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Position within .002 "R"

Position question. What does it mean when a position feature is called out like this...

" ...TO BE LOCATED WITHIN .002 R OF TP ".

"R". Why "R"? What does this mean??

Please disregard the stuff about the " ø " symbol. I'm not really interested in that right now, but the "R" we are very interested in.

Thanks Slight smile

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  • Ok, I'm squared away. I had to 'see it', as shown in the attached picture, to believe it.
    You can see I entered .001 and .0015 for a TP of .0036, we all know that to be ok. Now, just below that, it says "Radial True Position" and has 1/2 the value of the Diametral!!
    So we are good to go!
    Oh, also on the feature control frame omitting the diameter symbol.. that's an error on the print. Ends up being really bad when you omit that symbol (takes away >50% of your tolerance). It's an error and nothing I'm going to have to deal with so I didn't bother learning why... cause I don't care Slight smile
    Happy Friday!

    Attached Files
Reply
  • Ok, I'm squared away. I had to 'see it', as shown in the attached picture, to believe it.
    You can see I entered .001 and .0015 for a TP of .0036, we all know that to be ok. Now, just below that, it says "Radial True Position" and has 1/2 the value of the Diametral!!
    So we are good to go!
    Oh, also on the feature control frame omitting the diameter symbol.. that's an error on the print. Ends up being really bad when you omit that symbol (takes away >50% of your tolerance). It's an error and nothing I'm going to have to deal with so I didn't bother learning why... cause I don't care Slight smile
    Happy Friday!

    Attached Files
Children
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