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Option
A -- 1/2 ring gating into the heavier section
with arrows sowing metal flow.
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In Option A the gate into
the cavity is positioned at the heavier section of the elbow through
a 1/2 ring feature which flows metal into the end lip of the elbow.
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The
metal feed into the heavier section provides a straight flow
of metal into the full length of the elbow, minimizing turbulence,
directional changes, and porosity caused by pressure drops.
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Feeding
into the end lip puts the trimming operation on an inconspicuous
section of the elbow and prevents trim marks on the main
body. This produces a clean and smooth surface finish on the
main body without blemishes.
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