1. Lecture 1 Friday, 01 May 2015 1 ENGINEERING GRAPHICS 1E7 Lecture 1: Introduction Lecturer: Dr. Bidisha Ghosh (bghosh@tcd.ie)

2. Course Structure Hand Drawing (part 1) -Dr. B. Ghosh Hand Drawing (part 2) -Dr. G. O’Donnell Graphics AutoCAD-Dr. S. Pavia Pspise--Dr. A. Kokaram CAE

3. Assessment Examination: 65% of the overall mark –3 sections (A, B and C) –2 questions per section –3 questions to be answered, one from each section Dr B. Gosh : Sections A and B Dr G. O’Donnell : Section C Labs 35% - assessed by coursework –10 % AutoCAD –10 % Pspice –10% D.O. Tutorials Dr B. Gosh –5 % D.O. Assignment Dr G. O’Donnell

4. Time Table

5. Lecture 1 Friday, 01 May 2015 5 Syllabus – Hand Drawing 1 Basic Construction Orthographic Projections Isometric Projections Auxiliary Views Perspective : One-Point Perspective : Two-Point

6. Lecture 1 Friday, 01 May 2015 6 Aim of the Course Knowledge of engineering drawing instruments Understanding and interpretation of technical drawings Ability to develop projections of a 3D object

7. Lecture 1 Friday, 01 May 2015 7 Evaluation Examination (Sections A & B) (2/3 of the total examination marks) Continuous Assessment (10% of the total course marks) – four drawing office tutorials

8. Lecture 1 Friday, 01 May 2015 8 Waterfall M. C. Escher Technical drawing is the language of engineers and designers

9. Lecture 1 Friday, 01 May 2015 9 Topics of Interest Drawing Instruments Lines Dimensioning

10. Lecture 1 Friday, 01 May 2015 10 1.Drawing Board DRAWING INSTRUMENTS 1

11. Lecture 1 Friday, 01 May 2015 11 DRAWING INSTRUMENTS 2 A Series Formats (mm) A0841 × 1189 A1594 × 841 A2420 × 594 A3297 × 420 A4210 × 297 A5148 × 210 A6105 × 148 A774 × 105 2. Drawing Sheets

12. Lecture 1 Friday, 01 May 2015 12 DRAWING INSTRUMENTS 3 Layout of a Drawing Sheet

13. Lecture 1 Friday, 01 May 2015 13 Tee square/ Drafting Machine DRAWING INSTRUMENTS 4

14. Lecture 1 Friday, 01 May 2015 14 Set squares (a pair) DRAWING INSTRUMENTS 5

15. Lecture 1 Friday, 01 May 2015 15 Irregular/ French curves DRAWING INSTRUMENTS 6

16. Lecture 1 Friday, 01 May 2015 16 Compasses Divider Protractor Ruler/Scale Pencil, Eraser DRAWING INSTRUMENTS 7

17. Lecture 1 Friday, 01 May 2015 17 TYPES OF LINES 3 Main Types DRAWING LINES 1

18. Lecture 1 Friday, 01 May 2015 18 Lines to aid understanding DRAWING LINES 2

19. Lecture 1 Friday, 01 May 2015 19 DIMENSIONING 1 Dimension Lines (DL) Position of DL

20. Lecture 1 Friday, 01 May 2015 20 DIMENSIONING 2 Alignment of DL DL of Small Features Dimensioning Angles Dimensioning Circles

21. Lecture 1 Friday, 01 May 2015 21 DIMENSIONING 3

22. Lecture 1 Friday, 01 May 2015 22 DIMENSIONING 4 Correct Practice of Dimensioning Drawing should only carry dimensions needed to manufacture

23. Lecture 1 Friday, 01 May 2015 23 Reference Books Technical Draughtsmanship By Eanna O’Broin Engineering Drawing with Worked Examples By M.A. Parker & F. Pickup Technical Drawing By F. E. Giesecke, A. Mitchell, H. C. Spencer, I. L. Hill, J. T. Dygdon, J. E. Novak

24. Lecture 1 Friday, 01 May 2015 24 Assignment for Thursday! Get your instruments sorted- buy them or borrow them