Design of Rational Pouring Scheme to Ensure Mold Filling and Feeding-One of Series Courses of Speech on Scheme Design for Cast Steel in Investment Casting

Xu Yunxiang

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Design of Rational Pouring Scheme to Ensure Mold Filling and Feeding-One of Series Courses of Speech on Scheme Design for Cast Steel in Investment Casting
Issue 4, Pages: 50-54(2003)
Published： 2003 ，
DOI：

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[1]许云祥.设计合理的浇注方案以保证充填和补缩——熔模铸件铸造方案设计系列讲座之一[J].特种铸造及有色合金,2003(04):50-54+70.

Xu Yunxiang. Design of Rational Pouring Scheme to Ensure Mold Filling and Feeding-One of Series Courses of Speech on Scheme Design for Cast Steel in Investment Casting. [J]. Special Casting & Nonferrous Alloys (4):50-54(2003)
[1]许云祥.设计合理的浇注方案以保证充填和补缩——熔模铸件铸造方案设计系列讲座之一[J].特种铸造及有色合金,2003(04):50-54+70. DOI：

Xu Yunxiang. Design of Rational Pouring Scheme to Ensure Mold Filling and Feeding-One of Series Courses of Speech on Scheme Design for Cast Steel in Investment Casting. [J]. Special Casting & Nonferrous Alloys (4):50-54(2003) DOI：

摘要

合理的浇注速度和静压头、型壳透气性、浇注时的金属液温度和型壳温度、避免浇注时型壳憋气、避免浇注中途停顿以及保证充填平稳等是保证充填的重要影响因素。避免铸件出现缩孔（松）的措施有缩孔转移和缩孔分散两种措施

应根据不同铸件结构合理应用

Abstract

The important factors to ensure mold filling involved f ollowing events: rational pouring velocity and static head

permeability of mold shell

melt and mold shell temperatures during pouring

avoidence of gas releas e obstruction from mold shell during pouring

and of discontinuous pouring

quara ntee of steady filling. Shri nkage hole transfer and dispersion were two effective methods to avoid shrinkage hole（porosity） in casting. According to different casting structure

either met hod can be selected.

关键词

浇注方案合金充填铸件补缩熔模铸造

Keywords

Pouring SchemeAlloy FillingCasting FeedingInvestment Ca sting

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