On Measures to Prevent Porosity in Casting with Isolated Hot Spot Again

Lü Cunchang

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On Measures to Prevent Porosity in Casting with Isolated Hot Spot Again
Issue 6, Pages: 36-37(2002)
Published： 2002 ，
DOI：

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[1]吕存昌,,,,,,,,,,詹传刚.再谈有孤立热节铸件缩孔的解决措施[J].特种铸造及有色合金,2002(06):36-37+1.

Lü Cunchang. On Measures to Prevent Porosity in Casting with Isolated Hot Spot Again. [J]. Special Casting & Nonferrous Alloys (6):36-37(2002)
[1]吕存昌,,,,,,,,,,詹传刚.再谈有孤立热节铸件缩孔的解决措施[J].特种铸造及有色合金,2002(06):36-37+1. DOI：

Lü Cunchang. On Measures to Prevent Porosity in Casting with Isolated Hot Spot Again. [J]. Special Casting & Nonferrous Alloys (6):36-37(2002) DOI：

摘要

叙述了有孤立热节铸件缩孔缺陷的现场工艺改进措施

对其产生的原因进行了分析和探讨。提高型壳焙烧温度和浇注温度以及降低钢水在型壳中的温度降可以减少和避免缩孔缺陷的产生

Abstract

The improved measures of the present process to prevent porosity of the casting with isolated hot spot were described. And the formation of the defects was approached. Increase in calcined temperature for mold shell as well as pouring temperature and decrease in temperature of liquid steel in mold shell can reduce or prevent the shrinkage hole.