In this paper, analysis to castingflaw in centrifugal of cylinder is given, also concrete measures for prevention of it.
对气缸套离心铸造常出现的缺陷进行了分析，并提出了防止缺陷的具体措施。
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Effects of process conditions such as different curing temperature, curing time, starting reaction temperature and castingflaw on polyurethane elastomers mechanical properties are investigated.
Inferring from the flaw detection of X-ray, the sword possibly first forged the body by block casting iron, then cast the bronze handle, at last cast together to shape the sword.