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Design Dimensioning and Tolerancing J. M. McCarthy Fall 2003

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'sDesign Dimensioning and Tolerancing.. Purpose of an Engineering Drawing.

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Design Dimensioning and Tolerancing J. M. McCarthy Fall 2003

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    1. Design Dimensioning and Tolerancing J. M. McCarthy Fall 2003 Overview of dimensions Dimensioning various features Limits of size Classes of fits Summary

    2. ANSI Y14.5-1994 Standard

    3. Purpose of an Engineering Drawing

    4. Dimensioning Guidelines

    5. Symbols Used in Dimensioning

    6. Layout of Dimensions

    7. Arrangement of Dimensions

    8. Dimensioning Holes

    9. Dimensioning the Radius of an Arc

    10. Drilled Holes, Counterbores and Countersinks

    11. Angles, Chamfers and Tapers

    12. Rounded Bars and Slots

    13. Limits of Size

    14. Fit Between Parts

    15. Classes of Fit

    16. Summary

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