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  1. jvfeng

    Typical tolerances for perpendicularity of press-fit dowel pins

    Thank you Eric, ultimately this is really what I was looking for. The best solution for my problem is to use a position tolerance and use it as a datum, as described in the other thread linked below. You're correct in that the tolerance stack is primarily affected by the positioning tolerance...
  2. jvfeng

    Typical tolerances for perpendicularity of press-fit dowel pins

    I'm also trying to get a little more generic than this specific component. What I'm looking for is a ballpark of typical values, something like what is shown in the picture below. There isn't an exact threshold of will/won't work. It's a sliding scale of quality. Source...
  3. jvfeng

    Typical tolerances for perpendicularity of press-fit dowel pins

    Hello, TL;DR: What's a common perpendicularity tolerance for a 3 mm h6 pin? I have a common scenario where I have two steel dowel pins pressed into one part, which locate another part that has a hole & slot feature. Ultimately, I'm looking to see if anyone has any guidance on what sort of...

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