Parametric ESK8 Pulley/Sprocket with Stainless Steel Pins for Kegel/ABEC Hubs- Press /Push Fit
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Easily modified HTD-5M and #25 chain sprockets/pullies for DIY electric skateboard and other light electric vehicles
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Share Alike
I've used bolt-on style printed pullies and sprockets for years now, but lately I've been experimenting with different custom drive systems and branched out into the word of press/push fit hub adapters. As you all know, 3D printed parts are fragile along the z-axis, fracturing easily along the layer lines. I found a cheap solution to this problem by incorporating these 5mm x 40mm Stainless Steel Shelf Pins to take the sheer loads off of the 3D printed parts.
I've included links to the Fusion360 files so you can experiment yourself- best part is they are fully parametric and there are both HTD-5M pullies and #25 chain sprockets with ABEC and Kegel hub adapters. The pins are smaller than the holes/slots in the hubs, so to get a snug fit I've undersized the pin circle diameter so the pins essentially squeeze the center of the hub for a friction fit. When sized properly, there is zero slop/play.
Let me know what you think!