I am currently in the process of designing a drinks bottle and I am finding it very difficult to find information on plastic threads for the bottle neck and cap threads. If anyone can point me towards tutorials that would be great.
Thanks a lot. these details will come in useful.
I am struggling a bit to actually model the inside thread for the cap. any information on doing that?
You should probably be able to easily find some instructions on modeling internal threads. I don't know if there is something different about the cap threads that would make it more difficult but the quick answer is you should use a helix as the path for a sweep (if you want to add the threads) or a swept cut (if you want to remove the threads). Either way could work. If you want to attach a file with your progress so far we could take a look at it and give more specific suggestions.
It looks like several options were detailed in a previous thread - https://forum.solidworks.com/message/108591. Have you checked these out?
Brian, Thank you for the link. I jsut stumbled upon this discussion and it is very helpful.
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