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Cutting Fluid/Coolant For Lathe #5104058 05/13/19 09:20 AM
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nightshift20192 Offline OP
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I have been using a Rustlick water soluble cutting fluid for cutting operations on a small lathe. I've been thinking about going to a non-water cutting oil instead. The issues are rust and tool life. Part of the problem may be that the lathe gets used infrequently. Does anyone have any thoughts or recommendations? Thanks in advance.

Re: Cutting Fluid/Coolant For Lathe [Re: nightshift20192] #5104076 05/13/19 09:36 AM
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WyrTwister Offline
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Try to find a machinist list to ask . Also , look on youtube .

I am not a machinest , but enjoy watching that type of bideos .

Did not realize how long water based coolants have been used . Watched a video this weekend . A company in Canada , during WW! , making 8" howitzer projectiles .

They were using water based flood coolant .


Wyr
God bless
Re: Cutting Fluid/Coolant For Lathe [Re: nightshift20192] #5104083 05/13/19 09:46 AM
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ragtoplvr Offline
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for my hobby lathe I use Tap Magic thick, a very thin coat applied over surface before each cut. If you make a big mess you used too much.

Or I use blast of compressed air, I have a tube rigged up, it cools well.

Rod

Re: Cutting Fluid/Coolant For Lathe [Re: nightshift20192] #5104382 05/13/19 03:38 PM
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Kestas Offline
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If used infrequently, don't use water-based coolant. For all the places I've used a lathe, mill, or band saw, we used it dry.

Re: Cutting Fluid/Coolant For Lathe [Re: nightshift20192] #5105456 05/14/19 07:18 PM
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nightshift20192 Offline OP
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Thank-you all for your input. It is very much appreciated!

Re: Cutting Fluid/Coolant For Lathe [Re: nightshift20192] #5105480 05/14/19 08:13 PM
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Imp4 Offline
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This is a great question to ask at Practicalmachinist.com

Re: Cutting Fluid/Coolant For Lathe [Re: nightshift20192] #5134395 06/14/19 08:24 PM
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Merek Offline
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I'm a machinist, my dad has a machine shop and right now it seems like I've mostly been keeping the cnc lathe going. We order a coolant that comes in 5 gallon buckets from MSC called Astro-Cut, we've used the A & B but there are a lot of different ones, all of them you mix with water. We did have a 55 gallon drum from another shop that closed up that was a cutting oil that you mixed with water but the problem was that the water either evaporated out or burned off leaving the really thick oil behind. We also use tap magic for other applications and it works very well.

Sounds like you will be using this infrequently and I'm sure you would be fine with using a cutting oil.

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