Application of SKP-27 Rapidly Dried Sol Silicate in the Investment Casting

Luo Qiong1  Wang Guoshun1  Song Jianwei2  Xu Zhongli2

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Application of SKP-27 Rapidly Dried Sol Silicate in the Investment Casting
Issue 3, Pages: 179-181(2005)
Published： 2005 ，
DOI：

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[1]罗琼,王国顺,宋建伟,徐忠礼.SKP-27型快干硅溶胶在精密铸造中的应用[J].特种铸造及有色合金,2005(03):179-181+127-128.

Luo Qiong1 Wang Guoshun1 Song Jianwei2 Xu Zhongli2. Application of SKP-27 Rapidly Dried Sol Silicate in the Investment Casting. [J]. Special Casting & Nonferrous Alloys (3):179-181(2005)
[1]罗琼,王国顺,宋建伟,徐忠礼.SKP-27型快干硅溶胶在精密铸造中的应用[J].特种铸造及有色合金,2005(03):179-181+127-128. DOI：

Luo Qiong1 Wang Guoshun1 Song Jianwei2 Xu Zhongli2. Application of SKP-27 Rapidly Dried Sol Silicate in the Investment Casting. [J]. Special Casting & Nonferrous Alloys (3):179-181(2005) DOI：

摘要

快干硅溶胶与普通硅溶胶比较

具有制壳周期短、型壳常温强度高、残留强度低的优点。经精密铸造企业大批量生产考核证明

用SKP 2 7型快干硅溶胶代替普通硅溶胶

型壳清砂容易

铸件尺寸符合公差要求

铸件成本略有下降。批生产证明

在干燥间风速、湿度控制合理时

型壳干燥时间可缩短 5 0 %以上。

Abstract

Compared with conventional sol silicate

the rapidly dried sol silicate possesses the advantages of short shell-making period and high ambient strength as well as low residual strength.Large scale production from investment plants showed that shell mold is easily sand-cleaned and the casting demension meets the requirement of allowance

and the cost is slightly reduced using SKP-27 sol silicate instead of conventional sol silicate.Moreover

the dried time can be shortened up over 50% with proper wind speed and humidity in the dry workshop.