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Author Topic: My Harbor Freight Mini Mill CNC  (Read 1778 times)

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Offline Stev

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My Harbor Freight Mini Mill CNC
« on: May 24, 2020, 07:38:16 AM »
As pictured, my harbor freight mini mill converted to CNC, I want to add a coolant mist sprayer for my machine but I'm afraid of rust on my ball crews, I installed a plexiglass shield in-between the motor and the column to protect my Z ball screw and ball nut from any flying chips, I also installed a piece waterproof fabric to act as one large bellow to protect my X/Y stepper motors from any future coolant.

Any ideas on what to use as coolant on the cheap? And I've been using a heat lamp 24/7 to keep any and all humidity down to prevent any rusting. Any advice or opinions will be nice.

Thanks.

Screenshot-2020-05-24-062549" border="0

Offline Stev

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Re: My Harbor Freight Mini Mill CNC
« Reply #1 on: May 26, 2020, 10:38:57 PM »
Since there's no real place to ask this, I need a metal coupler that's 2" long and with a 8mm bore, only one I can find is 1.4375in long and made out of plastic