capitals
capitals
(OP)
I'm sure I've read before in the ASME GD&T standard that any annotation should be in all caps but I can't seem to find where it is right now. Can anyone help?
Powerhound
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RE: capitals
5.3 Letters - Upper and Lower Case - Upper case letters shall be used for all lettering on drawings except lower case letters may be used to conform to established standards, equipment nomenclature, or marking. Height of lower case letters should be two- thirds the size of capital letters. (See Figures 14 and 15).
RE: capitals
4.3 Letters - Upper and Lower Case
Upper case letters shall be used for all lettering on
drawings unless lower case letters are required (see
Figs. 14 and 15).
Note Figures 14 and 15 just show incline and vertical lettering.
RE: capitals
The most obvious place that 'lower case' is significant is in certain metric units. For instance millimeters should be mm not MM.
RE: capitals
Section 1.2 References. calls out ASME Y14.2M-1992 Line Conventions and Lettering. I'm sure it's stated in more detail in that spec and I thought we had that spec in house.
Heckler
Sr. Mechanical Engineer
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RE: capitals
para. 1.1.5 of y14.5-1994 references notes used in the figures in the standard only, not on our drawings.
monkeydog and finethread have answered your question. y14.2m-1992 covers lines and lettering style, etc. genium (actually general electric) has it covered in their own specification.