I did have a theory it was potmetal.  Wasn't as bright and metallic as 
aluminum.

Danny


On 9/25/2016 1:58 PM, Jon Elson wrote:
> On 09/25/2016 01:11 PM, Danny Miller wrote:
>> Some of our folks built a metal kiln and we tried to melt some aluminum
>> swarf the neighboring metalshop discarded, at least what we thought was
>> aluminum (no confirmation, but it wasn't steel). We got almost no metal,
>> just inches of dross.  No inert gas or flux there, in fact the metal was
>> exposed to combustion gases.
>>
>>
> It may have been "pot metal", which is what carburetors and
> such parts used to be made of.  Mostly zinc.
>
> Some guys here have various melting furnaces, and general
> chunks of aluminum melt well.  You do get some dross, but
> not INCHES of it, for sure.  One guy has an old ladle
> furnace, which looks like a stainless wok with 3 gas burners
> below it.  So, you light the burners, and then toss various
> chunks of aluminum castings (pistons, sawed-up transmission
> casings, etc.) in the bowl, and they slowly disappear.  When
> all melted, you skim the dross and ladle out the aluminum
> into your molds.  Even with the pool of molten aluminum
> exposed to the air, you don't get much dross.
>
> Jon
>
> ------------------------------------------------------------------------------
> _______________________________________________
> Emc-users mailing list
> Emc-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/emc-users
>


------------------------------------------------------------------------------
_______________________________________________
Emc-users mailing list
Emc-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/emc-users

Reply via email to