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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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low-temp melt castings basics
Hi,
I'm new to this group, but looked through over 20,000 headers and FAQ's for info before posting this (sorry if it's an oldie that was worn out long ago). I'm looking to make some simple one-sided castings from tin, pewter, zinc, or other easy metal. I've tried sand casting (distorted when I poured in the metal) and carving a wood mold (moisture boiled out and created air pockets). I got recommendation to try "investment casting" with "Satin Cast" and I've also heard of carving soapstone. Anyone willing to save me some of my next few obvious mistakes? If I go for soapstone, where can I get a small piece cheap? will the Satin Cast work well (I ordered some)? Any other suggestions? I've sen rubber mold products, but would expect it to melt when exposed to molten metal. Sorry to be so vague, but I'm just starting to figure this out--any help would be appreciated. Thanks, Keith |
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