In this paper the construction and design knowledge of a disc spring type valve rotating mechanism are presented with the emphasis on the approximate calculations for the disc spring stress.
介绍了碟簧型气门旋转机构的结构设计要点，着重阐述了碟形弹簧应力的近似计算方法。
Via the mechanism research of the phenomenon of hydraulic shocks, the shock factors are found and designs of the rotating reversing valve and hydraulic system are finished.
通过液压冲击现象的机理研究，找到其影响因素，设计的旋转换向阀及液压系统。
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