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Thread: Modified coolant/cutting fluid
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22nd April 2014, 06:52 AM #16.
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Penetrene is mainly diesel.
One MSDS gives the constituents as
Petroleum Distillates (diesel) >60%
Petroleum Base Oils <10 - 30%
Tetrachloroethylene (TCE) <5%
Penetrene is classified as a Hazardous Substance according to the criteria of NOHSC Australia, probably because TCE is old school dry cleaning fluid which is not so good for you
Penetrene should not be heated as long term exposure, even at low levels, to the vapors from the TCE is considered carcinogenic.
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22nd April 2014 06:52 AM # ADSGoogle Adsense Advertisement
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22nd April 2014, 03:43 PM #17SENIOR MEMBER
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Hahaha! I'm a fan of MrPete222 as well Rob! I made one of his oil pots last week. It's a new favorite tool of the week!
It's funny how the simple tools become important..
I could not bring myself to waste a can of food by drilling into it so I made one from some 25mm copper tube I had lying around and an used salsa sauce glass jar. Very easy and quick to make. I siliconed a soft base to it so it was a bit more stable when sitting on chips....metal chips that is not Doritos!
Yep....the Dad jokes are flying in thick now!
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22nd April 2014, 11:36 PM #18SENIOR MEMBER
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O.K. Good onya Ben, I wouldn't have wasted a tin of food either, but would probably just cut the top out to empty the tin and either resoldered the top in again or alternatively soldered in another top made from suitable donor material like a Milo tin lid or even some sheet metal cut to size and sanded smooth on the cut edge.
Did you decide to go with the water diluted cutting fluid in the end or are you using a petroleum based one. Water base much better for cooling, and possibly for penetrating too, and if used in the manner of the said Mr.Pete222 or the 2 Keiths, (Fenner and Rucker) would pose very little problem on Lathe or Milling machine in terms of rust, unless machine cleaning after job completion was left for long periods. The drill press I think would be even less of an issue IMO. I think that it could be more of an issue if you employed flood irrigation of coolant, because more of it would be thrown around by the chuck on the lathe and the tooling on the mill, and the swarf would be saturated with the stuff, unlike the situation where the coolant was brush applied with a small brush to the workpiece.
Rob
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23rd April 2014, 07:27 AM #19SENIOR MEMBER
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It's a fair point about the drill press not being too much of an issue with rust. I will mix up a batch with water and try it out.
It was a quick purchase many years ago from gasweld and I should have done my research. It was not worth $600 IMO. Among other issues the table is not true to the axis of the spindle. It really needed some way to nod the head or shim the table up.
I have not got around to fixing that yet!
With the oil pots, it's worth the effort and I will be making more. I did think about cutting the lid off and soldiering it back on but the Dorito jar was on hand and the quickest way at the time to do it. I had never knocked over an oil pot before I watched his video. The next week after I found it I managed to topple oil on the shop floor three times!
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23rd April 2014, 08:16 AM #20SENIOR MEMBER
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23rd April 2014, 10:38 AM #21.
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Acid brush is a brush to paint flux onto surfaces.
they are also often used as disposable glue brushed by artists and craft workers
eg
http://www.ebay.com/itm/20X-Disposab...item4615ece772
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