The AVL Excite Designer software was used to establish the model of engine crankshaft in loader industry,and the minimum moment of inertia of the flywheel was obtained that could meet the requirements of rotational speed unevenness of the engine.Lightweight design of the flywheel system was conducted based on the minimum moment of inertia,and the software of Abaqus was used to analyze the reliability of the optimized model.Results show that the weight reduction of the flywheel system is 40.3%by multiple round iterations which indicates that this lightweight method has practical guidance signifi-cance for the weight reduction and cost reduction design of flywheel systems.
flywheelmoment of Inertialightweightrotational speed unevennessstructural reliability
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