Unformatted text preview:

Chabot College Fall 2010Course Outline for Engineering 22ENGINEERING DESIGN GRAPHICSCatalog Description:22 - Engineering Design Graphics 3 unitsIntroduction to the engineering-design process, and to technical-graphic communications tools used by engineers. Conceptual design of products. Development of spatial reasoning skills. Orthographic and axonometric projection-drawing techniques. Tolerance analysis for fabrication. Documentation of designs through engineering working-drawings. Use of AutoCAD Computer-Assisted Drawing software as a design tool. Basic CAD 3-dimensional solid-modeling. Strongly recommended: Mathematics 37, and eligibility for English 1A . 2 hours lecture, 3 hours laboratory.[Typical contact hours: lecture 35, laboratory 52.5] Prerequisite Skills NoneExpected Outcomes for StudentsUpon completion of the course the student should be able to:1. explain the engineering design process;2. use of drafting/sketching instruments: triangles, scale/ruler, compass, drawing templates;3. draw technical sketches;4. demonstrate through drawing, the use of line construction, and identify line-forms contained in the“alphabet” of technical linework;5. practice the use of computer aided drawing (CAD) tools;6. illustrate and discuss solid-object visualization techniques;7. sketch or draw graphic elements; e.g., planes, angles, surfaces;8. construct orthographic projection drawings:a. multiview;b. auxiliary view;c. section view;9. construct axonometric projection drawings: a. isometric; b. oblique;10. apply dimensions to engineering drawings with a basic knowledge of tolerances;11. describe the fundamental concepts of Geometric Dimensioning and Tolerancing (GD&T);12. define, explain, and label standard threaded fasteners;13. create engineering working-drawings used for fabrication and assembly;14. use Computer Aided Drawing (CAD) software to construct 3-Dimensional (3D) drawing-models.a. Surface Models;b. Solid Models; 15. generate using descriptive geometry techniques spatial relationships:a. the point view of a line;b. the true length of a line;c. the edge view of a plane;d. the true size of a plane.Chabot CollegeCourse Outline for Engineering 22, Page 2Fall 2010Course Content (Lecture): 1. The Engineering-Design process;2. Using AutoCAD:a. user interface and working-environmentb. 2-dimensional drawing-construction commandsc. drawing automation/facilitation commandsd. basic Euclidean geometric-constructions;3. Freehand sketching:a. using drafting instruments: triangles, scales, compasses, drawing templatesb. engineering lettering: proper-style, and character formationc. Technical line types and usage as described by alphabet of linesd. Isometric, oblique, and orthographic drawing forms;4. Orthographic-Projection, Multiview drawing:a. visualization – unfolding the “glass box”b. precedence of line typesc. dimension transfer using 45° “mitre” lines;5. Sectional Views:a. the cutting planeb. section linesc. types of section views; e.g., aligned, offset, removed, half, partial, broken-out;6. Auxiliary Views:a. projection between normal and auxiliary planesb. dimension transfer to auxiliary viewc. types of auxiliary views; e.g., partial, sectional, secondary;7. Dimensioning:a. terms and conventionsb. linear, angular, polar, ordinate, baseline, continued, and coordinate dimensionsc. leaders and callouts;8. Standard tolerancing:a. terms and conventionsb. types of tolerances: plus/minus, one-sided, limit9. Geometric Dimensioning and Tolerancing (GD&T):a. terms and conventionsb. types of GD&T tolerances: form, profile, orientation, runout, location;10. Threads and Fastenersa. terms, standards, conventions, and calloutsb. thread graphical representationc. types of GD&T tolerances: form, profile, orientation, runout, location;11. Working Drawings:a. title/tolerance/notes-blocksb. assembly drawingsc. parts lists (i.e., Bills of Material or BoM’s);12. Three Dimensional Drawing Using CADa. AutoCAD 3D software environmentb. surface models/drawingsc. solid models/drawings;13. Descriptive Geometry - use of successive orthographic projection to reveal the true location or size/shape of geometric elementsa. point view of a lineb. true length of a linec. edge view of a planed. true size of a plane.Chabot CollegeCourse Outline for Engineering 22, Page 3Fall 2010Course Content (Laboratory): 1. Draw Design Concept Sketches using pencil and paper;2. Use CAD Software to solve textbook problems ina. Orthographic Projectionb. Three dimensional solidsc. Descriptive geometry;3. Create engineering documentation for design project:a. fabrication drawingsb. assembly drawingsc parts lists (Bills of Materials);Methods of Presentation:1. Formal lectures using PowerPoint and/or WhiteBoard presentations2. Computer demonstrations3. Reading from the text4. Homework assignments a. creating freehand engineering-sketchesb. producing engineering drawings using CAD5. Laboratory use of computers6. Class discussion of problems, solutions, and student’s questionsAssignments and Methods of Evaluating Student Progress: 1. Typical Assignmentsa. Read chapter-5 in the text on the geometric construction of orthographic-projection viewsb. Exercises from the text book, or those created by the instructor1) Given a pictorial representation of a mechanical element with a cutting plane as shown, use AutoCAD to draw the orthographic section-view2) Properly apply the fabrication-required dimensions to the multiview drawing of a mechanical part (alignment block) shown belowChabot CollegeCourse Outline for Engineering 22, Page 4Fall 20103) Consider the Frontal and Profile views of a pipeline, mn, and spherical tank, centered at O, as shown below. Use AutoCAD and Descriptive Geometry methods to determine the distance from the surface of the sphere centered at point-O to the line MN. Use a scale of1:40. State your answer in meters of clearance.2. Methods of Evaluating Student Progressa. weekly homework and/or CAD-laboratory assignmentsb. examinationsc. design projectd. final examinationTextbook(s) (Typical):Modern Graphics Communications, 4th Edition, Frederick E. Giesecke, Alva Mitchell, Henry C. Spencer, John Thomas Dygdon, James E. Novak, Shawna D. Lockhart, Ivan Leroy Hill, Marla Goodman, Prentice Hall, 2010Engineering Graphics with AutoCAD 2009, James D. Bethune, Prentice Hall, 2009Visualization, Modeling, and Graphics for Engineering Design, Lieu, D.K., and Sorby, S.A, Cengage Publishers, 2008.Fundamentals


View Full Document

Chabot ENGR 22 - Course Outline

Download Course Outline
Our administrator received your request to download this document. We will send you the file to your email shortly.
Loading Unlocking...
Login

Join to view Course Outline and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Course Outline 2 2 and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?