DUMMY BAR AND CASTING METHOD USING THE SAME

DUMMY BAR AND CASTING METHOD USING THE SAME

In the present invention, proposed are a dummy bar capable of preventing twisting and a casting method using the same, wherein the dummy bar comprises: a head part formed to be inserted into an open mold; a body part disposed under the head part and extending in the longitudinal direction; a plurali...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: PARK MYUNG JOO
Format: Patent
Sprache:eng ; kor
Schlagworte:
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
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Beschreibung
Zusammenfassung:In the present invention, proposed are a dummy bar capable of preventing twisting and a casting method using the same, wherein the dummy bar comprises: a head part formed to be inserted into an open mold; a body part disposed under the head part and extending in the longitudinal direction; a plurality of connecting parts disposed between the head part and the body part, spaced apart from each other in the width direction, and rotatably connecting the head part and the body part; and a restraining part connecting the plurality of connecting parts in the width direction between the plurality of connecting parts so as to allow extension and contraction in the width direction. 본 발명은, 개방된 주형의 내부에 삽입될 수 있도록 형성되는 헤드부, 헤드부의 하측에 배치되며, 길이방향으로 연장되는 바디부, 헤드부와 바디부 사이에 배치되고, 폭방향으로 서로 이격되며, 각각이 헤드부와 바디부를 회전 가능하게 연결시키는 복수개의 연결부, 폭방향으로 신축 가능하도록 복수개의 연결부 사이에서 복수개의 연결부를 폭방향으로 연결시키는 구속부를 포함하는 더미 바와, 이를 이용한 주조 방법으로서, 비틀림을 방지할 수 있는 더미 바 및 이를 이용한 주조 방법이 제시된다.