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coolant system for lathe

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  • coolant system for lathe

    My 15" YMZ lathe originally had a coolant system, but this was removed by the previous owner. I'm considering adding such a system back in, but was wondering about coolant life, smell, etc. I found a website that shows using an inexpensive mini-submersible pump and a bucket; any thoughts?

    http://www.bedair.org/Grizzly12x/GrizzlyG4003G5.html

    Thanks -

    - Bart
    Bart Smaalders
    http://smaalders.net/barts

  • #2
    That will work. The main thing i have found out from years of use is .Use a synthetic coolant mix. I does not go bad and stink up the place are grow bacteria.
    Every Mans Work Is A Portrait of Him Self
    http://sites.google.com/site/machinistsite/TWO-BUDDIES
    http://s178.photobucket.com/user/lan...?sort=3&page=1

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    • #3
      Nice job Bart. Looks a lot like the stock Little Giant flood coolant setup on the Wilton 7x12 bandsaw I just finished overhauling.

      Originally posted by Lane
      Use a synthetic coolant mix. I does not go bad and stink up the place are grow bacteria.
      I know this has been asked a million times on PracticalMachinist, but I've never seen the same recommendation twice

      What's a good synthetic coolant to use? I bought a gallon of Rustlick SynKool from Enco last month, and MickeyD has a gallon of LiquidIce he's holding for me. But is there such a thing as a synthetic coolant that doesn't rust the tool and doesn't eat the paint?
      Last edited by lazlo; 12-31-2008, 08:02 PM.
      "Twenty years from now you will be more disappointed by the things that you didn't do than by the ones you did."

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      • #4
        rustlick rusting metal ?

        I use a rustlick coolant, forget which one. I have to use a high concentration of coolant, but it does not rust the machinery at all...

        Lenord

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        • #5
          I use synthetic coolant in my VMC and I like it. There are a couple of places where the coolant pools on top of a painted piece (on top of the tool changer and a couple of wire covers) and it has loosened that paint up some. Now, on the positive side, I have not had any rust issues, have not broken any taps, and surface finish is good. I think I will take a little paint issues on some parts after years of use vs. vices being rusted to the table, ways eaten up, your machine smelling like a cat litter box, and other related problems. Most machines need to be repainted after years of use, synthetic coolant just makes it a little easier.

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          • #6
            Lenord, I used to use Rustlick on my bandsaw and if it sat for more than a couple of days it would get really stinky. Switched to Liquid Ice HP and that problem went away.

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            • #7
              When I upgrade my mill I think I will add that...

              Are Loc-Line nozzles actual spray nozzles, or do they just let stuff out?

              Now I need to find coolant in smaller than 5 gallons. Kool Mist is in smalll packs from LMS.

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              • #8
                Have you seen these?-

                http://grizzly.com/products/7-Gallon...k-System/H8140

                Not a bad price and a much better pump design,plug and play feature is nice too.

                I haven't had too much luck with submersible pumps on lathes.Not enough capacity and they don't last long.Last one I bought cost $80,for just the pump.

                This is the best water-sol coolant I have found.In ten years I have never had a batch go stinking where others had.

                http://www.synlube-mi.com/Templates/...olant_king.htm

                They also do full and semi-synthetics-

                http://www.synlube-mi.com/products.htm

                KBC carries their full line.
                I just need one more tool,just one!

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                • #9
                  Do they wear out because of a lack of a filter?

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                  • #10
                    Partly and partly because they use a rubber or plastic impellar that runs agaist a plastic housing.

                    The pumps like the Grizzly unit use a iron impellar and housing and the motor isn't submerged.No electrical to get soaked and no seals for tiny little flecks of metal to tear up.

                    Filtering return coolant 100% is difficult,unless you build a centrifuge type filter.The honest coolant pumps don't care if a little fine swarf gets in the inlet.
                    I just need one more tool,just one!

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                    • #11
                      Maybe you make your own pump? ITS A LATHE!

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                      • #12
                        I've built and worked on too many pumps,it's not THAT much fun anymore
                        I just need one more tool,just one!

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                        • #13
                          Well, it would be my first pump


                          Why not make a peristaltic pump? Its the kind used for pumping blood, no high precison, rotary table and lathe work. It would be totally unaffected by chips, could probably pump coolant full of chips.

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                          • #14
                            Originally posted by Teenage_Machinist
                            Well, it would be my first pump


                            Why not make a peristaltic pump? Its the kind used for pumping blood, no high precison, rotary table and lathe work. It would be totally unaffected by chips, could probably pump coolant full of chips.
                            BTDT,hose rots and cracks,coolant goes bye-bye all over the floor.

                            Well if you want to make a pump,just copy what works.That design with the motor up top and the impellar submerged has been around since 1914 at least and is still used today.Millions of machinetools can't be wrong

                            It would be mostly lathe work,with some RT work.
                            I just need one more tool,just one!

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                            • #15
                              Hmm seems like there must be an un-rottable hose material. It would not be too messy,.


                              TIme to scrounge plans.

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