英国 Cosworth Casting 公司已将低压砂型铸造工艺成功地用到了轿车发动机铝缸盖的大量生产中。同时用到这种生产中的还有低压金属型铸造工艺和金属型铸造工艺等。以铸造 Mercecles-Benz 190 E 型轿车发动机的铝缸盖而论,用低压砂型铸造工艺生产的铸件,质量为15 kg;螺栓孔直接成形,勿需机械加工;组织致密度高,单面面积孔隙度为0.01%～0.001%。用低压金属型铸造工艺和金属型铸造工艺生产的铸件,质量 British Cosworth Casting company has low pressure sand casting process has been successfully used in the car engine aluminum cylinder head mass production. Also used in this production there are low-pressure metal casting process and metal casting process. For cast aluminum cylinder heads on Mercels-Benz 190 E sedan engines, the castings produced by the low-pressure sand casting process have a mass of 15 kg; the bolt holes are formed directly without machining; the high density of the tissue and the single-sided pores The degree is from 0.01% to 0.001%. Castings made with low pressure metal type casting and metal type casting, quality