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You can write a macro or script program in CATIA V5 to make the sketch of the shape you described. The program can be based on parameters for input (such as the "number of bubbles").
In attachment you can see the final result.
Are situations with 1,2,3... bubbles.
I parameterized everything in sketch,also the length will be modify and what i want in plus is to add bubble or take out.
I managed to put parameters for bubble radius, diameter, length,I did not succeed to add or subtract more bubbles
- number of bubbles (can be 1,2,3,....n)
- overall length (starting from 50mm to 300,400mm)
- pitch (can be different from case to case)
- bubble radius (can be different from case to case)
- groove radius(can be different from case to case)
- outside diameter(can be different from case to case)
Bellow you can see two situations
Still not enough information, but here is a different approach to your problem: First, make one "bubble" and then use a Pattern for the others. Then add a Fillet where the Pattern intersects the center shaft.
The Parameters: (first 3 are inputs, and other 2 are calculated)
The Formulas:
The model:
I hope this is enough to get you started based on your definitions.
Notes:
*This method does NOT work with only 1 bubble since it uses a Pattern
*Two Planes are only to verify the overall length
*The Assembly command allows using a Fillet where Body.2 intersects Shaft.1
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