首页>
外国专利>
High vacuum die-casting method for front pillar of vehicle in which sealed space is vacuumized before cavity is vacuumizd
High vacuum die-casting method for front pillar of vehicle in which sealed space is vacuumized before cavity is vacuumizd
展开▼
机译:用于车辆前柱的高真空压铸方法,其中在对腔进行抽真空之前将密封空间抽真空
展开▼
页面导航
摘要
著录项
相似文献
摘要
The invention particularly relates to a high-vacuum die-casting method, the product is molten metal into a space in the cavity to be formed while the injection, it relates to the interior of the gas in the cavity to a high vacuum die casting method that can be effectively discharged. According to the vacuum die casting method according to the invention, before starting the evacuation of the gas in the cavity, starting the evacuation of the eject plate and the end portions of the ejection pins, the gas in the closed space formed by sealing the first space is arranged by that Since a large amount of gas in the sealed space put to discharge to the outside in advance, the possibility that gas is introduced into the cavity in the closed space is greatly reduced, and the burden of the vacuum tank for''ll cavity for vacuum suction of the gas in the cavity, and result, even if a vacuum tank of a relatively small capacity as a vacuum tank for the cavity, the gas in the cavity can be discharged efficiently.
展开▼