【摘要】 采用三维刚塑性有限元法模拟了上机匣锻造时径向筋条的成形过程，得到了各主要变形场量的分布及金属流动规律，为合理地确定锻造工艺方案提供了依据。更多还原

【Abstract】 The forming process of the radial rib in the forging of upper case was simulated by three dimensional rigid plastic FEM The distribution of main parameters and flow pattern of metal deformation were obtained It is helpful for planning out the forging procedure更多还原