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The
interior features of the drive wheel are formed in the mold by two cores.
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The
ring-shaped solid core forms the interior features (rim, spokes and
cross bars) of the wheel
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A
tapered pin core forms the center bore of the hub.
The
two cores are set into the bottom half of the mold and the top half of
the mold is positioned to form the completed mold. The green
sand mold is now ready for metal casting.
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