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Basics of Engineering Drawing and Graphics

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Engineering Drawing and Graphics, Manual Drafting, Computer Aided Drafting, Manual Drafting Tools, Letterring, Dimensioning and Geometical Constructions

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Basics of Engineering Drawing and Graphics

  1. 1. www.jeyapoovan.com BASICS OF ENGINEERING GRAPHICS Prof.T.JEYAPOOVAN Department of Mechanical Engineering Hindustan Institute of Technology and Science Chennai-603103, India
  2. 2. www.jeyapoovan.com 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.
  3. 3. www.jeyapoovan.com Manual Drafting Tools • Mini Drafter • Instruments Box • Set Squares • Protractor • Pencils (HB, H, 2H) • Eraser
  4. 4. www.jeyapoovan.com ComputerAided Drafting Tools • Computer – High Resolution Monitor display – RAM 2GB or More – Graphics card • Software – AutoCAD • Plotter/Laser Printer
  5. 5. www.jeyapoovan.com Lettering • Letters, numbers and special characters are printed as follows
  6. 6. www.jeyapoovan.com Dimensioning • All dimensions in a drawing are clearly printed using the lettering practice.
  7. 7. www.jeyapoovan.com Drawing Sheet Layout • Layout of drawing sheet shows the title block and border lines as given below.
  8. 8. www.jeyapoovan.com Drawing Sheet Title Block • Title block of a drawing sheet has title of drawing and other details as given below.
  9. 9. www.jeyapoovan.com Printing/Lettering • Print the following sentence in 10 mm capital and 5 mm lowercase letters.
  10. 10. www.jeyapoovan.com Draw an Equilateral Triangle • Construct an equilateral triangle of side 40mm
  11. 11. www.jeyapoovan.com Draw a Square • Construct a square of side 40 mm.
  12. 12. www.jeyapoovan.com Draw a Pentagon • Construct a pentagon of side 30 mm.
  13. 13. www.jeyapoovan.com Draw a Hexagon • Construct a Hexagon of side 30 mm.
  14. 14. www.jeyapoovan.com Draw a Circle • Construct a Circle of diameter 40 mm.
  15. 15. www.jeyapoovan.com REFERENCE BOOKS 1. 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.
  16. 16. www.jeyapoovan.com End of Basics of EG ThankYou

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