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Group 2

Jarni, Benedik, Richard

DIY CNC mill

Design desicion

standart PCB sizes:

  • metric: 150mm*100mm
  • imperial: 127,38mm*102mm (5inch * 4inch)

material goals:

  1. PCB milling very precise 0,4mm traces
  2. engrave stone soft limestone
    https://marlinfw.org/

    work table (fixed)

    • 160mm*120mm
    • 15mm? height

    outer diamensions: (might change based on final design)

    • 350mm width
    • 300mm depth
    • ? height

    ideaMachine list:bed (work table):

      uper bed: (waste board)
        HDF/MDF lower bed: steel or aluminium
          connect upper bed and lower bed with screws

          Y-Axis:

          X-Axis:

          Frame:

            vertical: 60*30 extrusion horizontal: 30*30 extrusion additional support by steel wires for structural regidity

            idea

            list:

            component list: mechanical structural: - alu extrusion 20*20 moving: - 2x 8mm leadscrews with brass nuts - 4x 8mm guide rails - electrical: mechatronic: manufacturing methods:

            • milling parts

            Links:

              https://marlinfw.org/

              design decicions:

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