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- Geometric_dimensioning_and_tolerancing abstract "Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances. It uses a symbolic language on engineering drawings and computer-generated three-dimensional solid models that explicitly describes nominal geometry and its allowable variation. It tells the manufacturing staff and machines what degree of accuracy and precision is needed on each controlled feature of the part.GD&T is used to define the nominal (theoretically perfect) geometry of parts and assemblies, to define the allowable variation in form and possible size of individual features, and to define the allowable variation between features.Dimensioning specifications define the nominal, as-modeled or as-intended geometry. One example is a basic dimension.Tolerancing specifications define the allowable variation for the form and possibly the size of individual features, and the allowable variation in orientation and location between features. Two examples are linear dimensions and feature control frames using a datum reference (both shown above).There are several standards available worldwide that describe the symbols and define the rules used in GD&T. One such standard is American Society of Mechanical Engineers (ASME) Y14.5-2009. This article is based on that standard, but other standards, such as those from the International Organization for Standardization (ISO), may vary slightly. The Y14.5 standard has the advantage of providing a fairly complete set of standards for GD&T in one document. The ISO standards, in comparison, typically only address a single topic at a time. There are separate standards that provide the details for each of the major symbols and topics below (e.g. position, flatness, profile, etc.).".
- Geometric_dimensioning_and_tolerancing thumbnail Geometric_dimenioning_and_tolerancing-hole.svg?width=300.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink j44mac.pdf.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink gdt_justification.php.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink Levels_Certification_2.cfm.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink introduction.cfm.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink What_Is_GD&T.htm.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink gdt_glossary.html.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink map-of-gdt.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink 811_general_tolerances.pdf.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink 272.htm.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink 267.htm.
- Geometric_dimensioning_and_tolerancing wikiPageExternalLink gdt-tips.htm.
- Geometric_dimensioning_and_tolerancing wikiPageID "468893".
- Geometric_dimensioning_and_tolerancing wikiPageRevisionID "604720755".
- Geometric_dimensioning_and_tolerancing hasPhotoCollection Geometric_dimensioning_and_tolerancing.
- Geometric_dimensioning_and_tolerancing subject Category:Technical_drawing.
- Geometric_dimensioning_and_tolerancing comment "Geometric dimensioning and tolerancing (GD&T) is a system for defining and communicating engineering tolerances. It uses a symbolic language on engineering drawings and computer-generated three-dimensional solid models that explicitly describes nominal geometry and its allowable variation.".
- Geometric_dimensioning_and_tolerancing label "Dimensionamiento geométrico y tolerancia".
- Geometric_dimensioning_and_tolerancing label "Geometric dimensioning and tolerancing".
- Geometric_dimensioning_and_tolerancing sameAs Dimensionamiento_geométrico_y_tolerancia.
- Geometric_dimensioning_and_tolerancing sameAs m.02d68p.
- Geometric_dimensioning_and_tolerancing sameAs Q4684655.
- Geometric_dimensioning_and_tolerancing sameAs Q4684655.
- Geometric_dimensioning_and_tolerancing wasDerivedFrom Geometric_dimensioning_and_tolerancing?oldid=604720755.
- Geometric_dimensioning_and_tolerancing depiction Geometric_dimenioning_and_tolerancing-hole.svg.
- Geometric_dimensioning_and_tolerancing isPrimaryTopicOf Geometric_dimensioning_and_tolerancing.