Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!usc!ucselx!crash!donb
From: donb@crash.cts.com (Donald Bowen)
Newsgroups: trial.rec.metalworking
Subject: Re: Lead Info Wanted.
Message-ID: <8413@crash.cts.com>
Date: 5 Apr 91 20:11:56 GMT
References: <103935@tut.cis.ohio-state.edu>
Organization: Crash TimeSharing, El Cajon, CA
Lines: 14


	You might want to look into lost was casting.  It is used in jewelry
casting and model making.  THe process starts by making a wax master then
covering the master with plaster.  the necessary sprues and vents are part
of the master.  The master is melted out of the plaster and hot lead 
poured in.  When the metal cools, the plaster is broken away.

	The time life books "creative famuly Workshop" had a good article
on lost wax.  The books are available in libraries.  Also look over the
jewelery section.  Lost wax is easy and you can have very detailed masters.
For home use, it is usually a one shot deal, 1 master = 1 finished.  There
are ways to make a master mold to generate many wax masters.

	DonB