First Casting with Misrun in Wall
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Redesigned Wall with no Flaws
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The interior barrel section of the
transmission case was originally designed with a thickness of 160 mils.
--- The barrel has a length of 20 inches.
The first casting of the barrel with the
160 mil wall thickness had poor fill and misruns in several webs between slots in the
interior wall of the barrel
The wall thickness was increased to 240
mils, an increase of 50%. This promoted uniform flow and good fill.
New castings had no flaws or misruns in
the barrel wall.
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