How to design self-reversing screws?

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Designing self-reversing screws requires specific calculations and measurements, which can be challenging to find. The discussion highlights the need for detailed information on thread pitch and gypsi dimensions for effective design. The user is focused on creating a self-reversing screw for a biomass feeding system, indicating a practical application for the design. Despite extensive Google searches, relevant resources and development guidelines remain elusive. Assistance in this niche area is sought to advance the personal project.
RubenJ
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good afternoon
I would like to design a self-reversing screws for a small personal project, but I can not find anything to be able to carry it out, as well as measurements, thread pitch, gypsi, ...
to see if you can help me
 

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Hello
I've searched on the subject in Google but I can not find anything about the development and calculations. As well as the size of the gypsi on the axis of the self-reversing screws. I would like to develop one for a biomass feeding system, it is a personal project, but I really do not find anything.
Thank you.
 
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