Introduction to Geometric Dimensioning and Tolerancing


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Introduction to Geometric Dimensioning and Tolerancing
Introduction to Geometric Dimensioning and TolerancingFor many in the manufacturing sector, geometric dimensioning and tolerancing (GD&T) is a new subject. During World War II, the United States manufactured and shipped spare parts overseas for the war effort. Many of these parts were made to specifications but would not assemble. The military recognized that producing parts that do not properly fit or function is a serious problem since lives depend on equipment that functions properly. After the war, a committee representing government, industry, and education spent considerable time and effort investigating this defective parts problem; this group needed to find a way to insure that pa…
Citation
Gene R. Cogorno: Geometric Dimensioning and Tolerancing for Mechanical Design. Introduction to Geometric Dimensioning and Tolerancing, Chapter (McGraw-Hill Professional, 2006), AccessEngineering Export