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Plastic Bottle and cap threads - Design Approach

Question asked by Lenny Dichiara on Aug 9, 2015
Latest reply on Aug 10, 2015 by Andrew Kronquist

Hi All

I am modeling a series of bottles with threaded necks and I need to create corresponding Cap designs.

I was wondering if anyone had any tutorials or sample files they might be able to share; I have done these

types of designs several times before but on this occasion have had some issues with the 3D printed parts

not aligning properly; Im not sure if my tolerances are too small and causing part interference or if my approach

should be a bit different.

I have the bottle design as a dumb solid and when creating the cap I am using the thread data from the bottle (with a surface offset)

to create the cap threads. I took this approach as I don't have the pitch or thread information from the bottle so I wanted to see

if anyone had any experience with this type of application.


Thank you -