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  1. jskevin

    Using flange with scallops cut into it as datum

    Yes its just the clearance holes for bolts which locates this part, and the OD doesn't mate with anything. So it would make a lot more sense to use the bolt pattern as datum B, right? Thanks for helping me think this through!
  2. jskevin

    Using flange with scallops cut into it as datum

    Hello, I have a bolt flange that has scallops cut into it so material is removed between the bolt holes. Can I use the outside diameter of the flange as a datum, now that its not a circle, but just a number of edges that are tangent to that outside diameter? I have a picture attached. Does...
  3. jskevin

    Strain Failure Criteria

    Hello, I am working on a flexible plastic part. I want to know if it can bend open enough without breaking. I have a good idea of the strain at break, but I don't have the stress strain curve so I don't have a good idea of the young's modulus. I don't really care about the force required to...

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