adjustable bed for K40 Laser

Christmas - plenty time to play in my "laboratory" and "shopfloor"

https://youtu.be/1mPsXdkFD6s

adjusting the right focus distance for different object hight is a mess to do manually..
made an stepper motor driven solution with some random parts I found in my shelf...
I also added a solution for an most simple attachment for my rotary axis....
https://www.thingiverse.com/thing:2687482

recomended changes on the K40: cut back of the exhaust and a square hole (320x220 in my case) at the bottom

1 Nema17
1 EasyStepper ( for testing only)
- a simple electronic board for up/down/speed with buttons and digital display for the actual height based on Arduino/ATiny85 is in work ...
1 Powersupply 12V 2A
4 bearings 8x16x5
4 bearings 6x14x5
standard M8 spindles
Alu plate 6mm and 3 mm
Belt length is around 1230 mm

5 GT2 Pulleys are printet with my D7
4 "Fuss" printed with FDM Filament: Recreus flexible

dont miss this... https://www.thingiverse.com/thing:2749445