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  • Kool Mist troubles

    I just pickup up KoolMist tank system to use and to be honest I am very disappointed so far. I am almost 85% sure that I am not using it correctly because many others have great success. So I have tried high pressure and low pressure, large mist and barely visible mist, light cuts and deeps cuts and nothing is giving me any where near the same surface finish as dabbing a bit of tapping fluid on the part before I start the lathe.

    So if anyone can help me go through the setup I would appreciate it.

    So far the best finish is right about 95psi with a barely visible mist. But when I tried this setup while threading it was horrible horrible horrible finish.

    I am using the 78 fluid mixed at their stated ratios. I have picked up some 77 to try.

  • #2
    I have been using Kool mist systems for years but only on the mill and some times a surface grinder . Never had any luck with one on a lathe.And I would think just plane no good for threading. You need plenty of dark cutting oil to get good threads. Kool mist may work to keep a shaft cool so it did not heat up to much but don`t think it will help your finish any . Need to run flood coolant on the lathe is my best guess , are cutting oil.
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    • #3
      Originally posted by SSC View Post
      ... nothing is giving me any where near the same surface finish as dabbing a bit of tapping fluid on the part before I start the lathe.
      Why not just dab a bit of tapping fluid on the part before you start, then? Perhaps you've a solution looking for a problem!

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