In order to solve the defects such as veining,core shift,dispersed shrinkage,etc.,in sand casting process of differential carrier,lost pattern casting was employed to produce differential carrier.

• 为解决汽车差速器壳砂型铸造中存在的飞边毛刺多、偏芯、缩松等缺陷,采用了消失模铸造法生产差速器壳。