N110P1 - Lecture #1 EGR 110 Engineering Graphics Reading...

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1 Lecture #1 EGR 110 – Engineering Graphics Welcome to EGR 110 Engineering Graphics Syllabus Group project Homework Web page Office hours Reminder: Bring memory storage device (disk or flash drive) to each class Reading Assignment: Ch. A-D in Engineering Graphics Workbook, Series 1.2 or Series 2 Sketching Assignment: Sketching Assignment #1
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2 Lecture #1 EGR 110 – Engineering Graphics Why does an Engineer need to learn Engineering graphics? Engineers need to be able to communicate their ideas through drawings and to be able to “read” the drawings of others. Engineering drawings are not art, but are technical presentations based on a well- defined graphic language (containing rules, symbols, standards, etc.) Even though most Engineering drawings are created using CAD, the person creating the drawing must still know what rules to use. For example, a CAD program cannot determine the best view for showing a dimension or decide when to use visible lines or hidden lines. A knowledge of CAD is one of the earliest marketable skills that an Engineering student might possess. Many Engineering students gain valuable experience working with CAD. Many Engineers use CAD routinely. Many Engineers will form sketches of drawings and then have CAD operators produce the drawings. However, the sketches must be technically accurate. For example, it would be unreasonable to expect a CAD operator to know how you wish to layout, dimension, annotate, or section a drawing.
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3 Lecture #1 EGR 110 – Engineering Graphics Drawings may be : Freehand sketches Mechanical drawings (a rapidly vanishing area) Computer-Aided Drawings (CAD) Additionally, CAD drawings may be: 2D Drawings 3D Solid Modeling 3D Parametric Solid Modeling (a more design-oriented approach) Drafting standards There are precise rules for graphical communication. For example, a standard symbol is used to represent a counterbored hole. A key standard is the American National Standard Drafting Manual – Y14 . An engineer needs to be familiar with drafting standards in order to communicate effectively. The textbooks used in this course will introduce the student to important drafting standards.
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4 Lecture #1 EGR 110 – Engineering Graphics Sketching Sketching is perhaps better referred to as freehand drawing . Sketching used by Engineers does not normally refer to artistic renderings such as in creating a
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This note was uploaded on 01/29/2011 for the course EE 203 taught by Professor Gp.(r)muzaffarali during the Fall '10 term at College of E&ME, NUST.

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N110P1 - Lecture #1 EGR 110 Engineering Graphics Reading...

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