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Tutorial on modeling drill bit.
Here is the tutorial.
Step 1
Sketch >> Top plane.
Step 2
Draw this profile.
Step 3
Revolve it about base line.
Step 4
Again Sketch >> Top plane.
Step 5
Draw a line and spline tangent to it.
Step 6
Exit the sketch and go to Insert >> Sweep >> Cut.
Step 7
Press CTRL and then select both line and spline and press middle mouse button.
Step 8
For section draw a circle with center outside the drill body.
Step 9
Material side be inside the circle.
Step 10
Click OK and the feature is generated.
Step 11
Select cut feature and then Edit >> Pattern.
Step 12
About X-Axis at 360º two times. Click OK.
Step 13
Now we have two cut feature generated.
Step 14
Insert >> Warp.
Step 15
Select the body and then twist tool. Under References change direction to Right plane.
Step 16
Input the angle value 180º and click OK.
Step 17
We have drill bit generated.