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灰铁工艺

改善砂型透气性方法

作者:penggueifei时间:2019-09-12

改善砂型透气性方法:

1:尽量减少型砂中粉尘含量;
2:合理扎置排气孔:
3:合理设置排气通道;
4:在型砂中加入透气性好的物质,
5:保持浇注过程型腔为开放状态

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