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- Politecnico di Milano
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- Mechanical Engineering
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- Laboratorio CAD
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Geometric Tolerances
Topic-based study materials for Laboratorio CAD in the Mechanical Engineering degree programme at Politecnico di Milano. The document covers: Geometric Tolerances & Dimensioning MANUFACTURING PROCESSES - 2, IE-352 Ahmed M. El-Sherbeeny, PhD KING SAUD UNIVERSITY Spring - 2014 1 Content Overview Form tolerances Orientation tolerances Location tolerances Wrapping up ANSI Y14.5-1994 Standard This standard
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Topic-based study materials for Laboratorio CAD in the Mechanical Engineering degree programme at Politecnico di Milano. The document covers: Geometric Tolerances & Dimensioning MANUFACTURING PROCESSES - 2, IE-352 Ahmed M. El-Sherbeeny, PhD KING SAUD UNIVERSITY Spring - 2014 1 Content Overview Form tolerances Orientation tolerances Location tolerances Wrapping up ANSI Y14.5-1994 Standard This standard
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Geometric Tolerances & Dimensioning MANUFACTURING PROCESSES - 2, IE-352 Ahmed M. El-Sherbeeny, PhD KING SAUD UNIVERSITY Spring - 2014 1 Content Overview Form tolerances Orientation tolerances Location tolerances Wrapping up ANSI Y14.5-1994 Standard This standard establishes uniform practices for defining and interpreting dimensions, and tolerances, and related requirements for use on engineering drawings. The figures in this presentation are taken from Bruce Wilson’s Design Dimensioning and Tolerancing. Geometric Tolerancing What is Geometric tolerancing used for? Geometric Tolerancing is used to specify the shape of features. Things like: Straightness Flatness Circularity Cylindricity Angularity Profiles Perpendicularity Parallelism Concentricity And More... Overview of Geometric Tolerances Geometric tolerances define the shape of a feature as opposed to its size. We will focus on three basic types of geometric tolerances: 1. Form tolerances: straightness, circularity, flatness, cylindricity; 2. Orientation tolerances; perpendicularity, parallelism, angularity; 3. Location tolerances: position, symmetry, concentricity.
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