精密铸件大平面上内浇道设置方法的改进

孙延明

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精密铸件大平面上内浇道设置方法的改进
Improvement of Ingate Design for Large Plain Parts in Investment Castings
2006年第2期页码：110-63
纸质出版日期： 2006 ，
DOI：

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[1]孙延明.精密铸件大平面上内浇道设置方法的改进[J].特种铸造及有色合金,2006(02):110+63.

Sun Yanming. Improvement of Ingate Design for Large Plain Parts in Investment Castings[J]. Special Casting & Nonferrous Alloys, 2006,(2):110-63.
[1]孙延明.精密铸件大平面上内浇道设置方法的改进[J].特种铸造及有色合金,2006(02):110+63. DOI：

Sun Yanming. Improvement of Ingate Design for Large Plain Parts in Investment Castings[J]. Special Casting & Nonferrous Alloys, 2006,(2):110-63. DOI：

摘要

大平面铸件常在内浇道根部出现过热

在该处产生缩松缺陷。为增大模头与铸件的距离

常用垫蜡块的方法。经生产实践

如蜡块垫在模头上

铸件缩松继续产生;将蜡块改为垫在铸件上之后

缩松消除了。

Abstract

There easily exists shrinkage porosity due to superheat of ingate root in large plain parts investment casting.To argue the distance between mold end and castings

the wax pattern block was set.Actual production shows that if the wax pattern is set on wax mold end

the shrinkage is not eliminated

while in turn

wax pattern block is set on the castings

the shrinkage is eliminated.