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Blue Loctite

Discussion in 'General Talk' started by Wip, Jan 17, 2019.

  1. Wip

    Wip Journeyman
    Builder

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    Hello All,

    I don't think this needs an entire thread but just a quick question...

    Should blue Loctite be used on the various bolts holding the machine together? (Specifically, about to build a LEAD CNC 1010)

    Particularly on the set-screws on the NEMA motor shaft and lead screw...but also pretty much all the other bolts as well. (I have a background building R.C. helicopters and blue Loctite was your friend in that hobby - this is my first CNC build though).

    Thanks,

    Don
     
  2. Giarc

    Giarc Master
    Moderator Builder

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    I used it on everything but the screws with nylock nuts.
     
    Gary Caruso likes this.
  3. Wip

    Wip Journeyman
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    Thanks Giarc, I figure it can’t hurt.
     
  4. Christian James

    Christian James Journeyman
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    Is blue loctite the permanent stuff?
     
  5. Wip

    Wip Journeyman
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    No, red is the permanent...

    I went ahead and used blue on most of the bolts.
     
  6. Rendermandan

    Rendermandan Veteran
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    Be aware, you will get some galvanic corrosion from the steel screws that tap into aluminum. From my experience, the screws that hold the end plates on C-beams will get "Stuck" on and require a little more force to break loose. Usually a Pop will happen you can smell a funny odor from it. Not sure what that's called. I've had to take mine apart a lot of times for adjustments, wheel replacements, upgrades etc.
    In reality, it would be better to use Anti-seize on them.
    The screws to T-nuts don't have this problem as they are both steel.
     
    GrayUK likes this.

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