Re: [CAD_CAM_EDM_DRO] Re: Any "Best Practice" Recommendations for clearing chips and feed/speed when

I have been told that enough vibration could cause ignition, but I have to
admit, the scenario you present is more probable. Thanks for the info.

Bill

On Sun Dec 23 12:01:08 2001, capteod, <mfgguru@...> wrote:

>In your recent post I noted your claim that THERMITE was known for
>self ignition. This is WRONG. Thermite requires a ignition source
>in excess of 1400 degrees. When it starts burning it will generate
>temperatures of 6700 degrees F.
>
>The problem many people in the metal working industry have had is
>grinding swarf which contains both aluninum oxide and steel or
>ferrous oxides, that thas dried and were ignited by heat generated
>when maching without coolant.
>
>This is a major problem. We were aerospace parts manufacturers and
>have a lot of experience in this area. We have experimented to
>ignite thermite in our scrap area and we needed either an oxy-
>acetelyne torch, burning magnisium or an arc welding bachine. The
>military uses an ignition train of magnesium oxide mixed with a
>nitrocellulose binder in its THERMITE grenades. These are used for
>the destruction of metal parts in the case you want to destroy items.
>
>
>
>
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