冷隔、裂纹是薄壳灰铸铁件常见缺陷。
Cold shuts and Cracks are the common defects found in thin-shell grey-iron castings.
叙述灰铸铁件裂隙状氮气孔的主要特征、形成机理。
The main features of the fissure type nitrogen blow hole and its formation mechanism was described.
进而对灰铸铁件材质技术要求的制订原则，提出建议。
Suggestion is proposed for the material quality of casting technical requirement working out principle,.
采用高速摄影法，对灰铸铁件消失模铸造充型形态进行了初步研究。
The filling morphology of gray cast iron melt in lost foam casting was observed by rapid photography method.
论文根据均衡凝固及大孔出流理论，用计算机辅助设计的方法改进了壳体灰铸铁件的铸造工艺。
In the paper, based on the Propotional Solidification Theory and Large Orifice Discharge Theory, the foundry technology of gray iron casting shell was designed by the method of CAD.
本文介绍了平板类灰铸铁件易产生的各类铸造缺陷及其在生产中常用的各种浇注系统，并分析了各类浇注系统的优缺点。
Some kinds of defects in plate castings of gray cast iron are discussed, and varies kinds of gating systems and their advantages or disadvantages are analysed in this articles.
本文介绍了平板类灰铸铁件易产生的各类铸造缺陷及其在生产中常用的各种浇注系统，并分析了各类浇注系统的优缺点。
Some kinds of defects in plate castings of gray cast iron are discussed, and varies kinds of gating systems and their advantages or disadvantages are analysed in this articles.
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