This paper has analyzed the causes of foundry defects and proposed the ways to prevent foundry defects so as to improve the quality of castings.
就铸造缺陷的成因及如何采取措施防止铸造缺陷的产生，提高铸件质量作简单的分析。
Comprehend foundry technics, familiar with the casting defects in the form of easy to produce.
对铸造工艺有一定了解，熟悉铸件易产生的缺陷形式。
Foundry method, melting process, heat treatment process for nodular iron crankshaft was introduced and the measures to prevent common defects were described.
介绍了球墨铸铁曲轴的铸造方法、熔炼工艺和热处理工艺，同时描述了预防一般缺陷的措施。
The CAX technology has been applied to predict casting defects and optimize foundry techniques in the foundry shop.
进而利用该项技术对板锤铸件进行模拟及缺陷预测与铸造工艺优化设计。
This simulating technology could give powerful support for aiding the design of foundry technology, optimizing foundry process and analyzing the cast defects.
该技术在辅助铸造工艺设计，优化工艺方案以及缺陷分析等方面可以提供有力的支持。
The shrinkage cavity, depression, shrinkage porosity, scab and swell defects often took place with the heavy plate castings produced by adopting traditional foundry method.
厚实板类铸件按传统工艺生产，容易产生缩孔、缩凹、缩松、夹砂、胀包等铸造缺陷。
Based on calculated temperature distribution in the casting, the prediction of shrinkage defects can be achieved, which can be used as a tool to optimize the design of foundry technology.
基于温度场分析结果的铸件缩孔缩松预测可以优化铸造工艺设计。
The solidification process of a driving wheel hub cast with former foundry method was simulated to find out the reason causing shrinkage defects.
对驱动轮轮毂原铸造工艺进行凝固模拟，找出缺陷的成因，并对原工艺进行了改进，采用顶置随形压边浇冒口。
It is known that the heat crack is the most common casting defects in foundry production.
众所周知，在铸造生产中，热裂纹是一种极容易产生的铸造缺陷。
The bronze disease is related to the Potting corrosion at the defects of the bronze foundry. The phenomenon of the bronze disease can be explained by the theory of Potting corrosion.
青铜病的产生与青铜器铸件本身的缺陷所产生的小孔腐蚀有一定的关系，小孔腐蚀可以解释青铜病的腐蚀现象。
The bronze disease is related to the Potting corrosion at the defects of the bronze foundry. The phenomenon of the bronze disease can be explained by the theory of Potting corrosion.
青铜病的产生与青铜器铸件本身的缺陷所产生的小孔腐蚀有一定的关系，小孔腐蚀可以解释青铜病的腐蚀现象。
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