A specially-designed addition agent is used instead of coal dust in greenmolding sand for the trial production of impact molding line made by GF company.
本文对于我厂在新铸造车间引进的GF气冲造型线上所用的型砂不添加煤粉。
2
Results show that the density of green parts under dynamic molding conditions is obviously higher than under steady molding conditions.
实验结果表明，各动态成型条件下的型坯密度明显大于稳态成型条件下的密度。
3
The growing thermal load of green sand, the quicker recirculation times and the increased requirements on the quality of molding material make new demands on the molding sand preparation.