曲轴动平衡活塞连杆组当量质量的计算

Calculation of the Eguivalent Ring Mass of Piston Connecting Rod Unit for Crankshaft Dynamical Equilibrium

阐述了发动机曲轴动平衡试验时在曲柄销上需加装当量质量的原因，并提出了在曲轴动平衡试验时当量质量的计算方法。为曲轴动平衡试验提供理论基础。

The reason why crankshaft must be equipped the equivalent ring at the crankpin when the dynamical equilibrium test is made is pointed out. The method to calculate the mass of the equivalent ring of some type engine is presented for providing the theoretical basis for the dynamical equilibrium test of crankshaft.