Basic Dimensions and General Feature Control Frame

I have a quick question.

I have been told by corporate engineering to take the General Notes, Surface Profile Feature Contrl Frame on the drawing and apply it's tolerance to the basic dimensions. Is this the proper way to utilize basic dimensions? I thought that basic dims were "Theoretical Exact Dimensions" and had no tolerance. How do you guys report them? I have just been reporting them with a zero +/- tolerance.

Thanks

Sam

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seppley over 11 years ago

Well, that is what I thought the response would be. I have been to GD&T class and was taught that basics had no tolerance. The class never mentioned the "general profile tolerance" being applied to basics... so i was not sure. Feels good to get one right for a change!

Thanks
Sam
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seppley over 11 years ago

Well, that is what I thought the response would be. I have been to GD&T class and was taught that basics had no tolerance. The class never mentioned the "general profile tolerance" being applied to basics... so i was not sure. Feels good to get one right for a change!

Thanks
Sam
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