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Y14.5 Basic Dimension & feature control frames

Y14.5 Basic Dimension & feature control frames

Y14.5 Basic Dimension & feature control frames

(OP)
Hello,

I have possibly a very simple question that may be a "noob" question as well. This has been bothering me for the last day and i figured i will throw it out into this forum to see what responses i get. So i was creating a drawing that has positional values and profile callouts. Then it dawned on me why would i need basic dimensions? as long as i have my datums properly called out why would they need basic dimensions? I do not expect for this part to be inspected using surface plate methods, i want this part scanned & probed via PCMM. Now if i were to release this drawing will i be complying to Y14.5 requirements? or will i be violating the GD&T laws? I am curious to see what responses i will get.

Thank you in advance.

RE: Y14.5 Basic Dimension & feature control frames

Is this a CAD model? Is it noted on the drawing that the model takes precedence?
When complete product definition is not contained on the drawing, or not contained in the model, there shall be a note indicating such.
This is not a requirement of ASME Y14.5 but is a requirement of ASME Y14.41, DIGITAL PRODUCT DEFINITION DATA PRACTICES.

edit: I wanted to bring to your attention that these standards are no longer controlled by ANSI, but by ASME.

"Know the rules well, so you can break them effectively."
-Dalai Lama XIV

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