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Center for Curriculum and Transfer Articulation
Technical Drafting II
Course: DFT111

First Term: 1998 Fall
 Lec + Lab   3 Credit(s)   6 Period(s)   5.1 Load  
Subject Type: Occupational
Load Formula: S


Description: Dimensioning and tolerancing, sectional views and auxiliary views



MCCCD Official Course Competencies
1. Find the true shape of inclined surfaces. (I)
2. Plot curves on inclined surfaces. (I)
3. Complete correct auxiliary views of objects. (I)
4. Find true lengths of lines by revolution. (II)
5. Describe fabrication and casting techniques. (III)
6. Dimension an object in either English or metric measurements. (IV)
7. Calculate tolerances and allowances for an object. (V)
8. Define thread symbols. (VI)
9. Define terms for bolts, studs, and screws. (VI)
10. Draw complete working drawings, using proper line work and dimensioning techniques. (VII)
11. Reproduce drawings on a blue line machine. (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. Auxiliary views
   A. Plane
   B. Reference plane
   C. Dihedral curves
   D. Plotted curves
   E. Ellipses
II. Revolutions
   A. Axis perpendiculars
      1. To frontal plane
      2. To horizontal plane
      3. To profile plane
   B. Revolution of points
      1. Normal axis
      2. Inclined axis
      3. Oblique axis
   C. Revolution of lines
   D. Revolution of circles
   E. Counterrevolution
III. Shop processes
   A. Hand tools
   B. Machine tools
   C. Castings
   D. Fabrication
IV. Dimensioning
   A. Size and location
   B. Dimension and extension lines
   C. Arrowheads and leaders
   D. English versus metric
   E. Do`s and dont`s of dimensioning
V. Tolerancing
   A. Definition of terms
   B. Specifications of tolerancing
   C. Symbols for tolerancing
   D. Maximum material condition
   E. Form tolerances
VI. Threads, fasteners, and springs
   A. Definition of terms for threads
   B. Thread symbols
   C. Definitions or terms for bolts, studs, and screws
   D. Keys
   E. Pins
   F. Rivets
   G. Types of springs
      1. Helical
      2. Compression
      3. Torsion
VII. Design and working drawings
   A. General types of drawings
      1. Empirical design
      2. Scientific design
   B. Detail drawings
   C. Assembly drawings
   D. Patent drawings
VIII. Reproduction and control of drawings
 
MCCCD Governing Board Approval Date:  5/27/1997

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.