Forming force during backwardextrusion of hollow billet was analyzed by slab method and numerical simulation.
采用主应力法与数值模拟相结合的方法,研究分析空心坯料反挤压成形力变化规律。
2
Metal flow is a very inhomogeneous process during backwardextrusion of complex box body, Relative shape and size of the blank is a key factor which affect metal flow.
复杂盒形零件的反挤压是一个极其不均匀的流动过程 ,坯料的相对形状及尺寸是影响金属流动的关键因素。
3
By improving the design of forging die and using press-forging and backwardextrusion principle, solves the problems of 130 steering knuckle forming which can not be fully filled during forming.