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

结合多年的践,分析了湿型砂水平造型线上铸钢件气孔的原,介绍了预防铸钢件气孔的措施。

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有测试方法,提出了机电一体化的型砂紧快速智能测试方法,并据此研制成功了便携式型砂紧快速智能测试仪。