Skip to main content

Pencil Punk (tem, nikl, jakob)

Potential Names

  • Drawback
  • Pencil Punk
  • HacksyDraw

Requirements

  • size for painting a3 paper
  • capstan drive
  • h bot for movement
  • easily to assemble / disassemble
    • removable thread of the capstan drive

Roadmap

Syntax: 1, 2, 1.1
- task 1 and 2 are independent from each other
- task 1.1 can only be executed after task 1
  • 1 cad & assemble all parts
  • 1.1 print parts (until friday ev)
  • 2 power electronics
    • 2.1 user interface (svg to motor control code)
  • 3 toolpath planning: svg in -> toolpath out
  • 100 make video

availability friday

  • matthias 9 bis 14.30, ab 18.00
  • niklas 15.00 bis ...
  • jakob ab 10.00

next steps

  • friday 12.00: all single parts modeled
  • friday 15.00: all parts assembled (the other person does driver)

References

  • https://github.com/SeanP2001/Urumbu_USB_Stepper_Motor
  • cable carriers 3d printable
  • urumbu further work
  • sampo
  • OSAP web framework for talking with usb-driven hardware modules (e.g. motors), shoving everything you would make on pcbs onto the desktop for rapid prototyping. overkill for our project.

Mechanical Design

  • TODO insert niclas' sketches

BOM

Motor Driver

  • https://www.digikey.com/en/products/detail/texas-instruments/DRV8428PWPR/13563046
  • not in the lab. ordered
  • alternative: hbot firmware together with ramps

Toolpaths

  • gcode to motor action
  • urumbu uses https://github.com/SeanP2001/Urumbu_USB_Stepper_Motor
Back to top