真空实型铸造属于第三代造型法,即利用真空物理手段使无粘结剂、无水分的铁丸或干砂紧实成型的方法(第一代是机器成型,第二代是化学成型)。这种方法是将真空密封造型、实型铸造、磁型铸造等先进铸造工艺进行综合而成的一种新的铸造方法。它利用了真空密封造型工艺中,用真空密封使铸型紧实的原理,去除了真空密封造型法中仍用木模造型的拔模、下芯、合箱等操作,吸收了实型铸造、磁型铸造工艺中用泡沫塑料气化模整体埋型,不用起模就可浇注的优点,克服了实型铸造法填充材料回收和打箱困难及造型麻烦等缺点;也克服了磁型铸造法受砂箱尺寸的限制,对大小不同的铸 Vacuum solid casting is the third generation of modeling method, that is, the use of vacuum physical means to make binderless, moisture-free iron pills or dry sand compacting method (the first generation of machine molding, the second generation of chemical molding) . This method is a new casting method that integrates the advanced casting process such as vacuum sealing, solid casting and magnetic casting. It utilizes vacuum sealing molding process, the principle of vacuum sealing to make the mold tight, remove the vacuum seal molding method is still using wood mold-shaped draft, the core, the box and other operations, to absorb the real casting, In the magnetic casting process, the foamed plastic gasification mold is embedded in the whole body and can be cast without using a mold, which overcomes the shortcomings of the recycling and packing problems of the filling material in the solid casting method, and also overcomes the disadvantages of the magnetic casting method Limited by the size of the flask, the size of the cast