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True Position in 3 axis???

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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  • There is no such thing as 3d TP.

    FIFY


    LOL,

    I never get worked up on here, its the internet...

    It just makes me wonder where some people get their info from at times, but I am the first to admit when I learn something new.

    I just like to explain where I am coming from.

    Glad it worked out for you.


    No one is getting worked up, it's a problem of not hearing the voice that goes with the words. Some words sound like they have an attitude attached when likely they dont.

    Jim stated that "there is no such thing as 3D TP" which no explanation. The comments about 3D being valid were attempts to point where one could possibly find one. So Jims comments were just puzzling.

    In the standard, Y14.5, no where that I can find prohibits a 3D TP. The words in the standard never indicate that TP is only 2D or 1D only either. I have to say that I never have seen one either, but could imagine one used on a tooling ball for instance. So if a 3D is prohibited, I will have learned something.

    I guess, while not specifically thought as 3D, the TP of a cylinder could be considered 3D because the entire length of the feature is evaluated even though a third axis value is typically not reported.
Reply
  • There is no such thing as 3d TP.

    FIFY


    LOL,

    I never get worked up on here, its the internet...

    It just makes me wonder where some people get their info from at times, but I am the first to admit when I learn something new.

    I just like to explain where I am coming from.

    Glad it worked out for you.


    No one is getting worked up, it's a problem of not hearing the voice that goes with the words. Some words sound like they have an attitude attached when likely they dont.

    Jim stated that "there is no such thing as 3D TP" which no explanation. The comments about 3D being valid were attempts to point where one could possibly find one. So Jims comments were just puzzling.

    In the standard, Y14.5, no where that I can find prohibits a 3D TP. The words in the standard never indicate that TP is only 2D or 1D only either. I have to say that I never have seen one either, but could imagine one used on a tooling ball for instance. So if a 3D is prohibited, I will have learned something.

    I guess, while not specifically thought as 3D, the TP of a cylinder could be considered 3D because the entire length of the feature is evaluated even though a third axis value is typically not reported.
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