Foundry sands and sand mixtures for casting - method of testing 鑄造用原砂及混合料試驗(yàn)方法
The ash turns from black to grey and is a silicate with similar characteristics as foundry sand 灰燼從黑色變灰色,并且是一種與鑄造用砂特征相似的硅酸鹽。
For foundry sand from a famous domestic area , the curve of thermal expansivity with the temperature was described 本文最后給出了利用本裝置測(cè)得的國(guó)內(nèi)某著名鑄造用原砂的熱膨脹溫度曲線。
Foundry sand adhesives serial bentonite is standard by jb t9227 1999 issued by national industry department . it was apply to settle the problem of high pressure model production line , sand mold collapse 鑄造型砂粘結(jié)合用膨潤(rùn)土產(chǎn)品標(biāo)準(zhǔn)參照機(jī)械工業(yè)部頒標(biāo)jb t9227 - 1999 .本系列產(chǎn)品適用于高壓造型生產(chǎn)線,砂型塌方等問題。
Abstract : a self - designed conensate treating system is used to treat thewaste gas from a foundry sand core according to an analysis of its emission features , an obvious treating effect is obrained , which reaches the national emission standard 文摘:通過對(duì)鑄造泥芯廢氣排放特性的分析,采用自行設(shè)計(jì)的冷凝水洗處理系統(tǒng),廢氣治理效果明顯,達(dá)到了國(guó)家排放標(biāo)準(zhǔn)。