How to dimension a hole to a datum axis

Forum|Forum|14 years ago
April 11, 2012
3 replies
2041 views

Do you want to dimension a hole to a datum axis? Try this.

I originally posted this for use in a discussion, but it also seems to be a good fit for the How to video challenge.

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General

K

KevinBradberry

Author

1-Visitor

Its easy to choose an axis as a reference for a dimension, but you must then choose a second reference. If you want the dimension to the axis to maintain a straight line from the hole center to the axis, then it appears that the second reference cannot be on a plane that is parallel or perpindicular to one of the planes that the axis is contrained to. I know that is a big sentence, and I hope the video and some experimenting will help it make sense.

I have not studied all possibilities for choosing references for holes, I am only commenting on the technique seen in the video.

D

DanMarotta