I needed a drilling machine for PCB so i designed one tested it and it out better than i expected so I decided to publish it because why not : ) As base for slider i used my custom made Rails based on DIN rails which is perfect for this type of machine. I designet it with simple lock in place system when you push handle gears are blocked and drill cannot move to change that just pull the handle in the opposite direction.
I included the STEP files so you can modify project for your motor in case if any of current diameters didn't match.
To made this work you need:
Keyless drill chuck like this one https://www.amazon.com/Mesee-0-5-3mm-Electric-Collet-Adapter/dp/B08YYM7SC6
4 V Groove Ball Bearings 4x13x6mm https://www.amazon.com/Rollerball-Bearings-Replacement-Precision-4x13x6mm/dp/B08PFRPX8Y
2 bearings 608
8mm rod about 140mm
Din rail 35mm about 125mm
DC motor (mine is 24V 32mm diameter i also designed holders for 21mm motors and 27.5mm)
8 M3 x 5mm screw
4 M4 x 25mm screw and nuts for them
4 M5 x 12mm crew and nuts for them
You also need print 2 gears and 4 spacers for Rail.
You can also find this design on printables:
https://www.printables.com/pl/model/427089-small-pcb-drilling-machine
Here you can find more detals about my DIN rails:
https://www.printables.com/pl/model/260118-din-linear-rail-new-version
| 21mm_Motor_Holder_1.stl | 384.9KB | |
| 21mm_Motor_Holder_2.stl | 133.2KB | |
| 27.5mm_Motor_Holder_1.stl | 430.5KB | |
| 27.5mm_Motor_Holder_2.stl | 155.7KB | |
| 32mm_Motor_Holder_1.stl | 447.4KB | |
| 32mm_Motor_Holder_2.stl | 158.9KB | |
| Base.stl | 581.3KB | |
| Body.stl | 292.4KB | |
| Cover.stl | 1.5MB | |
| Gear_30T.stl | 1.7MB | |
| Handle.stl | 2.3MB | |
| PCB_Drill.step | 4.8MB | |
| Rail_Base.stl | 376.9KB | |
| Spacer.stl | 159.8KB | |
| Stopper.stl | 355.5KB |
