将现有的差压铸造机改造成可真空充型倾转加压倒置的差压铸造机 ,它实质是集真空低压铸造、差压铸造、重力铸造的各种优点于一身的新铸造方法 ,它可使铸件的组织更加致密、减少打压渗漏、基本上消除铸件内的气孔及缩孔、大幅度提高材料的强度和韧性 The existing differential pressure casting machine can be transformed into a vacuum filling type tilting pressure inversion differential pressure casting machine which is essentially a new casting method which combines all the advantages of vacuum low pressure casting, differential pressure casting and gravity casting, It can make the structure of the casting more compact, reduce the pressure leakage, basically eliminate the pores and shrinkage in the casting, greatly improve the strength and toughness of the material