Very abnormal of me to mention such quackery but I happened to be doing some machining in aluminum. I had some leftover squirts of ISO-32 hydraulic oil that I use on gears & specific sliding surfaces. More out of laziness & curiosity I brushed it on the drilling & tapping & it worked great. Kept experimenting doing some milling, again great. No chip sticking or buildup & amazingly much less smoke than my usual aluminum cutting fluids & WD40 which gives me unhealthy, consistent face tingle after a couple hours. I did some back to back experiments on the same operation switching fluids & even on some steel in the lathe which gets hotter & smokes more. I'm probably breathing cancer 5 years from now regardless of these fumes but lately I have been getting a bit perturbed at what the aluminum fluids seem to be doing to my tools & lathe parts. They definitely stain them during storage if I dont wipe them down & in some cases even maybe promoting corrosion. I thought this was related to a specific cutting fluid which had some magical ingredients which I'm just using up. But I'm saying when the cutting is done & swarf brushed away, I'm left with the same (hydraulic) oil I'm perfectly OK to have there anyways. Sounds crazy, anyone tried it?
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Supplies
No, but you can be sure I will the very first chance I get. I've never really been happy with aluminium cutting oils. Lotsa old hyd fluid here. Even some like Darren's with diesel oil in it.
Main problem is how seldom I get to work with Aluminium.
140mower
Don
......ya, but with all that oil kicking around........ You might just have to start if want to use it up before you are done......
......ya, but with all that oil kicking around........ You might just have to start if want to use it up before you are done......
Good point! I have reasonable aluminium stock but the damn stuff doesn't hold up too well to the abuse served up by an angry tractor so I avoid it.
140mower
Don
.......screw the tractors, damn things always seem to take a little break just when you need them most.... Aluminum is great for indicator holders etc, show the machine tools the love that the tractors don't return. Machine tools make us happy, tractors make us work.......
..... And to think that I thought you were old and wise.
And to think that I thought you were old and wise.
I actually needed that you goof!
Perfect timing too. I'm long overdue getting back to work on that ALUMINIUM lathe stop indicator holder!