NEMA17 4:1 Gearbox

youmagine

Here's a 4:1 gearbox designed specifically for NEMA17 stepper motors, featuring herringbone gears that provide smooth power transfer while minimizing side-thrust from the gears. THIS DESIGN REQUIRES ADJUSTMENTS TO WORK WITH YOUR PRINTERParts have been engineered to be 0.3mm larger, so keep this in mind when printing if you want a proper fit.If you encounter any issues assembling the parts as shown or notice backlash in the assembled gearbox, you'll need to modify the design files and adjust part dimensions to suit your printer's specifications.For more detailed information, assembly instructions, design files, and a comprehensive guide on designing printable gears using Autodesk Inventor, check out my post at https://0x7d.com/2014/08/41-gearbox-for-nema-17-stepper-motors/.