My selfbuild CNC-Mill
For now its almost done! My selfbulid CNC-Mill is ready to use.
It all started during my x-mas holidays when I found Tinheads Valkyrie here on LMR. I had the idea of bilding a CNC-Mill before, but the whole thing seemed to be to complicated. But then, inspired by Tinhead I started reading DIY CNC-pages for hours and hours and after a few days I started building it. My first machine had a lot of mistakes (you can see the history here: http://letsmakerobots.com/node/16392), but i learned a lot by doing so.
So here are some facts about the final version:
Working Area: 310x310x10mm
Working speed X&Y up to 5000mm/min, Z up to 500 mm/min
The movement of the axis is controlled by stepper-motors with 200steps and 4A phasecurrent.
The PCB for the stepperdriver is bought here: www.mechapro.de (3D-Step)
The whole system is running under ubuntu-linux und EMC2 (linuxcnc.org) on an old PC (Athlon XP 1,6GHz - 512 MB Ram - 8GB CF-Card as harddisk)
What did it all cost:
- woodparts: 0€ (every woodpart is "recycled")
- aluminium: about 70€
- linearrails: 100€ (ebay)
- the whole Y-axis: 35€ on ebay (this was really really cheap!!!!)
- linearscrew 16x4 for the x-axis: 25€ (ebay - 1 I had already before)
- Stepper-motors: 16€ (ebay)
- ballbearings: about 15€
- Stepperdriver-PCB: 20€
- Stepperdriver-parts: about 30€
- Stepperdriver enclosure: 0€ (it's an about 20 years old dual 5-1/4" floppy-drive enclosure)
- Spindle (Kress FME 800): 120€
- 24V Power-Supply: 8€ (ebay)
- 5V Logic-Supply: 0€ (old small ATX supply)
- PC: 0€ (put together the best old parts i had flying around)
- misc. electronic parts (relais, darlington, cable, etc.): about 20€
all together (including things i have forgotten) about 500€
If someone has a question - feel free to post here, I will answer as fast as possible!
a few more pics:
Things to get changed someone in the (deep) future:
- Working-tabe made of 20mm Aluminium (80€) an a T-Nuten table (don't know the english word)
- a frame made of steel or aluminium (no more wood)
- better mount for the spindel
- depth-regulation for better engraving/pcb cutting
- 4A/phase update for the stepperdriver
- better interface for manual control (broke already a few bits through pressing the wrong key.....)
- better vacuum system for dust removal....
New Video: Now its possible to play music on my cnc ;-)
made with mid2cnc