[modeleng] Casting Questions
- From: "Charles & Dorothy Brumbelow" <cbrumbelow@xxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Fri, 6 May 2005 07:47:29 -0500
First -
All "the books" say one should not set up to melt and pour aluminum or other
high melting temperature metals on a concrete floor, because when (not if)
there is a spill the moisture within the concrete will turn to steam with
explosive force, sending shrapnel flying.
A sand working area is recommended.
What happens if the sand is damp and molten metal is spilled on it?
Second -
When the mold ready for pouring is being moved from the bench where it was
rammed up to the place where the metal will be poured, should it be carried
on and later set on top of a board to keep the rammed sand from falling out
or getting collapsed by irregularities in the sand floor? This would be a
board such as is used when the cope or drag is being flipped for pattern
removal.
Thanks, Charles
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