[Jewelry making - Article 01086] - Re: [Orchid] Trim saw lubricants?

[coralnut]

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Adam,

    One problem with using veggie oils is they tend to congeal when
    subjected to heat and they become a messy slurry with gooked up with
    kerf residue as the blade takes it from the stone. As the stone is
    cut, the surface of the blade becomes very hot (you may even see
    sparks of light).  This breaks down the oil and lessens what little
    lubrication qualities the oil had to begin with. I hate motor oil
    also as it can also become quite messy though it does retain its
    lubrication qualities for a long time. I have never heard of the
    flash point being a consideration.  In nearly 30 years I can't
    remember hearing of anyone blowing up their saw because of using
    motor oil, diesel, or kerosene.  The Pres of our G&M Society says he
    can't either and he has been cutting for nearly 50 years. Seems the
    sparks of light are quickly and constantly 'drowned' by the plethora
    of lub that is constantly thrown onto the blade and stone.  Anyone
    else out there prove this to be incorrect? 

    Water does quite well for saws below 9 inches but, if you must use a
    lubricant, I highly recommend Pella or Almag even though they are a
    bit expensive.  The are both water soluable so the stones can be
    easily and quickly washed clean (as can your clothes if you get any
    oil on them which I always seem wont to do!).  Also, while you should
    wear a face mask when sawing with any oil because of the fine mist
    caused as the blade throws it onto the surface of the stone, these
    two being water soluable, are less likely to damage your body.  Motor
    oil is not a good thing to ingest on the other hand. 

    I make it a habit that when finished with my trim saws, I drain them
    down and simply give each side of the blade a short spray of WD-40 or
    other inhibitor. That stops the rust. 


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