Assembly of Connecting rod, Computer Aided Machine Drawing (CAMD) of VTU Syllabus prepared by Hareesha N Gowda, Asst. Prof, Dayananda Sagar College of Engg, Blore. Please write to hareeshang@gmail.com for suggestions and criticisms.

2. Hareesha N G, Dept of AE, DSCE 2

3. Hareesha N G, Dept of AE, DSCE 3

4. • Select XZ plane and create the sketch as shown
• Use symmetric protrude, depth 33mm
4Hareesha N G, Dept of AE, DSCE

5. • Select front surface as shown and create the sketch as shown
• Use cut out, depth 6.5 mm
5Hareesha N G, Dept of AE, DSCE

6. • Use smart mirror option and select previously created feature,
and select mid plane as shown
6Hareesha N G, Dept of AE, DSCE

7. • Create a parallel plane at distance of 84 from right side surface of the main body and create
sketch as shown in fig 1.
• On right side surface of the main body as shown, create the sketch as shown in fig 2.
fig 2
fig 1
7Hareesha N G, Dept of AE, DSCE

8. • Use lofted protrusion to create the feature as shown below.
8Hareesha N G, Dept of AE, DSCE

9. • Select YZ plane and create the sketch as
shown
• Use Hole option to create the hole as
shown below.
9Hareesha N G, Dept of AE, DSCE

10. • Use smart mirror option to create the feature as shown below and
select the mid plane, select both previously created features
10Hareesha N G, Dept of AE, DSCE

11. • Create angled plane as shown below. Giving 60O angle wrt horizontal plane, taking vertical plane as
intersection.
• Create a parallel plane as shown at distance 42mm from the previously created angled plane.
• Create hole on parallel plane as shown below.
• Take front plane create 30 deg line as shown.
11Hareesha N G, Dept of AE, DSCE

12. • On this 30 deg angled plane create hole as shown below. Also create cutout as
shown for depth of 7mm
12Hareesha N G, Dept of AE, DSCE

13. • Mirror the previously created both features as
shown below. Selecting smart mirror option and
mid plane.
• Create 3 circles of 24, 26, 24 mm respectively on
parallel planes as shown in fig below.
• Use lofted protrusion to create the feature
shown, selecting those three circles.
13Hareesha N G, Dept of AE, DSCE

14. • create cut out as shown. • create protrusion as shown, selecting
previously created sketch and using
up to next option
• Create oil hole using below sketch and using
revolved cut out command
14Hareesha N G, Dept of AE, DSCE

15. Part-2 : Bush
• Select XY plane, create the sketch as shown
in fig, create feature as shown giving depth
of 25mm, symmetric.
• Create the sketch, on parallel plane which is
at a distance of 9mm from center of cylinder,
as shown in fig 2 and create cutout, give 0.5
depth
• Create cutout with 2mm dia circle, use upto
next.
15Hareesha N G, Dept of AE, DSCE

16. 16Hareesha N G, Dept of AE, DSCE

17. 17Hareesha N G, Dept of AE, DSCE
100o degree revolved cutout 45o to front plane
90o to 450 plane
2mm hole on 90o plane

18. 18Hareesha N G, Dept of AE, DSCE
0.5 mm cutout
Sketch on the new plane
Sketch on the 90o plane which
was created earlier
0.5 mm cutout

19. 19Hareesha N G, Dept of AE, DSCE
Mirror other side
1.5 mm cutout from bottom

20. 20Hareesha N G, Dept of AE, DSCE
Sketch on plane normal to curve
Swept Protrusion
Sketch parallel plane

21. 21Hareesha N G, Dept of AE, DSCE
Protrusion upto next
Cutout through all

22. 22Hareesha N G, Dept of AE, DSCE
Sketch 0n 3mm parallel plane
from bottom, cutout 16 mm
2 mm cutout
1 mm round
Through all, cutout

23. 23Hareesha N G, Dept of AE, DSCE
Mirror other side
Round 10mm both side
Mirror all features
other side
1.5 mm cutout , from bottom
Sketch on plane normal to curve Protrusion upto next, taper 5o

24. 24Hareesha N G, Dept of AE, DSCE
Counter sink Hole, through all

25. 25Hareesha N G, Dept of AE, DSCE

26. 26Hareesha N G, Dept of AE, DSCE

27. 27Hareesha N G, Dept of AE, DSCE

28. 28Hareesha N G, Dept of AE, DSCE