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  #16 (permalink)  
Old 05-05-2009, 08:40 AM
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ATF need changing? Save your old ATF. It works well on aluminum and many other things and it's not as nasty as used motor oil....and cheap.

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Old 05-08-2009, 07:22 AM
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I have used Alumi-Tap for over 30 years, buy it in gallon cans. Been using it since I was a machinist in the early 70s. Started using it much more when I was machining VW parts in the late 70s to early 80s. I don't think you can get any better.
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Old 05-08-2009, 04:56 PM
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Dumb Question BUT , How often do you need to apply this stuff weather it's alima-tap or motor oil ATF or WD-40
Am I going to know when before it loads up and ruins another bit ?
OH is there any way to cleanout a loaded up bit that was used without anything on it ??????
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Old 05-08-2009, 05:14 PM
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Scrape it clean with a pick or a small screwdriver. Sometimes a good heavy cut(if it is a cross-cut burr) on a piece of scrap cast iron will help also after you pick the majority out. You will have to apply lube frequently, especially if it is a liquid.

The correct burr style for aluminum will cut much faster and plug up less.
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Old 05-08-2009, 05:49 PM
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That aluminum picks out of the flutes of a clogged but really easily. I use a utility knife blade. When grinding you need to keep the wax close by, touch the bit every 20 seconds or so. Carbide burrs last forever. I used one for at least 15 years on everything from wood ,to steel to stainless, to cast iron, to steel, to welds, to you name it. Finally broke the silver solder joint and the head flew off the shaft but the cutter was still as sharp as new.

Toilet seat was is predominantly bees wax with some sort of liquefier added. If it were raw bees was it would be perfect since it is harder at room temperature. Toilet seat wax is sot of messy bout would work great otherwise. You can get little chunks of bees wax at the hardware store sold to rub on screw threads to lube them into wood.
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Old 05-08-2009, 06:21 PM
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Quote:
Originally Posted by 57halfton
Dumb Question BUT , How often do you need to apply this stuff weather it's alima-tap or motor oil ATF or WD-40
Am I going to know when before it loads up and ruins another bit ?
OH is there any way to cleanout a loaded up bit that was used without anything on it ??????
I can usually tell when it's time for a bit of lube, the grinder will cut slower, the burr will vibrate a little (because the clog of Al will be jumping off the part instead of cutting)

After a while you will just know when to dip your burr, too many times stopping to lube is faster than unclogging flutes, especially on double cut burrs.

Later, mikey
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Old 05-08-2009, 06:26 PM
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wd-40

I have found that WD-40 makes less of a mess then the wax.


I use the spray bottle that you can re-fill, not the aerosol cans.


Keith
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