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本文介绍了活塞机械应力试验装置,并通过试验研究指出:球墨铸铁活塞机械应力的最大值,一类发生在上止点位置,另一类刚好气生在上止点后。当最大应力很高时,将影响零部件的可靠性。
This paper introduces the piston mechanical stress test device, and points out through experiments that the maximum mechanical stress of ductile iron pistons occurs at the top dead center position and the other one just after the top dead center. When the maximum stress is high, will affect the reliability of components.