Principles of Drafting

 

I. T. 105 - Fall 2005

 

Up Grades Notes and Handouts Class Policies

 

COURSE DESCRIPTION

An introduction to mechanical drafting involving geometrical constructions, orthographic projection, dimensioning techniques, sectional views, auxiliary views, isometric views, and other topics related to manufacturing and other areas of drafting.

 
 

Textbook

Technical Drawing, 12th Ed. by Giesecke, Mitchell, Spencer, Hill, Dygdon, and Novak.

Software

AutoCAD Mechanical 2006

 

   
 

COURSE OBJECTIVES

Upon completion of the course, students will be able to:

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Describe differences between mechanical drawing and sketching

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Describe the role of the engineer on a design team

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Explain features most common in cad software.

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Create proportional freehand sketching using correct sketching techniques

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Apply basic principles of geometric construction to create necessary geometry.

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Draw the six standard views of an object

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Draw any three views of an object using proper conventions, placement, and alignment.

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Describe and apply first and third angle projection

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Transfer height, width, and depth between orthographic views.

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Understand the meaning and properly apply section and cutting plane lines.

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Create auxiliary view from standard orthographic views.

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Construct partial auxiliary views

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Identify and discuss current and future manufacturing processes

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Use conventional dimensioning techniques to describe size and shape accurately on an engineering drawing.

 
 

TOPICS

This course will specifically address the following topics:  

 

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Introduction and expectations

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Graphical language, design, and manufacturing—Chapter 1

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AutoCAD software

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Lines and data input—Chapter 3

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Geometrical constructions—Chapter 4

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Datum planes

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Multiview projection and shape description—Chapters 5-6

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Freehand sketching and lettering—Chapter 3

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Dimensioning—Chapter 11

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Sectional views—Chapter 7

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Auxiliary views—Chapter 8

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Isometric drawing—Chapter 16

 

COURSE GRADE

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Exams                             20%

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Lab Assignments          48%

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Lab Practical                  16%

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Final Exam                     16%

 

 
 

GRADING SCALE

The following grading scale will be used in this course:

 

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95--100  =  A

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 85--94   =  B

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 70--84   =  C

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 60--69   =  D

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   0--59   =  F

 
  USEFUL LINKS

AutoDesk-Information on software, helpful hints, discussion topics.

Journey-Educational software for students at discounted prices.

CADALYST-Helpful hints and information about CAD products.