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  • Users: Alexane
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  1. Alexane

    V-grooves as datum

    Hello, I need some help with a part that consists of 2 V grooves which I want to determine as datums. Both 36 diameter pins should be the primary datum. The dowel holes must be perpendicular to the plane that connects the pin's center lines. I am not sure on how to even start. Any assist...
  2. Alexane

    Surface perpendicularity - A beginners question

    Hello, Please review the attached picture. The green surface must be perpendicular to the red surface, datum A, and to the blue surface which is datum B. Datum A is perpendicular to datum B. Which of the tolerance options is the correct one? Is it enough to ask for perpendicularity to one of the...

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