2 years ago I printed a replacement gear for a salad spinner. So many of you asked me how it held up over the years. Today we’ll find out!
I also used the Spur Gear Tool in Fusion360 to design a new replacement gear with involute teeth and this time printed it in Nylon (PA12) instead of PLA. In the end, I even used a 0.25mm nozzle to perfectly print the fine details. I show you two ways to reverse engineer the gear parameters for example the module that is an input parameter for the macro.
Old video: https://www.youtube.com/watch?v=rHim8AVU9qw
Download the Fusion360 file for the gear: https://a360.co/2YobMY6
🛒 Equipment used in this video (Affiliate Links):
Original Prusa i3 Mk3S: https://geni.us/CNCKPrusaMk3
Fiberthree filaments: https://fiberthree.com/
Magigoo PA to get Nylon to stick: https://geni.us/mcWpD
EMSA Salad Spinner: https://geni.us/NDNW
Bosch PBD40 Drillpress: https://geni.us/tKYt
Determining gear dimensions:
https://www.researchgate.net/publication/294895629_A_Procedure_To_Determine_the_Unknown_Geometry_of_External_Cylindrical_Gears
http://www.salemcompany.com/cgi-bin/Store/pdfs/InvGrsClSect8ed2.pdf
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