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Thread: Vegetable oil as a cutting oil for machining?

  1. #11
    Fudo+1949's Avatar
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    Some of the best finishes I have seem and produced were with a small brush and Crisco.

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  2. #12

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    not a good idea

    Quote Originally Posted by bobs409 View Post
    Thanks for the suggestions. Mainly looking for something that doesn't produce all that smoke.
    you will find the oil will go off and start smelling in time so not a good idea

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  3. #13
    Supporting Member C-Bag's Avatar
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    I'm with you bobs409, that smoke is not good for the old lungs. I keep the garage door open when doing any kind of machining. Also have a small fan moving the air across the work.

    I also read about lard. My new wonder lube is Fluidfilm. Got turned on to it by a guy who did machine reconditioning most of his life. It's lanolin based and non toxic. Not tried for machining yet but everything else I've tried it on has been amazing.

  4. #14
    Supporting Member smithdoor's Avatar
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    There is one draw back to some types of cutting oil is it give you cancer
    FYI I found out this the hard way

    Today dry machining and only use oil for threading

    Dave

  5. #15
    Supporting Member bobs409's Avatar
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    Well after trying the vegetable oil for a few days, I'm done. lol It does have a smell that I didn't notice the first day. I watched a video the other day and the guy was using bees wax but he was machining stainless steel. Wonder how that would work with regular steel? Might try the Crisco yet too.

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    Quote Originally Posted by fandres View Post
    I use chainsaw bar oil most of the time and it works well and is a lot cheaper than cutting oil $10 for a litre of bar oil compare to $50 for 500ml cutting oil.
    Where did you find that price $50, I bought 20Lt for that.?
    I agree chain saw bar oil is good for a lot of operations though I am sure some will disagree.

  7. #17
    Supporting Member smithdoor's Avatar
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    This is from Home Depot just under 1 liter for $9.00
    32 oz. Dark Cutting Oil-30204 - The Home Depot

    Dave

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    I hear the best lubricating-cooling (cheap) option is pork fat (pork butter? in spanish: MANTECA DE CERDO)

  9. #19
    Supporting Member Hans Pearson's Avatar
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    I agree on the Lard oil, applied lightly with a brush from its buttery stage, it works well and is what is recommended in all the older machining books I have. You can mix in a small amount of turpentine to keep it from 'going off' and I keep my tub in the freezer when not in use.

  10. #20
    Supporting Member Frank S's Avatar
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    I have never used any of the animal fats or vegetable oils for coolant and lubrication in machining, mainly because for the past 35 to 45 years I have always kept Chevron soluble oil B or another brand on hand But mostly the Chevron product. The mix ratios can vary from 15 to 1 to 50 to 1 depending on application. When I had several machines running more or less constantly I bought it by the 55 gal drum Now I only keep a 5 gal pail on hand I've had the same pail for over 3 years, @ $70.00 to 80.00 per pail it is the cheapest solvent or lube I've found Since currently none of my machines have flood or spray units working on them I just mix up a 2 ltr. drink bottle with a small hole in the cap
    Never try to tell me it can't be done
    When I have to paint I use KBS products

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