[modeleng] Re: Casting Questions
- From: "JESSE LIVINGSTON" <fernj1@xxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sat, 7 May 2005 06:26:23 -0500
When I worked at the alumimium rolling mill in Jackson, TN back in the
1960s, one of the melting furnaces filled with 20,000 pounds of aluminum
developed a leak one night. The metal was being held overnight (over the
weekend actually) and none of the casting machine operators were present.
Several of us machinists were sent over to see what we could do while they
tried to cool the metal in the furnace and when we got there there was a
huge layer of aluminium spread out on the concrete and more trickling out.
Floor was popping, but not as bad as you would think, and none of us got
burnt while we used a wet putty like material (probably asbestos based, this
was in the pre-EPA days) to build a low dam to contain the metal. To cool
the furnace, they turned off the gas fire and pushed large ingots (sows)
into the furnace.
Jesse in Tennessee USA
I have had first hand experience with exploding concrete floors. As one of
> three apprentice's in the late 1960's we were melting down old aluminium
> pistons and pouring the molten metal into old bread baking tins to form
> ingots. After a few pours the bottom fell out of one of the tins spilling
> molten metal on to the floor.
> The resulting smoke plume caused confusion and we ended up tipping more on
> to the floor. We scattered as the floor started to pop sending molten
> aluminium up to 20 feet away. Funny now wasn't funny then.
>
> Lee
> ----- Original Message -----
> From: "Doug Edwards" <stueart@xxxxxxxxx>
> To: <modeleng@xxxxxxxxxxxxx>
> Sent: Saturday, May 07, 2005 1:32 AM
> Subject: [modeleng] Re: Casting Questions
>
>
> > Charles,
> >
> > I pour bronze on occasion at 1950f, and started doing so on concrete. I
> > later read
> > this was not recommended, but I have never had the concrete pop. The
> > conditions
> > I was in was on old concrete in the middle of summer in a dry climate,
>
>
>
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