| 水玻璃砂铸造应注意的几个问题 |
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| 引用本文： | 冯胜山.水玻璃砂铸造应注意的几个问题[J].铸造设备研究,2008(6). |
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| 作者姓名： | 冯胜山 |
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| 作者单位： | 湖北工业大学机电研究设计院,湖北武汉430070 |
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| 摘 要： | 简要介绍了水玻璃砂常用硬化方法的种类及特点,详细讨论了消除水玻璃"老化"的措施,防止CO2吹气硬化水玻璃砂型(芯)表面粉化的方法,提高水玻璃砂型(芯)抗吸湿性的途径,水玻璃砂复合工艺的利弊,水玻璃砂工艺生产铸铁件时容易产生粘砂的原因,水玻璃砂成为无废砂排放的环保型型砂的可行性,以及水玻璃砂各种再生方法的特点.
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| 关 键 词： | 水玻璃砂 老化 表面粉化 吸湿 粘砂 再生 |
Several Problems in Sodium Silicate Sand Cast |
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| FENG Sheng-shan.Several Problems in Sodium Silicate Sand Cast[J].Research Studies On Foundry Equipment,2008(6). |
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| Authors: | FENG Sheng-shan |
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| Affiliation: | FENG Sheng-shan (Research & Design Institute of Mechanical & Electronic Engineering,Hubei University of Technology,Wuhan Hubei 430070 China) |
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| Abstract: | The kinds and characteristics of common sodium silicate sand hardening process is briefly introduced. The following topics were discussed in detail:measures to eliminate the ageing of sodium silicate,methods to prevent surface chalking of mold and core hardened by blowing CO2,approach to prevent absorption moisture of mold and core, pluses and minuses of sodium silicate sand composite technique, reasons to cause sand penetration on iron casting,the feasibility of sodium silicate sand becoming green mould sa... |
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| Keywords: | sodium silicate sand ageing surface chalking moisture absorption sand penetration sand regeneration |
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