Engineering Graphics: Unit I (e): Introduction to Systems of Projection

Introduction to Systems of Projection

Engineering Graphics (EG)

The objective of drawing is to represent objects by means of lines by using any of a wide variety of tools and techniques.

Chapter - 8

Introduction to Systems of Projection

At the end of this chapter we will be able to:

1. Define Projection.

2. Classify the different systems of projection.

3. Define Orthographic, Oblique and Perspective projections. 

4. Suitability of various systems of projection.


INTRODUCTION

The objective of drawing is to represent objects by means of lines by using any of a wide variety of tools and techniques. The purpose of engineering drawing is to provide the exact geometrical configuration designed for construction, machine components, structures or a particular system. It is the language of the designer, technician and engineer, used to communicate design and construction details to others. In the process of transforming details from the designer to the manufacturer the task of recording shapes and sizes of three dimensional objects on two dimensional drawing sheets is done by the method of projection. The different methods of projection are introduced in this chapter. 

Engineering Graphics: Unit I (e): Introduction to Systems of Projection : Tag: : Engineering Graphics (EG) - Introduction to Systems of Projection


Engineering Graphics: Unit I (e): Introduction to Systems of Projection



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