ASME Y14.5.1 pdf free download

ASME Y14.5.1-2019 pdf free download.Mathematical Definition of Dimensioning and Tolerancing Principles Engineering Product Definition and Related Documentation Practices.
1.2.2 Cross-Reference of Standards
Cross-reference of standards in text with or without a date following the standard designator shall be interpreted as follows:
(a) Reference to other ASME Y14 standards in the text without a date following the standard designator indicates that the edition of the standard identified in the References section (subsection 1.3) shall be used to meet the requirement.
(b) Reference to other ASME Y14 standards in the text with a date following the standard designator indicates that only that edition of the standard shall be used to meet the requirement.
1.2.3 Invocation of Referenced Standards
The following examples define the invocation of a standard when specified in the References section (subsection 1.3) and referenced in the text of this Stan• dard:
(a) When a referenced standard is cited in the text with no limitations to a specific subject or paragraph(s) of the standard, the entire standard Is invoked. For example, Dimensioning and tolerancing shall be in accordance with ASME Y14.5’ Is invoking the complete standard because the subject of the standard is dimensioning and tolerancing and no specific subject or paragraph(s) within the standard are invoked.
(b) When a referenced standard is cited in the text with limitations to a specific subject or paragraph(s) of the standard, only the paragraph(s) on that subject is invoked. For example, “Assign part or identifying numbers in accordance with ASME Y14.1OO is invoking only the paragraph(s) on part or identifying numbers because the subject of the standard is engineering drawing practices and part or identifying numbers is a specific subject within the standard.
(c) When a referenced standard is cited in the text without an invoking statement such as “in accordance with,” the standard is invoked for guidance only. For example, “For gaging principles, see ASME Y14.4r is only for guidance and no portion of the standard is Invoked.
12.4 Parentheses FoLLowing a Definition
When a definition is followed by a standard referenced in parentheses, the standard referenced in parentheses is the source for the definition.
1.2.5 Notes
Notes depicted in this Standard in ALL UPPERCASh letters are intended to reflect actual drawing entries. Notes depicted in initial uppercase or lowercase letters are to be considered supporting data to the contents of this Standard and are not Intended for literal entry on drawings. A statement requiring the addition of a note with the qualifier such as is a requirement to add a note, and the content of the note Is allowed to vary to suit the application.
1.2.6 Acronyms and Abbreviations
Acronyms and abbreviations are spelled out the first time used in this Standard, followed by the acronym or abbreviation in parentheses. The acronym is used thereafter throughout the text.
1.2.7 Units
The International System of Units (SI) is featured in this Standard. It should be understood that U.S. Customary units could equally have been used without prejudice to the principles established.
1.2.8 Figures
The figures in this Standard are intended only as illustrations to aid the user in understanding the practices described in the text. In some cases, figures show a level of detail as needed for emphasis. In other cases, figures are incomplete by intent so as to illustrate a concept or facet thereof. The absence of figure(s) has no bearing on the applicability of the stated requirements or practice. To comply with the requirements of this Standard, actual data sets shall meet the content requirements set forth in the text. To assist the user of this Standard, the designated paragraph(s) In which an illustration Is referenced appears in the lower right-hand corner of each figure. This reference may not be all-inclusive. The absence of a paragraph reference is not a reason to assume inapplicability. Some figures are illustrations of models in a three-dimensional environment.ASME Y14.5.1 pdf download.