Laser Rotary

Laser rotary

This rotary isn't for the stock K40 controller such as the M2nano. You will need to upgrade to a controller that can be configured for a rotary device. I use a Cohesion3D running Smoothieware and Lightburn Laser software. You will need to modify the steps per degree configuration value for correct rotary length movement. Other laser controllers such as Ruida will work also.

Video
https://youtu.be/c_CwmfQNdzA

parts required
5/16x18 threaded rod (or 8mm)
four 608-2rs skate bearings
small m3 nuts and bolts to attach pulleys and stepper motor
six 5/16x18 lock nuts (or 8mm)
Nema17 stepper motor
HTD3 belt 105tooth 315mm length 9mm wide Gates Part# HTD3M-315
Four 30mm inside diameter rubber O-rings

I used the openscad parametric pulley to design the idler and HTD3 pulleys
https://www.thingiverse.com/thing:16627

You can use any type belt that is approximately 315mm length and create matching pulleys. I used HTD3 type belt since that was found in m