![]() Because of the widespread use of computer-aided design (CAD) and the industry transition toward reduced use of Now, a consensus committee of experts has revised Y14.5 for 21st-century applications. By providing uniformity in drawing specifications and interpretation, GD&T reduces guesswork throughout the manufacturing process - improving quality, lowering costs, and shortening deliveries. GD&T is an essential tool for communicating design intent - that parts from technical drawings have the desired form, fit, function and interchangeability. ![]() The Y14.5 standard is considered the authoritative guideline for the design language of geometric dimensioning and tolerancing (GD&T.) It establishes symbols, rules, definitions, requirements, defaults, and recommended practices for stating and interpreting GD&T and related requirements for use on engineering drawings, models defined in digital data files, and in related documents.
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