2. Introduction to Engineering Graphics Engineering Graphics use in many engineering discipline Mechanical Architecture Electrical Aerospace Structural Product Representation (3 –D drawing)

3. Typical Branches of Engineering Graphics Mechanical Power Generation Transportation Manufacturing Power Services Atomic Energy Marine Vessels

4. Typical Branches of Engineering Graphics Architectural Commercial Buildings Residential Buildings Institutional Buildings Environmental Space Forms

5. Typical Branches of Engineering Graphics Electrical Power Generation Power Application Transportation Illumination Industrial Electronics Communications Instrumentation Military Electronics

6. Typical Branches of Engineering Graphics Aerospace Aerodynamics Structural Design Instrumentation Propulsion Systems Materials Reliability Testing Production Methods

7. Typical Branches of Engineering Graphics Piping Liquid Transportation Manufacturing Power Services Hydraulics Pneumatics

8. Typical Branches of Engineering Graphics Structural Structural Designs Buildings Planes Ships Automobiles Bridges

9. Typical Branches of Engineering Graphics Technical Illustration New Products Assembly Instructions Presentations Community Projects Renewal Programs

10. Drawing Equipment

11. Drafting Equipment Drafting Machine

12. Drafting Equipment Triangles 45° 30°/60°

13. Drafting Equipment Adjustable Triangle

14. Drafting Equipment Protractors Half-Circle Full-Circle

15. METRIC SCALE 1:1 SCALE (1mm DIVISIONS) mm 1:1 0 1020304050607080 1 8 34 52.5

16. METRIC SCALE 1:2 SCALE (2mm DIVISIONS) mm 1:2 0 20 40 6080100120140 160 34 8 53 115

17. Drafting Equipment Compasses Drop Bow Bow

18. Drafting Equipment Compasses Beam

19. Drafting Equipment Wooden Pencil Automatic Pencil Mechanical Pencil

20. Drafting Equipment Erasers

21. Drafting Equipment Erasing Shield Drafter’s Brush

22. Drafting Equipment Templates

23. Drafting Equipment Irregular Curves

24. Drafting Equipment Technical Pens

25. Drawing as a Language BS308 Part 1 and Part 2 Consist of: Types Of Lines, abbreviation, symbols, notations, values, etc

26. LEADER APPLICATION OF LINES DIMENSION LINE EXTENSION LINE HIDDEN LINE BREAK LINE VISIBLE LINE CUTTING-PLANE LINE CENTER LINE (PATH OF MOTION) CENTER LINE SECTION LINE PHANTOM LINE VIEWING-PLANE LINE

28. CIRCLES AND ARCS ESTABLISH CENTER LINES DRAW CIRCLES AND ARCS COMPLETE OBJECT LINES Highlighting the center lines for circles – Extended the objects

29. HIDDEN LINE TECHNIQUE

30. DICTIONARY OF DRAFTING GEOMETRY STRAIGHT LINE (SHORTEST DISTANCE BETWEEN TWO POINTS) PARALLEL LINES INTERSECTING LINES

31. DICTIONARY OF DRAFTING GEOMETRY RIGHT ANGLEACUTE ANGLE OBTUSE ANGLE COMPLEMENTARY ANGLE SUPPLEMENTARY ANGLE

32. DICTIONARY OF DRAFTING GEOMETRY EQUILATERAL TRIANGLE ALL SIDES EQUAL LENGTH ISOSCELES TRIANGLE TWO SIDES EQUAL LENGTH RIGHT TRIANGLESCALENE TRIANGLE

33. DICTIONARY OF DRAFTING GEOMETRY CIRCLES CONCENTRIC ECCENTRIC

34. DICTIONARY OF DRAFTING GEOMETRY SQUARE RECTANGLE RHOMBUS RHOMBOID TRAPEZOID TRAPEZIUM

35. DICTIONARY OF DRAFTING GEOMETRY PENTAGON HEXAGONHEPTAGONOCTAGON NONTAGON DECAGON DODECAGON

36. DICTIONARY OF DRAFTING GEOMETRY CUBE RIGHT RECTANGLE RIGHT TRIANGULAR PRISM RIGHT TRIANGULAR PYRAMID RIGHT CYLINDER RIGHT CONE FRUSTUM OF A CONE SPHERE

37. PRACTICE BISECTING A LINE

38. PRACTICE BISECTING AN ARC

39. PRACTICE BISECTING AN ANGLE

40. 1-40 Figure 1.13 Practice Lettering

41. PAPER SIZE Paper sizeBorder width (mm)Diamensions (mm) ab A020 1189X841 A120 841X594 A210 594X420 A310 420X297 A410 297X217

42. 1-42 Figure 1.15 – Paper sizes (a) (b) Paper Border

43. 1-43 Figure 1.16 – Explain typical layout of a drawing sheet (suitable for detail drawings)

44. 1-44 Figure 1.17 – Explain typical layout of a drawing sheet (suitable for assembly and multi detail drawings)

45. Assignment 1 Take home/Draw in Class