This Paper analyzes and calculates fatigue of the total and the single-throw crankshaft through finite element about the diesel engine medium-height speed.

本文主要是利用有限元法对某型中高速柴油机的整体曲轴和单拐曲轴分别进行强度计算分析。

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Meanwhile analyze affection to stress from different structure and size. This take advantage that it is convenient to calculate with single-throw crankshaft and have a little work of calculation.

同时利用单拐曲轴的计算方便，计算量小的特征，分析了曲轴的结构尺寸变化对应力的影响。

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