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  • Users: avc8130
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  1. avc8130

    How Many Decimal Places?

    OK, I know if my dimension is 1.0005 my tolerances have to be to 4 places (+/- .0005). My question comes in when the 1.0005 is defined as Datum A. When a second surfce is controlled perpendicular to A within 5 thousandths...does it get expressed as .005 or .0050? Thanks, Anthony
  2. avc8130

    Datums in Multiple Views

    I have a drawing where it would be convenient to show 1 datum in multiple views. This is because I have to dimension off that datum in multiple views. What is the practice for this? Is the datum shown in one view and then labeled reference in the other views? Is the datum just shown "normal"...
  3. avc8130

    Unilateral Tolerancing

    In 14.5-1994 is .500+005 a valid callout? Thanks, Anthony
  4. avc8130

    "Equally Spaced"

    I am currently reviewing drawings drawn to 14.5-1973. I am finding the "Equally Spaced" used quite often to call out holes around a Basic circle. We are having a discussion over how the positional tolerance applies. Does the "Equally Spaced" get treated as a Basic callout and the positional...

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