Introduction%20To%20Engineering%20Communication%20by%20Sketching%20and%20Isometric%20Pictorials%20-%201 - PowerPoint PPT Presentation

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Introduction%20To%20Engineering%20Communication%20by%20Sketching%20and%20Isometric%20Pictorials%20-%201

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Introduction To Engineering Communication by Sketching and Isometric Pictorials - 1 Agenda Understand graphics as a communication tool Make a first 3-D and 2-D sketch – PowerPoint PPT presentation

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Title: Introduction%20To%20Engineering%20Communication%20by%20Sketching%20and%20Isometric%20Pictorials%20-%201


1
Introduction To Engineering Communication by
Sketching and Isometric Pictorials - 1
  • Agenda
  • Understand graphics as a communication tool
  • Make a first 3-D and 2-D sketch

2
Reference Materials
  • Introduction to Graphics Communication for
    Engineers (IGCE) by G. R. Bertoline
  • 1st Chapter Introduction to Graphics
    Communications
  • 2nd Chapter Sketching and Text (through Section
    2.4.1 for today)

3
Attempt in teams of two persons to describe the
part below in words only. Write your description
on a sheet of paper. Q Would this be an
effective way to tell someone how to build this
part?
4
Chap 1 Topics to Note
  • Reasons for Technical Drawings
  • Tools for Technical Drawing
  • Traditional
  • Computer Based
  • Alphabet of Lines

5
Chap 2 Sketching and Text
  • Types of Technical Drawings
  • Advice on Freehand Sketching
  • Introduction to Projections

6
Three Basic Types of Technical Drawings
  • Freehand sketches
  • Instrument drawings
  • Computer drawings and models

7
Advice on Freehand Sketching
  • Orient paper to be comfortable
  • Mark end points of the lines to be sketched
  • Relax and draw in direction comfortable to you
  • Draw long lines as a series of short lines
  • Use grid paper when available

8
Introduction of Projections Our challenge is to
present 3-D objects with 2-D media
  • Two Basic Categories
  • Multi-view Pictorial

9
Assignment A First Sketch
  • On a plain sheet of paper
  • Sketch a multiview (front, top, right side)
    drawing of the object in slide 3
  • Sketch an isometric drawing of the object in
    slide 3
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