Neato Botvac Lidar Drive Wheel
thingiverse
The pulley on my Neato Lidar was loose so the lidar (Piccolo Laser Distance Sensor) failed to spin up correctly. I suspect this is why the motor gave out - PWM trying hard to boost RPMs while the pulley slipped and continued slipping. This pulley fits the motor shaft snugly and diameter seems suitable for lidar measurements to function well. Note that the channel the belt runs through isn't quite shaped the same way (this one is wider), but it works fine. The 3D printed one isn't as smooth as the original, providing more surface grip but less sidewall. Still, it operates successfully.
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