Download - O scale trains

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motor and the bottom of the spin-table I built. You could use
a mounting disc designed for a small disc sander and bolt
the spin-table to it. This way, one wouldn’t need to be custom
made. Sander discs are available at most large hardware
stores or tool supplies.
The photos show the various components and their
assembly. Photo 1 shows the assembled spin-caster and the
dimmer switch used to control the speed. Photo 2 shows
how I mounted and wired the motor. In Photo 3, all the
components for the spin-table are shown, disassembled.
56 • O Scale Trains - July/August ’07
Photos 4-7 show the order of assembly for the spin-table. An
example of the mold itself is shown in Photo 8. Note that the
cavities are arranged in a radial orientation, so the material is
forced into the cavities by the centrifugal force generated by
the motion of the spin-table.
Well that’s it! I think you can spin about any type of low
temperature material. I designed it for white metal, but I
recently loaned my machine to a friend. He used it to spin
an epoxy-type resin material. With that in mind, I guess you
can spin just about any material. All you need now are some
molds and casting material, and you’re on your way to making
unique homemade castings for that special project for
which commercial castings aren’t available. Casting materials
can be purchased from Micro-Mark [www.micromark.com]
or other sources.
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