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  1. Nessie_Scot

    Projected tolerance zone to allow for more orientation error. Help me understand why I may be wrong.

    3DDave, So the projected tol would allow for 6.5° of orientation error. That is kind of what I'm looking for. With out the projected tolerance zone, even a 1° of error would fail the inspection.
  2. Nessie_Scot

    Projected tolerance zone to allow for more orientation error. Help me understand why I may be wrong.

    3DDave thank you. Eventually the drawing will show just one of these FCFs, and it will be attached to the holes size dimension. I'm trying to illustrate what each of the FCFs would do if the screw hole is off by 1°. The projected FCF would only eat up .0012 of the positional tol, while the...
  3. Nessie_Scot

    Projected tolerance zone to allow for more orientation error. Help me understand why I may be wrong.

    I'm working with a fixed fastener design, where the thread engagement of the screw, is about 6x the thickness of the mating part w/ clearance holes (.06" thk PCB sitting on top of screws bosses). Is it possible to absorb addition orientation error using a projected tolerance zone. My thought is...
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