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Old 03-05-2009 | 11:27 PM
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Default Shop safety tip

When you grind a bunch of aluminum (chainsaw case) on you disk sander, clear out the aluminum powder periodically. Once you have a big pile, then you grind some steel, you get a big fire! The sparks light off the aluminum powder. This happened to me a couple of days ago. Made burn marks on my bench and floor. It was a very significant white hot fire. Trying to scoot the burning pile off the bench with a handy stick made a big woosh. There was not serious threat of buring the house down but, it gave me quite a fright.

Intelectually I know all about aluminum powder and fireworks. I just did not engage my brain on this issue.

Keep it clean,

Old 03-05-2009 | 11:33 PM
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Default RE: Shop safety tip


ORIGINAL: Scota4570

When you grind a bunch of aluminum (chainsaw case) on you disk sander, clear out the aluminum powder periodically. Once you have a big pile, then you grind some steel, you get a big fire! The sparks light off the aluminum powder. This happened to me a couple of days ago. Made burn marks on my bench and floor. It was a very significant white hot fire. Trying to scoot the burning pile off the bench with a handy stick made a big woosh. There was not serious threat of buring the house down but, it gave me quite a fright.

Intelectually I know all about aluminum powder and fireworks. I just did not engage my brain on this issue.

Keep it clean,


Be REALLY careful if your grinding magnesium and steel. Although I doubt you are going to find magnesium on a chain saw. Good advice though, I never would have thought anything of it.

Bill
Old 03-06-2009 | 07:09 AM
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Default RE: Shop safety tip

Ohhhhh Thermite! Nasty![sm=biggrin.gif]
Old 03-06-2009 | 10:11 AM
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Default RE: Shop safety tip

The older orange case Sachs saw engines ARE magnesium. It makes such a pretty blue fire too[X(]
Old 03-06-2009 | 10:30 AM
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Default RE: Shop safety tip

The Stihl 4-strokes are magnesium as well. Thanks for the tip and let's be careful out there!

J
Old 03-07-2009 | 09:26 AM
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Default RE: Shop safety tip


ORIGINAL: jtisch

The Stihl 4-strokes are magnesium as well. Thanks for the tip and let's be careful out there!

J

My father, a WWII Vet, told me how amazed he was when an aircraft crashed, cought fire on landing and burned. He said the sparks flying off the magnesium wheels was like the Fourth of July.

Bill
Old 03-07-2009 | 09:41 AM
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Default RE: Shop safety tip

Yeah, be careful. Magnesium burns so hot it can't be put out with water, and watching the flame can damage your eyes. Don't let much of the grinding powder accumulate before cleaning it up.

AV8TOR

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