In the 40 failure frames,18 were incomplete,16 were anamorphic,2 frame s hole were contractive,1 had pit hole,2 frame s surface were coarse,and 1 was metal nubble.

• 结果380件铸件中失败40件,其中铸造不全18件,铸件变形16件,缩孔2件,砂眼1件,裂缝2件,金属瘤1件。