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MMD > Archives > November 2007 > 2007.11.18 > 09Prev  Next


Advice on Casting a Metal Part
By D. L. Bullock

Oddly enough, my new shop has a spin-casting setup in one corner.  This
is a system that allows you to make a mold, melt pewter, pot metal, or
lead, and pour it into the spinning mold.  This will give you any shape
you make a mold for.

I plan to produce Ampico escutcheons, metalnola parts, Ampico switches
and anything else that has a market.  Doing a mold runs about $100, and
you want to have from six to ten items made at a time, which means you
need that many when you make the mold.  The centrifugal force pushes
out air bubbles and voids, to fully fill the mold.

Does anyone have experience on what metals would work best in vulcan-
ized rubber molds?  I am not sure bronze is possible in this system.
They have used it with pewter and lead.  What is a good recipe for pot
metal?

We could even make the Ampico transmissions out of pot metal.  Hey, it
lasted eighty years the first time, didn't it?

Doug L. Bullock
www.pianoworld.us


(Message sent Sun 18 Nov 2007, 06:25:01 GMT, from time zone GMT-0600.)

Key Words in Subject:  Advice, Casting, Metal, Part

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