1. Mechanical Engineering Drawing MECH 211/2 Y
Lecture #2
Dr. John Cheung

2. Quiz Rounds, Fillets & Runouts
Question:
Match the multiview images with the sketches below.

3. Quiz Rounds, Fillets & Runouts
Question:
Match the multiview images with the sketches below.
Answers:
a) f
b) c
c) e
d) b
e) d
f) g
g) a

4. Drawings Must Be
Accurate
Speed
Legibility
Neatness

5. Alphabet of Lines

6. Alphabet of Lines

7. Alphabet of Lines

8. Keeping a Sharp Edge

9. The Good and The Bad

10. Lettering

11. Fractions

12. Bisecting A Line or Arc

13. Bisecting an Angle

14. Transfer an Angle

15. Parallel Lines Through a Point

16. Parallel Lines at a Given Distance

17. Dividing a Line Into Equal Parts

18. Perpendicular Line Through a Point

19. In Class Exercises
Draw a line that is proportionally divided such that
The first segment in 10%
The second segment is 25%
The third segment is 45%
The last segment is 20%

20. In Class Exercises
Create three arbitrary points (remember points are crossed lines/arcs and not dots)
Find a circle that passes through all three points
Explain WHY your method works

21. In Class Exercise Draw a hexagon
Using the enlarging technique in 4.27 to scale it to two and a half times its size

22. In Class Exercise Draw an arbitrary circle of radius G
Choose an arbitrary point P outside but near the circle
Choose an arbitrary radius R
you may have to choose this several times to get one that works
Find the circle that passes through P with a radius R and is tangent to the first circle

23. In Class Exercise
Draw a title block including the lettering