1. BMFR 4113 – CAD/CAM LECTURE 5 INTRODUCTION TO MODELLING SYSTEM

2. Learning Objectives Recognize the basic facilities available in one of a high end CAD systems. Learn the basic use of parametric modelling system in a particular software.

3. Major CAD/CAM systems. Unigraphics Pro Engineer CATIA I-DEAS The modelling methods that are embedded within most major CADCAM systems are: Solid Modelling Surface Modelling Wire frame Modelling Feature-Based Modelling

4. 7.1 Typical CADs general facilities Fig. 7.1 The Unigrpahics screen appearance before starting the modelling.

5. CATIA

8. Geometric Facilities in CATIA

9. Geometric Facilities in Unigraphics

15. 7.2 Solid Modelling Example 1

19. Example 2

20. Example 3

21. Drafting

22. EXAMPLE –step by step

31. Assembly

32. Assembly - Example 2

33. Assembly - Exploded Components

34. The end