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SAND CORE FOR MOLDING INTAKE PORT, METHOD FOR MANUFACTURING SAME, AND CYLINDER HEAD CASTING APPARATUS
SAND CORE FOR MOLDING INTAKE PORT, METHOD FOR MANUFACTURING SAME, AND CYLINDER HEAD CASTING APPARATUS
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机译:模制进料口的砂芯,制造砂芯的方法以及气缸盖铸造装置
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摘要
In this intake sand core (10), a tumble plate (22) is covered by an intake port formation part (12) and a skirt part (14). The lengthwise edges of a skirt part side-end part (26) of the tumble plate (22) are either coplanar to the end-part edge surface of the skirt part (14), or protrude from the end-part edge surface. The intake port formation part (12) of the intake sand core (10), together with an exhaust port formation part (76) of an exhaust sand core (62), is accommodated within a cylinder head cavity (60) of a casting apparatus (50). The skirt parts (14, 72) of the intake sand core (10) and the exhaust sand core (62), on the other hand, are each positioned on skirt stages (68b, 68a) of the cylinder head lower mold (52).
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