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Recent content by riverdave

  1. riverdave

    positional tolerance query

    Thank you again for your explanation and assistance. I understand this matter more clearly now.
  2. riverdave

    positional tolerance query

    Thank you for your reply. I follow your explanation of the "virtual condition" for the holes. I believe that I was considering this in an accurate manner by considering my initial tolerance in "X" of .030 / R .015. I also think it is permissable to use the bonus tolerancing of .007 / R .0035...
  3. riverdave

    positional tolerance query

    Hello, I am new to this site. I am seeking advice on the proper method of considering a specific positional tolerance feature on an aerospace drawing that I am working with. The specifics are 200.600 a bolt circle that is basic for diameter and hole spacing, toleranced by a feature control frame...

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