To decrease the strength of pipe shell mold,silica sol shell making was introduced by coating precoated sand in cavity,which could effectively improve the strength of shell mold,eliminating the problems in sand clean.
以降低管状型壳层强度为出发点,提出在内腔部位涂撒覆膜砂的硅溶胶熔模铸造制壳工艺,可以有效降低内腔型壳强度,从而解决内腔型壳清砂难的问题。
参考来源 - 覆膜砂在硅溶胶熔模铸造中的应用·2,447,543篇论文数据,部分数据来源于NoteExpress
The subject is about the design of Aluminum shell mold and process analysis.
本课题是对铝壳体进行模具设计并分析加工工艺。
Proper decrease in pouring temperature and increase in shell mold temperature are helpful to preventing hot tear.
为避免产生热裂应适当降低浇注温度,提高型壳温度。
In this paper, the loose mixture with aluminum phosphate colloid as binder and metallurgical magnesia as hardening agent for shell mold was studied.
研究了以磷酸铝为粘结剂、煅烧冶金镁砂为硬化剂的壳型松散料。
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