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Option A -
Horizontal Orientation of Wax Patterns on Sprue |
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This
orientation has good part packing and volume efficiency. It also
promotes sound castings without flaws.
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Wax in the cavity can
melt and flow out of cavity through the gate easily because there are no trapping
zones below the gate. Trapped wax can cause porosity in the
casting.
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When the metal flows
into the cavity, the horizontal orientation will provide for smooth,
uniform flow into all sections of the cavity, minimizing turbulence and
splashing.
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