MOLD STRUCTURE

• Main Authors: IDA, MASAYA, HAMA, YOIGIRO, IMURA, MASATTAKA
• Format: Patent
• Language: English; Korean
• Published: 02.08.1999
• Edition: 6
• Subjects: ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES; BLASTING; CASTING; COMBUSTION ENGINES; CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; FOUNDRY MOULDING; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; WEAPONS

[목적] 각각의 둑에 용융금속을 균일하게 흐르게 한다. [구성] 용융금속은 탕구 캡(2)으로부터 세로탕도(6)를 통하여 우선 위쪽 가로탕도(3)로 들어가고, 그 말단부에서 벽에 충돌한 후 조용히 아래쪽 가로탕도(4)로 들어가, 양쪽으로 나뉘어 아래쪽 가로탕도(4)를 고르게 조용한 상태로 흐르고, 아래쪽 가로탕도(4)의 양쪽 또는 한쪽에 배치된 각각의 둑(5)에 균일하게 들어가 주형에 흘러 들어간다. [효과] 가스 결함을 유의적으로 저감시킨 주물을 제조할 수 있다. PURPOSE:To uniformly flow molten metal in each gate and to eliminate gas defect and inclusion by arranging a horizontal runner having two step structure at the upper and the lower parts in the runner in a casting structure providing a sprue, runner and gate for casting molten metal. CONSTITUTION:The horizontal runner has the two step structure of the upper horizontal runner 3 and the lower horizontal runner 4. At the time of pouring the molten metal having the desired components into the sprue cup 2 after adjusting to a prescribed temp., the molten metal is passed through a vertical runner 6 from the sprue cup 2 and firstly, flowed into the upper horizontal runner 3, and after colliding against a wall at the end part thereof, the molten metal is quietly flowed into the lower horizontal runner. Further, the molten metal is divided into both sides and flowed in the lower horizontal runner 4 in the quasistatic condition and uiformly flowed into each gate 5 arranged at both side or one side of the lower horizontal runner 4 and flowed into a mold. Then, the gas produced in the mold is discharged to the outside through a gas vent hole in the mold. Further, the inclusion is floated up to a riser, and as these results, the gas and the inclusion the casting can effectively be removed and the defective product is reduced.