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Center for Curriculum and Transfer Articulation
Geometric Dimensioning and Tolerancing
Course: DFT115

First Term: 2020 Fall
 Lecture   3.0 Credit(s)   3.0 Period(s)   3.0 Load  
Subject Type: Occupational
Load Formula: S


Description: Principles and application of the latest techniques in geometric dimensioning and tolerancing in accordance with current American Society of Mechanical Engineers (ASME) Y14.5M. Recommended for all manufacturing personnel who read or produce engineering drawings related to contracts with the U.S. Government.



MCCCD Official Course Competencies
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)
8. Identify and interpret position tolerances on engineering drawings. (VIII)
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements.
 
MCCCD Official Course Outline
I. Introduction to geometric dimensioning and tolerancing symbols
   A. American National Standards Institute (ANSI)
   B. Use of symbols
II. General tolerancing
   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
 
MCCCD Governing Board Approval Date: 6/22/2004

All information published is subject to change without notice. Every effort has been made to ensure the accuracy of information presented, but based on the dynamic nature of the curricular process, course and program information is subject to change in order to reflect the most current information available.