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Nautilus Gears
by MishaT
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Nautilus gears based on logarithmic spirals.
Gear profiles generated based on research by Ágnes Dabi, Zsigmond Istvan Varju, Dr. Laczik Balint et. al. at the Budapesti Muszaki es Gazdasagtudomanyi Egyetem.
Agnes, Dabi (2005). Változó áttételű fogaskerék tervezés (Doctoral dissertation).
Budapesti Műszaki és Gazdaságtudományi Egyetem
The gear profiles were generated using this Maple script for which full credit goes to the original authors:
http://www.maplesoft.com/applications/view.aspx?SID=95483&view=html&L=G
Rendered animation of the gears: http://www.youtube.com/watch?v=dtkEyZwuwH4
Don't own a 3D printer? Now available for purchase at Shapeways (http://shpws.me/Kdit)
I'm not going to upload the SolidWorks file because it is frankly a mess of different experimentation, but I uploaded the DXF which should be easy enough to modify with most CAD software.
Update: No more breaking pins!
I've replaced the pins with a simple press fit design. Print two of the
Gear profiles generated based on research by Ágnes Dabi, Zsigmond Istvan Varju, Dr. Laczik Balint et. al. at the Budapesti Muszaki es Gazdasagtudomanyi Egyetem.
Agnes, Dabi (2005). Változó áttételű fogaskerék tervezés (Doctoral dissertation).
Budapesti Műszaki és Gazdaságtudományi Egyetem
The gear profiles were generated using this Maple script for which full credit goes to the original authors:
http://www.maplesoft.com/applications/view.aspx?SID=95483&view=html&L=G
Rendered animation of the gears: http://www.youtube.com/watch?v=dtkEyZwuwH4
Don't own a 3D printer? Now available for purchase at Shapeways (http://shpws.me/Kdit)
I'm not going to upload the SolidWorks file because it is frankly a mess of different experimentation, but I uploaded the DXF which should be easy enough to modify with most CAD software.
Update: No more breaking pins!
I've replaced the pins with a simple press fit design. Print two of the
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