Pattern Language for drawings

[cpdpeckh]

Is anyone aware of a "pattern language" for drawings? I am trying to define the characteristics of a quality drawing. Here are some things I've come up with so far:

Drawing/Design Pattern Language:
-Clear and unambiguous
-Completely defines part/assembly
-Drawn for ease of part inspection
-Mistake proofed (poka yoke)
-View and section relationships defined
-Adequate white space

Please share your thoughts.

Don

 

[ewh]

I would add "Drawn to accepted standard." which will help assure "clear and unambiguous", especially when interpreting tolerancing.

 

[MadMango]

Do you mean a "quality drawing" or do you mean a drawing for Quality Dept use?

If this is for CAD, look into establishing drawing templates that are controlled and everyone uses.

I see a conflict with "completely defines part" and "ease of part inspection". Drawings for fabrication can be incredibly different from inspection drawings.

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[TheTick]

"Completely defines part" and "drawn for ease of inspection" are oftentimes in opposition to one another.

Sometimes one drawing does not do it all. At my last job, it was often necessary to develop a separate "process drawing" for checking parts. One could not build a tool from these prints, however.

ewh has a good point about standards. Being literate w.r.t. a specific standard (ASME, ISO) should eliminate the need for "over-explaining". For that matter, there already is a "pattern language" in GD&T which is detailed in ISO and ASME standards. Learn it, and you will likely lose the need to invent something else.

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