylinder
    Now dimension with PCD as TP and just pick all 3 axes.
    The result will be the 3D radial distance from the perfect centroid as defined by the basics.
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  • Yes, that is correct.
    One way to do it is to create a plane at the bottom of the cylinder, another at the top (you probably already have that one), and then create a mid-plane using those 2 planes.
    Now intersect your cylinder with the mid-plane. That will give you the centroid of the cylinder
    Now dimension with PCD as TP and just pick all 3 axes.
    The result will be the 3D radial distance from the perfect centroid as defined by the basics.
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