Tilting Gravity Casting Method for manufacturing Knuckle
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United States of America Patent
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Issued Date -
Oct 1, 2015
app pub date -
Mar 27, 2014
filing date -
Mar 27, 2014
priority date (Note) -
Abandoned
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Abstract
A tilting gravity casting apparatus, a die includes a ladle that stores a molten metal and the molten metal is poured through a pouring gate into a cavity of the die when the die is tilted. The cavity accommodates a cylindrical protrusion for forming a closed-end hole in a bearing support portion of a knuckle, and the cavity has a pressing boss portion located along an axial line of the cylindrical protrusion. Before a die tilt step of tilting the die is completed, a press step of pressing the molten metal in the pressing boss portion by using a pressing pin and a pouring gate block step of blocking the pouring gate with a block member are initiated.
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