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Unformatted text preview: University of Macau Department of Electromechanical Engineering DRWG120 - Mechanical Drawing Syllabus 2 nd Semester 2010/2011 Part A – Course Outline Compulsory course in Electromechanical Engineering Course description: Auxiliary Views. Blocks. Mechanical Fasteners. Gears and Cams. Surface Development. Working Drawings. 3D AutoCAD operations. Prerequisite: DRWG101 - Technical Drawing Textbook: • Douglas Smith, Antonio Ramirez. Technical Drawing 101 with AutoCAD , Prentice Hall, 2009. ISBN: 0131751220 Reference: • Cecil Jensen, Engineering drawing & design, McGraw-Hill, 2008. Course objectives: 1. Learn graphical communication language that engineers practice. [g] 2. Recognize the need for life long learning by encouraging students to learn many aspects of CAD software and its user interface on their own since such engineering tools keep evolving. [i] 3. Learn graphical techniques as well as use of modern CAD software. [j, k] 4. Develop the skills in CAD operations to visualize, create, and modify 3D solid models. [k] Topics covered: 1. Auxiliary Views – Primary Auxiliary Views; Multi-Auxiliary-View Drawings; Secondary Auxiliary Views; Revolution; True Length of a Line; Points, Lines, and Planes in Space; Point on a Line; Visibility of Lines in Space; Distance Between Lines and Points; Edge and True View of Planes; Angles Between Lines and Planes. 2. Blocks – Creating Blocks; Inserting Blocks into a Drawing; Editing Blocks. 3. Threaded Fasteners – Thread Terminology; Thread Forms; Thread Drawings: Detailed, Schematic, and Simplified Representations. 4. Gears – Types of Gears; Terminology; Formulae; Drawing of Involute; Simplified Drawings of Gears. 5. Miscellaneous Types of Fasteners – Keys; Splines; Pin Fasteners; Retaining Rings; Springs; Rivets. 6. Cams and Cam Followers – Types of Cams; Types of Cam Followers; Cam Nomenclature; Cam Motions; Cam Displacement Diagrams; Eccentric Plate Cam; Conjugate Cam; Face Cam; Drum Cam Drawing; Indexing Drives; Cam Applications. 7. Surface Development – Surface Development Drawings; Joints, Seams, and Edges; Parallel Line Development; Radial Line Development; Transition Pieces; Parallel Joint; Oblique Joint; Development of a Sphere: Gore Method and Zone Method. 8. Intersection – Intersecting Prisms. Intersecting Cylinders. Intersection of Cylinders and Prism. Intersection of Cylinder and Cone. Intersection of Plane and Curved Surface. 9. Mechanical Working Drawings – Assembly Drawings; Exploded Assembly Drawings; Detail Drawings. 10. Architectural Working Drawings – Floor Plans; Electrical Plans; Elevations; Building Services Drawings. 11. 3D Modeling Basics – Setting the 3D Modeling Environment; Extruding 2D Entities to Create 3D Objects; Editing 3D Solid Models; Viewing 3D Objects; Wireframe Models; Shaded Models; Rendering....
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- Spring '11