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C-beam vs 8020 V-slot gantry

Discussion in 'CNC Mills/Routers' started by HulkSmash, Jul 15, 2018.

  1. HulkSmash

    HulkSmash New

    Apr 14, 2018
    Likes Received:
    Hi guys,

    I after a little advice from some of the builders on here.

    I'm sort of new to the whole cnc thing but I'm having a go at designing something on fusion.

    I am making a gantry to span 1200. What would be stronger..

    2x c-beam with 2 pieces of box section steel 40x20 mm x 1.5mm along each recessed area or 3x v-slot 8020 fastened together.

    My gantry plates are 10mm thick aluminium.

    I am using steel In the base area so its gonna have some weight to it....and its gonna be driven with ball screws.

    Looking at 566oz nema 23. (4Nm)

    Many thanks


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