Dimensioning standards - PowerPoint PPT Presentation

Ch.9 Dimensioning

Ch.9 Dimensioning. Objective: Learn the rules of dimensioning. Terms you learn in this chapter have direct relevance to dimensioning by CAD. Why do we need dimensions? Important elements of a dimensioned drawing Dimension text placement Unidirectional vs. aligned dimensions

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Dimensioning Standards …..Why are they needed?

Dimensioning Standards …..Why are they needed?. To give manufacturers and part fabricators the information they need to create complicated parts. AMERICAN NATIONAL STANDARDS INSTITUTE Organization that oversees products, services, drawing plans, etc. Working Drawing. How are they read?.

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Dimensioning Standards Part 3

Dimensioning Standards Part 3. Cylinders. Generally dimensioned in profile view . is used to avoid confusion with a linear dimension. Curved Features. Points are placed along the contour and are dimensioned from the datum. Datum. Reference Dimensions. Reference Dimension (..):

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