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Dual Z stepper Hypercube Robo R2

Discussion in 'Mods and Upgrades' started by Lance Weston, Jul 12, 2019 at 11:37 AM.

  1. Lance Weston

    Lance Weston Member

    Jun 2, 2018
    Likes Received:
    I started out building a test bed for a replacement board for my R2. When I finished I had a working printer with a rigid mount of the bed. I started with the Hypercube Revolution but used only a few of it's plastic parts. The Print Head drive system, although larger, is the Robo R2 design and the parts are compatible. The open design makes it very easy to work on.

    I am adding a spread sheet containing the parts and will add to ad organize as I go along change extension from pdf to xls.

    I am still improving some plastic but will start releasing the parts and the firmware. If I get any interest I will speed it up.

    It thinks it is a Robo R2. I handles 240 mm x 250 mm x 250 mm. The size is only dependent on the frame. The four 12 mm posts on the corners of the bed give me a better print.

    I am using an Arduino Ramps 1.4 board which can be used to replace the Robo R2 motherboard if it dies.

    Link to the Arduino Code and the Raspberry Pi Image:

    I am starting at the top of the printer and working my way down, loading the STL files. The drawings are in Inventor and I will send those files or step files to anyone who needs them. This is a remix of the Hypercube Evolution on thinigiverse.com and it has a spread sheet showing where to obtain parts. The rods and lead screws are not the same length as the evolution and I will get to them as I go down the printer. The downtown board needs to be modified to isolate the GND on the thermister 0 then move the GND side to the hot of thermister 1. The Arduino board gives better regulation with an isolated thermister. If you can not order a spare downtown board you will need to use other connectors for the fans, thermister and heater. I will in the future make a lower plastic that holds connectors and does not require a downtown board.
    Included so far:
    Print Head STL files.
    Bearing Housing STL files. More info is available on https://www.thingiverse.com/thing:3504503

    Attached Files:

    #1 Lance Weston, Jul 12, 2019 at 11:37 AM
    Last edited: Jul 13, 2019 at 1:12 PM
  2. albert3d

    albert3d Member

    Feb 3, 2018
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    Very interesting. I'll be looking forward to updates

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