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GD&T Question Positional

Question asked by Jim Moses on Feb 20, 2020
Latest reply on Feb 21, 2020 by Dave Laban

Hi all,

 

I am having a debate with a coworker and which method means what in relationship to the datum and to the other holes 

 

the way I understand it the top method means nothing is positional more than 0.1 from the datum

the bottom one means the hole patterns can be 0.1 from the datum and each hole set can be a additional 0.1 from the datum.

 

Hopefully I explained this well enough and not cause world war 3 for designer/engineers but would like some more input as I do not see this specific thing covered in ASME Y14.5

 

 

regards,

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