Control of Density and Technological Parameters in Thin Wall Expanded Polystyrene Pattern Moulding

Yu Huan

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Control of Density and Technological Parameters in Thin Wall Expanded Polystyrene Pattern Moulding
Issue 1, (1996)
Published： 1996 ，
DOI：

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[1]余欢,张启勋.薄壁泡沫塑料模成型工艺与密度控制[J].特种铸造及有色合金,1996(01):20-22.

Yu Huan. Control of Density and Technological Parameters in Thin Wall Expanded Polystyrene Pattern Moulding. [J]. Special Casting & Nonferrous Alloys (1).(1996)
[1]余欢,张启勋.薄壁泡沫塑料模成型工艺与密度控制[J].特种铸造及有色合金,1996(01):20-22. DOI：

Yu Huan. Control of Density and Technological Parameters in Thin Wall Expanded Polystyrene Pattern Moulding. [J]. Special Casting & Nonferrous Alloys (1).(1996) DOI：

摘要

针对大型薄壁件消失模铸造的特点，对消失模的成型工艺进行了大量试验，结果表明成型工艺与模样密度相互制约，预发泡工艺可影响模样的密度，一定的模样密度又制约了其成型发泡工艺。对不同密度要求的模样，应采用不同的成型工艺。

Abstract

In this paper

a great deal of tests on the technological parameters in thin wall EPS pattern moulding have been carried out. Results showed that moulding technology and pattern density interacted. The prefoam process affected the pattern density which

in turn

restricted the moulding process.Therefore

different technological parameters should be adopted in accordance with pattern densties.

关键词

消失模薄壁铸件泡沫塑料成型模样密度

Keywords

Expanded Polystyrene PatternThin Wall CastingsMoulding（in foamplastics）Pattern Density

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Numerical Simulation of Lost Foam Casting Slip Body Castings