The reason of gas-hole defects occured in steel casting for molding eroduction line was analyzed.

结合生产实践,分析了湿型砂水平造型生产线上铸钢件产生气孔原,介绍了预防铸钢件气孔措施。

The measuring method of sand compactability in laboratory is analyzed,and a fast measuring method is designed,and the intelligent instrument for fast measuring sand compactability are developed.

分析了铸造行业型砂紧实率现有法,提出了机电一体化型砂紧实率快速智能法,并据此研制成功了便携式型砂紧实率快速智能仪。