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根据曲轴的热锻生产,以坯料质量、锻造温度和摩擦系数为工艺优化参数,探究四缸曲轴热锻工艺链的优化方法,优化目标包括热锻能耗、生产成本和锻造时间。为了与初始方案进行对比,设计了3个优化方案。基于Deform-3D进行有限元模拟,分析了三个工艺参数对曲轴的热锻工艺的影响,结果表明:优化坯料质量和摩擦系数能够降低锻件温度和成形载荷,减少模具磨损,降低锻造温度收到相反效果。最后,基于事件驱动的模拟,分析了9个参数对热锻能耗、生产成本和时间的影响,其中坯料尺寸对三个目标值的影响最大。
According to the hot forging production of the crankshaft, the optimal parameters of the four-cylinder crankshaft hot forging process chain are explored based on the quality of billet, the forging temperature and the friction coefficient. The optimization objectives include energy consumption, production cost and forging time of hot forging. In order to compare with the initial scheme, three optimization schemes are designed. The effects of three process parameters on the hot forging process of crankshafts were analyzed based on Deform-3D. The results showed that the optimization of the billet quality and friction coefficient can reduce the forging temperature and forming load, reduce the die wear and reduce the forging temperature. The opposite effect. Finally, based on event-driven simulation, the influence of nine parameters on the energy consumption, production cost and time of hot forging is analyzed. The influence of blank size on the three target values is the most significant.