高锰钢筛板的消失模铸造

High Mn Steel Sieve Plate in Lost Foam Casting

采用消失模铸造方法生产高锰纲筛板，并将原材质ZGMn13改为ZGMn13-4后，使高锰钢筛板的寿命提高了3～4倍。采用消失模铸造的生产方法，产量得到很大的提高，成分完全达到国标G／T5680—1998要求，防止了热裂和冷裂缺陷，经水韧处理，筛板的品质优良。

The high Mn steel sieve plate was successfully manufactured by lost foam casting,whose compositions meet the requirements of the Chinese Standard G/T5680-1998.The service life of the sieve plate can be improved by three to four times due to the substitution of ZGMn13-Cr2 for ZGMn13.Meanwhile,the production rate is greatly increased and the hot crack and cold crack in the sieve plate is eliminated by means of lost foam cating.The sieve plate has the higher quality with water cooling treatment.