Worm gear - drive / 30:1 - Free 3D Print Model (opens in new tab)

Download this free 3D print file designed by Tobi. I have designed the gearbox to be operated with a NEMA 17 motor on a ball screw. Data sheet:Number of gears1Number of teeth z30Gear ratio I30:1Pitch angle α4.05° As the lead angle is less than 5°, the gearbox is self-locking. Self-locking it can only be driven via the worm, not via the worm wheel!!! Printed from “normal” PLA, it can transmit a torque of around 3 Nm. More is certainly possible with a stronger plas...