Assembly of IC Engine Connecting rod

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 [email protected] for suggestions and criticisms.

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4. •Select XZ plane and create the sketch as shown
•Use symmetric protrude, depth 33mm


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5. •Select front surface as shown and create the sketch as shown
•Use cut out, depth 6.5 mm


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6. •Use smart mirror option and select previously created feature,
and select mid plane as shown
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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
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8. •Use lofted protrusion to create the feature as shown below.
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9. •Select YZ plane and create the sketch as
shown
•Use Hole option to create the hole as
shown below.


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10. •Use smart mirror option to create the feature as shown below and
select the mid plane, select both previously created features
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11. •Create angled plane as shown below. Giving 60
O
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.
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12. •On this 30 deg angled plane create hole as shown below. Also create cutout as
shown for depth of 7mm
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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.
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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
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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.
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100
o
degree revolved cutout

45
o
to front plane

90
o
to 45
0
plane

2mm hole on 90
o
plane

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0.5 mm cutout

Sketch on the new plane
Sketch on the 90
o
plane which
was created earlier
0.5 mm cutout

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Mirror other side

1.5 mm cutout from bottom

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Sketch on plane normal to curve
Swept Protrusion
Sketch parallel plane

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Protrusion upto next
Cutout through all

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Sketch 0n 3mm parallel plane
from bottom, cutout 16 mm
2 mm cutout
1 mm round
Through all, cutout

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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 5
o

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Counter sink Hole, through all

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