ASME Y14.3:2012 pdf free download – Orthographic and Pictorial Views
1.2.3 Invocation of Referenced Standards.The fol-lowing examples define the invocation of a standardwhen specified in the references section and referencedin the text of this Standard:
(a) When a referenced standard is cited in the textwith no limitations to a specific subject or paragraphs(s)of the standard, the entire standard is invoked. Forexample，“dimensioning and tolerancing shall be inaccordance with ASME Y14.5″is invoking the com-plete standard because the subject of the standard isdimensioning and tolerancing and no specific subject orparagraph(s) within the standard are invoked.
(b) When a referenced standard is cited in the textwith limitations to a specific subject or paragraph(s) ofthe standard, only the paragraph(s) on that subject isinvoked. For example, “assign part or identifying num-bers in accordance with ASME Y14.100 is only invok-ing the paragraph(s) on Part or Identifying Numbersbecause the subject of the standard is engineering draw-ing practices and part and identifying numbers is a spe-cific subject within the standard.
(c) When a referenced standard is cited in the textwithout an invoking statement,such as “in accordancewith,” the standard is for guidance only. For example,”for gaging principles see ASME Y14.43” is only’forguidance, and no portion of the standard is invoked.
1.2.4 Parentheses Following a Definition.When adefinition is followed by a standard referenced in paren-theses,the standard referenced in parentheses is thesource for the definition.
1.2.5 Notes.Notes depicted in this Standard in alluppercase letters are intended to reflect actual drawingentries. Notes depicted in initial uppercase or lowercaseletters are to be considered supporting data to the con-tents of this Standard and are not intended for literal entry on drawings. A statement requiring the additionof a note with the qualifier “such as” is a requirement toadd a note and the content of the text is allowed to varyto suit the application.
1.2.6 Acronyms and Abbreviations. Acronyms andabbreviations are spelled out the first time it is used inthis Standard, followed by the acronym or abbreviationin parentheses.The acronym is used thereafter through-out the text.
1.2.7 Units. The International System of Units (SI)is featured in this Standard. It should be understoodthat U.S. customary units could equally have been usedwithout prejudice to the principles established.
1.2.8 Figures.The figures in this Standard areintended only as illustrations to aid the user in under-standing the practices described in the text. In some
cases, figures show a level of detail as needed for empha-sis. In other cases, figures are incomplete by intent so asto illustrate a concept or facet thereof.The absence offigure(s) has no bearing on the applicability of the stated
requirements or practice. To comply with the require-ments of this Standard, actual data sets shall meet thecontent requirements set forth in the text. To assistthe user of this Standard, a listing of the paragraph(s)that refer to an illustration appears in the lower right-hand corner of each figure.This listing may not beall-inclusive.The absence of a listing is not a reason to assume inapplicability. Most figures are illustrations ofmodels in a three-dimensional environment. Figures illustrating drawings in digital format have a borderincluded.When the letter”h” is used in figures for letterheights or for symbol proportions, select the applicableletter height in accordance with ASME Y14.2.