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公开(公告)号：US11154927B2
公开(公告)日：2021-10-26
申请号：US16708046
申请日：2019-12-09
发明人： Hyo-Moon Joo , Ji-Yong Lee , Cheol-Ung Lee , Mun-Gu Kang , Min-Soo Kim , Yoon-Ki Lee
摘要： A composite casting system for manufacturing a heterogeneous material casting product may include a fixed mold; a movable mold for opening or closing one side of the fixed mold; a slide core pin provided inside the fixed mold or the movable mold, and capable of being protruded to a cavity side, which is formed by a combination of the fixed mold and the movable mold, from the inside of the fixed mold or the movable mold; a high-pressure casting device for injecting high-pressure casting molten metal into the cavity; and a gravity casting device for injecting gravity casting molten metal through a gravity casting hole formed on the fixed mold or the movable mold.
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公开(公告)号：US11241732B2
公开(公告)日：2022-02-08
申请号：US16696630
申请日：2019-11-26
发明人： Yoon-Ki Lee , Hyung-Sop Yoon , Cheol-Ung Lee , Jae-Gi Sim , Jun Bak , Sang-Muk Park , Sung-Chun Jang , Jin-Hee Lee , Young-Han No , Young-Jae Do
摘要： A method of casting a casting product having tubular flow passages includes: attaching a cast-in pipe insert, having outer and inner fixing members to which both ends of pipes are coupled, respectively, to a fixed mold; assembling a movable mold with the fixed mold; injecting a molten metal into a cavity defined inside the fixed and movable molds; ejecting a casting product from the assembled molds after injecting the molten metal; and removing the outer and inner fixing members from the casting product.
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公开(公告)号：US11219944B2
公开(公告)日：2022-01-11
申请号：US16841071
申请日：2020-04-06
发明人： Cheol-Ung Lee , Yoon-Ki Lee , Jin-Yong Kim , Jae-Young An , Woo-Seok Jang
摘要： A casting method for forming a fastening part on an inclined plane of a casting may include mounting a plug unit including a casting plug and a screw thread insert combined with the casting plug on a movable mold or a fixed mold; performing casting by moving and combining the movable mold with the fixed mold and injecting a molten metal into a cavity formed between the movable mold and the fixed mold; performing mold opening after the casting; and separating the casting plug from the screw thread insert, wherein when the plug unit is mounted on the mold, the screw thread insert is deployed in the cavity, and a mold plane on which the casting plug is mounted forms an inclined plane having an acute angle against a horizontal plane that is parallel to a movement direction of the movable mold.
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公开(公告)号：US20210213516A1
公开(公告)日：2021-07-15
申请号：US16841071
申请日：2020-04-06
发明人： Cheol-Ung Lee , Yoon-Ki Lee , Jin-Yong Kim , Jae-Young An , Woo-Seok Jang
摘要： A casting method for forming a fastening part on an inclined plane of a casting may include mounting a plug unit including a casting plug and a screw thread insert combined with the casting plug on a movable mold or a fixed mold; performing casting by moving and combining the movable mold with the fixed mold and injecting a molten metal into a cavity formed between the movable mold and the fixed mold; performing mold opening after the casting; and separating the casting plug from the screw thread insert, wherein when the plug unit is mounted on the mold, the screw thread insert is deployed in the cavity, and a mold plane on which the casting plug is mounted forms an inclined plane having an acute angle against a horizontal plane that is parallel to a movement direction of the movable mold.
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公开(公告)号：US10682690B2
公开(公告)日：2020-06-16
申请号：US16205823
申请日：2018-11-30
发明人： Hyo-Moon Joo , Ji-Yong Lee , Yoon-Ki Lee , Young-Chan Kim , Cheol-Ung Lee , Jun-Min Lee , Mun-Gu Kang , Young-Rae Cho , Min-Soo Kim , Jae-Gi Sim
摘要： A centrifugal casting apparatus for different materials may include a mold having a shape corresponding to a shape of an outer surface of a casting to be produced, and having a cavity receiving molten metals therein, a molten metal guide inserted into the mold and configured to guide the molten metals so that the molten metals are separately injected into the mold, a guide fixing support fixing the molten metal guide to a predetermined position, and a motor configured to rotate the mold around a rotation axis.
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