microSTAGE is a little CNC with laser.
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the initial concept was to made this machine using less pieces possible and the results is a machine made by only 3 pieces 3d printed.
I0ve also made 2 version,, one using common NEMA 17 motors and one that use BGY28 stepper motor, this version is very cheap and the motors are selled for 2$ with the motor driver
Step 1: Mechanic
wit just 2 3D printed parts, the alinement of the bar and bearing results perfect and I spent just 1 hour for the assembly
2 STEPPER MOTOR (Nema17 or BGY2812)
5mm lead screw
8mm steel rod
7 linear bearing LM8UU
1 Arduino/genuino board
CNC shield or 2 motor driver
Step 2: Files
is possible to download the file here
or visit my github page
In the CAD folders there is the original Freecad file, and in the oter folder there are all the STL to print the nicroSTAGE
I've update the github repo adding the STEP version too
Step 3: DEVELOP
The intent is to use microSTAGE for PCB.
Using presensibilized board, is possible with a uv laser to engrave the positive or negative part and then develop the PCB.
To drive the cnc I used Inkscape with te awesome LaserEngrave plugin
Step 4: Electronic
The wiring is pretty simple using a GRBL CNC shield.
Follow the schemathic that I've dicovered in Hackster.io
the list of material is:
- 1x Arduino Uno
- 1x Motor Jaw Shaft Coupler 5x5mm
- 1x CNC Shield v3.1
- 1x Laser driver 12v
- 2x stepper motors Nema 17
- 1x power supply 12v 5A
- 1x laser diode 1w 445 nm 5.6mm
- 1x heatsink 5.6mm laser diode