Motor drive for X-Y-Z axis of my Micro-Mill

thingiverse

No, this is not a must have but a nice-to-have add-on which allows fast movements and a constant feed rate when milling. As I didn't want to add gear motors, couplers, end stops and a wire harness to my little machine only driving it via the hand wheels was feasible. As a side effect it also gets simpler and cheaper. Additional parts required: 1 Gear motor,12V, 100RPM (130/170RPM), short circuit current ≤2,1A (25GA370) 1 Controller, min. 12V/3A, PWM-type (ZK-MG or ZK-PP2K) 1 Pushbutton, DPDT, momentary with center off! (22*26mm) 1 Switch, DPDT, (22*26mm) 1 Power supply, 12V/2,5-3A 1 Power socket, 5,5/2,1mm, M8 mounting thread 1 Motor adapter, Aluminum (Steel), Ø15*40-42mm 1 Flathead screw, Steel, M4*20-25mm 2 Grub screw, Steel, M3 4 Flathead screw, Steel, M4*25-30mm (enclosure) 2 Screw, Steel, M3x8mm x Wire, min. 1mm², various colors The cup eats around 23m and the enclosure 48m of 1,75mm PLA. Print times were 5.5 and 13.25h on my entry level printer (0.4mm nozzle, 0.3mm layer thickness). Most likely it will also fit other milling machines or lathes with 80mm hand wheels. And no, the STLs are without my initials.... A more detailed project report with step-by-step explanations and details in German language can be found here: https://www.die-heimwerker.net/t661f22940-Motorantrieb-fuer-die-X-Y-Z-Achse-der-Fraesmaschine.html . Google translate should take care of it for other languages. Even though it is a German language newsgroup don't hesitate to ask in English there in case you have questions. I try to avoid visiting thingiverse to often as it always ends up with hours of printing........ In other words: most likely it will take some time before I find a PM or comment on thingiverse.