I have a digital kiln that uses preprogrammed burnouts. They include 5 hour, 8 hour, and 12 hour burnouts. The hold temperature at the end of each burnout is 900 degrees F.
I can also program my own burnouts.
What do you think of 900 degrees F as a hold temperature for the preprogrammed burnouts? For most of your flasks, what casting temperature do you use?
Thanks,
Allen Steen
Room temp...
But that's a sand mold. :^)
Last one I did was with no control, just an even dark red heat inside. The aluminum came out fine, although the center was still pretty warm (having sat for 15 minutes as the metal melted, cooling the outside), causing a shrink defect.
Tim
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