Computer Aided Drafting and Design (CAD) at Patrick Henry Community College


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CAD 111 - Technical Drafting I
Introduces technical drafting from the fundamentals through advanced drafting practices. Teaches lettering, metric construction, technical sketching, orthographic projection, sections, intersections, development, fasteners, theory and applications of dimensioning and tolerances. Includes pictorial drawing, and preparation of working and detailed drawings. Part I of II. (Credit will not be awarded for both CAD 111 and DRF 111.)
Lecture 1-2 hours. Laboratory 2-6 hours. Total 3-7 hours per week.
2-3 credits
CAD 200 - Survey of Computer Aided Drafting
Surveys computer-aided drafting equipment and concepts. Develops general understanding of components, operations and use of a typical CAD system. (Credit will not be awarded for both CAD 200 and DRF 200.)
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
CAD 201 - Computer Aided Drafting and Design I
Teaches computer-aided drafting concepts and equipment designed to develop a general understanding of components of a typical CAD system and its operation. (Credit will not be awarded for both CAD 201 and DRF 201.)
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
CAD 202 - Computer Aided Drafting and Design II
Teaches production drawings and advanced operations in computer aided drafting. (Credit will not be awarded for both CAD 202 and DRF 202.)
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
CAD 203 - Computer Aided Drafting and Design III
Teaches advanced CAD applications. Includes customization and/or use of advanced software. (Credit will not be awarded for both CAD 203 and DRF 203.)
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
CAD 226 - Computer Aided Machining
Teaches use of software to create numerical machine code to drive CNC milling machines or lathes. Introduces software and techniques to create, edit and produce CAD drawings, tool paths, and the numerical code for a CAM machine. Includes history, applications, hardware and software requirements, terminology, limitation and future trends. (Credit will not be awarded for both CAD 226 and DRF 226.)
Lecture 2-3 hours. Laboratory 2 hours. Total 4-5 hours per week.
3-4 credits
CAD 231 - Computer Aided Drafting I
Teaches computer aided drafting concepts and equipment designed to develop a general understanding of components and operate a typical CAD system. (Credit will not be awarded for both CAD 231 and DRF 231.)
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
CAD 232 - Computer Aided Drafting II
Teaches advanced operation in computer aided drafting. (Credit will not be awarded for both CAD 232 and DRF 232.)
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
CAD 233 - Computer Aided Drafting III
Exposes students to 3-D and modeling. Focuses on proficiency in Production drawing using a CAD system. (Credit will not be awarded for both CAD 233 and DRF 233.)
Lecture 1-2 hours. Laboratory 2-3 hours. Total 3-5 hours per week.
2-3 credits
CAD 238 - Computer Aided Modeling and Rendering I
Focuses on training students in the contemporary techniques of 3D modeling, rendering, and animation on the personal computer. Introduces the principles of visualization, sometimes known as photo-realism, which enables the student to create presentation drawings for both architectural and industrial product design. Uses computer animation to produce walk-throughs that will bring the third dimension to architectural designs. Part I of II. (Credit will not be awarded for both CAD 238 and DRF 238.)
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
CAD 239 - Computer Aided Modeling and Rendering II
Focuses on training students in the contemporary techniques of 3D modeling, rendering, and animation on the personal computer. Introduces the principles of visualization, sometimes known as photo-realism, which enables the student to create presentation drawings for both architectural and industrial product design. Uses computer animation to produce walk-throughs that will bring the third dimension to architectural designs. Part II of II. (Credit will not be awarded for both CAD 239 and DRF 239.)
Lecture 1-2 hours. Laboratory 2 hours. Total 3-4 hours per week.
2-3 credits
CAD 241 - Parametric Solid Modeling I
Focuses on teaching students the design of parts by parametric solid modeling. Topics covered will include, but not limited to, sketch profiles; geometric and dimensional constraints; 3-D features; model generation by extrusion, revolution and sweep; and the creation of 2-D drawing views that include sections, details and auxiliary. Part I of II. (Credit will not be awarded for both CAD 241 and DRF 241.)
Lecture 2-3 hours. Laboratory 2-3 hours. Total 4-6 hours per week.
3-4 credits
CAD 242 - Parametric Solid Modeling II
Focuses on teaching students the design of parts by parametric solid modeling. Topics covered will include, but not limited to, sketch profiles; geometric and dimensional constraints; 3-D features; model generation by extrusion, revolution and sweep; and the creation of 2-D drawing views that include sections, details and auxiliary. Part II of II. (Credit will not be awarded for both CAD 242 and DRF 242.)

3-4 credits
CAD 243 - Parametric Solid Modeling III
Focuses on teaching students the software for the design of parts and assemblies by means of advanced parametric solid modeling to include advanced mechanical drafting techniques and building mechanical assemblies. Prerequisites: CAD 241 or DRF 241, and CAD 242 or DRF 242. (Credit will not be awarded for both CAD 243 and DRF 243.)
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
CAD 280 - Design Capstone Project
Focuses on design projects developed in independently and in consultation with the Instructor. Topics covered but not limited t, parametric modeling, civil, mechanical piping, architectural applications, structural, electro-mechanical, 3-D Solids, exploration of application software and the integration of CAD/CAM. Prerequisites: CAD 211 or 212, and CAD 199 or 201. (Credit will not be awarded for both CAD 280 and DRF 280.)
Lecture 2-3 hours per week.
2-3 credits
CAD 293 - Studies In (discipline)
Covers new content not covered in existing courses in the discipline. Allows instructor to explore content and instructional methods to assess the course's viability as a permanent offering.
Variable hours per week.
1-5 credits
CAD 295 - Topics In (discipline)
Provides an opportunity to explore topic areas of an evolving nature or of short-term importance in the discipline.
Variable hours per week.
1-5 credits
CAD 298 - Seminar and Project In (discipline)
Requires completion of a project or research report related to the student's occupational objective and a study of approaches to the selection and pursuit of career opportunities in the field.
Variable hours per week.
1-5 credits
CAD 299 - Supervised Study In (discipline)
Assigns problems for independent study outside the normal classroom setting under the guidance and direction of an instructor. Incorporates prior experience and instruction in the discipline.
Variable hours per week.
1-5 credits