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Protecting MiniMill screws with Shield / Cover / etc?

Discussion in 'CNC Mills/Routers' started by cdii, Aug 31, 2019.

  1. cdii

    cdii New

    Aug 15, 2019
    Likes Received:
    I'm ready to build a MiniMill with mostly OpenBuilds parts- except I'm worried about chips falling into the screws.

    Is it possible to modify a C-Beam Shield from the OpenBuilds parts store, so that it fits onto the shorter MiniMill axes?

    The only other solution I've seen is rubber accordion shields, seen in Joes MiniMill Build

    Does anyone know of any other ways to protect the screws from chips? I would like to mill metal, but I'm worried the chips will wear down the scews on this type of XY table machine
    #1 cdii, Aug 31, 2019
    Last edited: Aug 31, 2019
  2. Rick 2.0

    Rick 2.0 OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

    Dec 20, 2013
    Likes Received:
    Possible yes but it's going to be a fair amount of work. There are no pre-made riser plates for the XL gantry plates so you'll have to make your own. And by adding the necessary riser and doubler plates to the X and Y axes you'll also lose about 1" of working depth. Accordion shields would be far easier and far less expensive.
    cdii likes this.
  3. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Project Maker Builder Resident Builder

    Mar 1, 2017
    Likes Received:
    cdii likes this.
  4. Gary Caruso

    Gary Caruso OpenBuilds Team
    Staff Member Moderator Builder

    May 19, 2016
    Likes Received:
    IMO, since the screws just go to a delrin nut, you don't have too much to worry about as far as chips causing damage.
    Just clean and dry lube 9 (ptfe or si) regularly.
    sharmstr, cdii and Peter Van Der Walt like this.

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