The improved measures of the present process to prevent porosity of the casting with isolated hot spot were described. And the formation of the defects was approached. Increase in calcined temperature for mold shell as well as pouring temperature and decrease in temperature of liquid steel in mold shell can reduce or prevent the shrinkage hole.
关键词
精密铸件热节缩孔浇注温度
Keywords
Investment CastingHot SpotShrinkage HolePouring Temperature