A4 Pen Plotter
by JuanGg, published
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This is a pen plotter capable of printing on A4 paper sheets. It is intended to be similar to the Aritma Amagraph pen plotter, be as compact and robust as posible as well as reliable.
It is controlled by means of an arduino with a grbl shield, wich drives the x and y motors, and the solenoid used for lifting-lowering the pen in response to g-code generated in inkscape and sent through grbl controller. Scroll down for a gif of it working.
Depending on your printer, some holes may be drilled to make bolts fit. Big tolerances are used, so no sanding is required.
How I Designed This
1) 3d printed parts (All files starting with "Print"):
Print one of each (ending in x1) or two (ending in x2). One needs to be mirrored as specified in its name.
2) Non 3d printed parts:
Stls included for dimensions. Material specified in their name.
In addition, two 6mm ID 30 mm long 0,5 mm thickness brass tubes are needed to act as
bearings between x carriage and the steel shafts.
b)Screws (and their nuts):
1 M4x20 mm
1 M4x40 mm
15 M3x12 mm
4 M3x30 mm
8 2x10 wood screws
2 M4 wing nuts (optional)
1 Arduino UNO
1 arduino CNC shield (with drivers)
Mosfet circuit to drive the solenoid using the spindle pin(example included)
1 Jack conector
1 470 Ohm resistor
A computer to generate and send the g-code to the plotter.
2 NEMA 17 x 35 mm stepper motors.
1 Spring loaded 12v solenoid (mine was from an old printer, use the one you have and glue
it in place.
Paper rollers from an old printer (you can print them yourself)
Sand paper to glue on the 12mm alumninum tube to grip the paper
4 Ball bearings 4mmID 13mmOD 5mm thickness
6mm wide Belt and pulley
6 x 12 mm spring
And the compulsory one: Some free time.
I am currently working on them. For now, try to follow the pictures. Ask me any doubt or question you have.
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A4 Pen Plotter by JuanGg is licensed under the Creative Commons - Attribution - Non-Commercial license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- Remixing or Changing this Thing is allowed.
- Commercial use is not allowed.
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