Maricopa Community Colleges  DFT115   19936-19976 
Official Course Description: MCCCD Approval: 05/25/93
DFT115 19936-19976 LEC 3 Credit(s) 3 Period(s)
Geometric Dimensioning and Tolerancing
Principles and application of the latest techniques in geometric dimensioning and tolerancing in accordance with current American National Standard Institute (ANSI) Y14.5M. Recommended for all manufacturing personnel who read or produce engineering drawings related to contracts with the U.S. government. Prerequisites or Corequisites: (DFT112 or DFT/MET114) or permission of department.
Cross-References: MET115
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MCCCD Official Course Competencies:
 
DFT115   19936-19976 Geometric Dimensioning and Tolerancing
1. Identify geometric dimensioning and tolerancing symbols in manufacturing. (I)
2. Interpret engineering tolerances as applied to drawing dimensions. (II)
3. Define the datum plane concept. (III)
4. Identify and interpret datum features and datum targets on engineering drawings. (IV)
5. Identify and interpret geometric characteristics and their tolerances zones on engineering drawings. (V)
6. Identify and interpret the effect of geometric dimensioning and tolerancing symbols modifiers applied to geometric characteristics. (VI, VII)
7. Identify and interpret position tolerances on engineering drawings. (VIII)
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MCCCD Official Course Outline:
 
DFT115   19936-19976 Geometric Dimensioning and Tolerancing
    I. Introduction to geometric dimensioning and tolerancing symbols
        A. American National Standards Institute (ANSI)
        B. Use of symbols
      II. General toleraning
          A. Plus or minus
          B. Limits
          C. Fits
        III. Datum identification and interpretation
            A. Plane
              1. Primary
              2. Secondary
              3. Tertiary
            B. Target symbols
              1. Current
              2. Former
            C. Axis
            D. Multi datum relationship
            E. Inspection related
          IV. Feature control frame
              A. Order of symbols and tolerances
              B. Application of engineering drawings
            V. Form control symbols, interpretation and evaluation
                A. Straightness
                B. Flatness
                C. Circularity (roundness)
                D. Cylindricity
                E. Profile
                F. Parallelism
                G. Perpendicularity
                H. Angularity
                I. Concentricity
                J. Runout
                K. Interrelated
                L. Previous symbols
                  1. Symmetry
                  2. Total runout
              VI. Geometric modifiers
                  A. Symbols
                  B. Interpretation
                  C. Evaluation
                VII. Basic dimensions
                    A. Theory
                    B. Symbols
                    C. Drawing application
                  VIII. Interpretation and evaluation of symbols in position tolerancing
                      A. Theory
                      B. Mating parts
                      C. Gaging
                      D. Coaxial relationship
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