Full-mold casting is a technique similar to investment casting, but instead of wax as the expendable material, polystyrene foam is used as the pattern.
实型铸造是与熔模铸造类似的技术，但它用做型模的消耗材料是聚苯乙烯泡沫而不是石蜡。
However, the pattern cost can be high due to the expendable nature of the pattern.
然而由于型模的消耗特性，型模成本可能较高。
In this paper the gas gap in the expendable pattern casting process was studied and the relation between the gas gap and collapse defect is discussed.
对消失模铸造铸铁件流动前沿的气隙进行了研究，探讨了气隙与坍塌缺陷的相互关系。
Abstract: in this paper the gas gap in the expendable pattern casting process was studied and the relation between the gas gap and collapse defect is discussed.
文摘：对消失模铸造铸铁件流动前沿的气隙进行了研究，探讨了气隙与坍塌缺陷的相互关系。
The effects of the grain size and grain gradation of styrofoam particles as well as the expendable polystyrene(EPS)forming tools on the surface roughness of EPS patterns were studied in the paper.
研究了泡沫聚苯乙烯粒径、泡沫颗粒的粒度级配、成型发泡模具对EPS模表面粗糙度的影响。
The effects of the grain size and grain gradation of styrofoam particles as well as the expendable polystyrene(EPS)forming tools on the surface roughness of EPS patterns were studied in the paper.
研究了泡沫聚苯乙烯粒径、泡沫颗粒的粒度级配、成型发泡模具对EPS模表面粗糙度的影响。
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