Mold apparatus for casting cylinder block
AssigneeAichi Machine Industry Co., Ltd.
InventorYoshinori NISHIKAWA
Life of this patent
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Abstract
A mold apparatus for casting a cylinder block having a cast-in cylinder liner by installing the cylinder liner inside a cavity and pouring a melt into the cavity, the mold apparatus includes a first mold and a bore pin. The first mold defines a deck surface of the cylinder block. The bore pin is in the first mold so as to hold the cylinder liner inside the cavity when the mold is closed. The bore pin is configured to hold the cylinder liner interposed by a gap, and the gap is arranged so as to enable gas produced during the cast-molding to be discharged therethrough.
Claims20
A mold apparatus for casting a cylinder block having a cast-in cylinder liner by installing the cylinder liner inside a cavity and pouring a melt into the cavity, the mold apparatus comprising:
- a first mold configured to define a deck surface of the cylinder block;
- and
- a bore pin disposed in the first mold so as to hold the cylinder liner inside the cavity when the mold is closed,
- the bore pin being configured to hold the cylinder liner interposed by a gap, and
- the gap being arranged so as to enable gas produced during the cast-molding to be discharged therethrough.
A method for casting a cylinder block having a cast-in cylinder liner formed by closing a mold apparatus having a cavity for forming a shape of the cylinder block and a bore pin for holding the cylinder liner, the method comprising:
- closing the mold such that the cylinder liner is held by the bore pin interposed by a gap so as to form the cast-in cylinder liner;
- pouring the melt into the cavity;
- and
- cast-molding the cylinder block while discharging, via the gap, gas produced during pouring in of the melt.
Dependencies are inferred from the claim text.