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BASICS OF ENGINEERING GRAPHICS

Prof.T.JEYAPOOVANDepartment of Mechanical Engineering

Hindustan Institute of Technology and Science Chennai-603103, India

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Engineering Graphics• Engineering Drawing and Graphics

deals with the preparation of technical drawings for Engineering components like Machine parts and Buildings.

• All Engineering Drawings are prepared in Manual Drafting or Computer Aided Drafting.

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Manual Drafting Tools• Mini Drafter• Instruments Box• Set Squares• Protractor• Pencils (HB, H, 2H)• Eraser

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Computer Aided Drafting Tools

• Computer– High Resolution

Monitor display – RAM 2GB or More – Graphics card

• Software– AutoCAD

• Plotter/Laser Printer

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Lettering• Letters, numbers and special characters are

printed as follows

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Dimensioning • All dimensions in a drawing are clearly

printed using the lettering practice.

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Drawing Sheet Layout • Layout of drawing sheet shows the title

block and border lines as given below.

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Drawing Sheet Title Block • Title block of a drawing sheet has title of

drawing and other details as given below.

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Printing/Lettering • Print the following sentence in 10 mm

capital and 5 mm lowercase letters.

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Draw an Equilateral Triangle

• Construct an equilateral triangle of side 40mm

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Draw a Square • Construct a square of side 40 mm.

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Draw a Pentagon • Construct a pentagon of side 30 mm.

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Draw a Hexagon • Construct a Hexagon of side 30 mm.

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Draw a Circle • Construct a Circle of diameter 40 mm.

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REFERENCE BOOKS1. Jeyapoovan T, “Lesson Plans for Engineering

Graphics”, 2010, Vikas Publishing House Pvt Ltd, New Delhi.

2. Jeyapoovan T, “Engineering Drawing and Graphics”, 2011, Vikas Publishing House Pvt Ltd, New Delhi.

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End of Basics of EG

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