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ALL CAPS. The only exceptions are units where it would be incorrect to capitalize. For example kN or MPa.
In Reply to Brad Mozley:
Pro E users,
Per standard ASME Y14.5-1994, paragraph 1.1.5. states that capital
letters are still required on engineering drawings. Do most people use
upper case text on engineering drawings?
Brad
WF3 - W7
I disagree. Consistency and Professionalism is what we need regarding engineering drawings. This entire "SHOUTING" because items are in all uppercase is from this new generation that seems to be too SENSITIVE! The real reason NOTES on drawing are defined by ANSI standard as ALL UPPERCASE is to eliminate confusion. I, I, Did I just type uppercase "eye" (I) Lower Case "el" (I) or the pipe symbol . All cap notes on Engineering Drawings look much more professional. Maybe we should allow LOL, BRB and other abbreviation's. Of course don't get started on inclusiveness because we omitted ( I ) ( O) (Z) sometime (Q) from revision sequences. SMH
Agreed! To assist in eliminating confusion, we here at TGS do not use a sans serif font. We also do not use an apostrophe to identify a plural noun. SMH. 😉
In Reply to Brad Mozley:
UPPER CASE. As some othershave stated almost always. A very few exceptions. Although, (since it's Friday) I have read thatall upper case is more dificult to read. But the fact remains, ALL UPPER CASEFOLLOWS THE STANDARDS.
Just an update for those who may still have this question.
Section 1 of any of these ASME Y.14.xx standards is introductory material, and applies to information within the document (the standard), which in this case, is ASME Y14.5-1994. It does not apply to the subject of the standard, which is per the title of the document.
As for the question, the answer is still yes, at least for those adhering to the requirement in Subsection 6.3 Letters - Uppercase and Lowercase of ASME Y14.2-2014, which states: "Uppercase letters shall be used for all lettering on drawings unless lowercase letters are required. See Figs. 6-1 and 6-2."
In ASME Y14.100-2017, Subsection 3.67 Special Characters defines lowercase letters as special characters.
The ability to reserve lowercase characters for use as special characters (e.g. mL, mm, kJ, g, etc.) may be of the best arguments for remaining true to the requirement of using all uppercase lettering in engineering drawings.