消失模铸造充型过程气隙压力的研究

赵恒义; 宝音; 王建民

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消失模铸造充型过程气隙压力的研究
Gas Gap Pressure During Mold Filling Process in Expendable Pattern Casting
2003年第4期页码：44-45
纸质出版日期： 2003 ，
DOI：

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[1]赵恒义,,,,,,,,,,宝音,,,,,,,,,,王建民.消失模铸造充型过程气隙压力的研究[J].特种铸造及有色合金,2003(04):44-45+69.

Zhao Hengyi. Gas Gap Pressure During Mold Filling Process in Expendable Pattern Casting[J]. Special Casting & Nonferrous Alloys, 2003,(4):44-45.
[1]赵恒义,,,,,,,,,,宝音,,,,,,,,,,王建民.消失模铸造充型过程气隙压力的研究[J].特种铸造及有色合金,2003(04):44-45+69. DOI：

Zhao Hengyi. Gas Gap Pressure During Mold Filling Process in Expendable Pattern Casting[J]. Special Casting & Nonferrous Alloys, 2003,(4):44-45. DOI：

摘要

设计了一种新的气隙压力测试方法

连续测试了浇注过程中的气隙压力。结果表明

随浇注时间增加

气隙中的压力逐渐增大

而气隙尺寸减小

金属充型速度减小

气隙压力受浇注温度、真空度和模样密度等多种因素影响

其中真空度影响最大。

Abstract

A new testing method was developed for continuous measurement of gas gap pressure during mold filling process. The results showed that the pressure in gas gap increased gradually while gas gap s ize and mold filling speed descended with the increase in the pouring time. Some factors

including pouring temperature

pattern density

vacuum degree in parti cular affected gas gap pressure.