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  1. Daewoo200

    2 separate questions - establishing hole datum axis and datum pattern

    Hi Burunduk, Say I have a block. Three sides of the block are defined as datum A, B, and C. A hole in the block is datum E and datum E is positioned off of A, B, and C. Now, I have another random feature (boss, hole, slot, whatever) on my block that I want relative to datum E. I would relate...
  2. Daewoo200

    2 separate questions - establishing hole datum axis and datum pattern

    I have two separate questions. They are the following: 1. I am confused about how a datum axis is established on a CMM. Is the axis established wherever the hole ends up being -whether the hole is in position tolerance or out of position tolerance? Or is the axis established based off of the...
  3. Daewoo200

    how to align two holes colinear with each other

    yeah I think that is correct. I don't necessarily need the position of the holes to be a tight tolerance to B and C. But I do want the centerline between the 2 holes parallel to within a tight tolerance of datum C. And also hold the distance of the two holes along that centerline relatively...
  4. Daewoo200

    how to align two holes colinear with each other

    Hi all, I currently have an issue where I have a flat long rectangular plate and am trying to callout two press fit holes. The main face of the rectangular plate is datum A, the short right side of the rectangular plate is datum B, and the long bottom side of the plate is datum C. I don't...

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