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以大型钢锭锻造过程为研究对象,创新设计一种新型复合曲面型砧对锻件进行锻造;采用非线性有限元和物理模拟实验方法,通过理论建模和数值模拟,对大锻件内部组织变形的均匀性进行研究,以求找出在用不同形状砧子进行锻造时,锻件内部的应力、应变状态。以DEFORM软件为平台,对新型复合曲面型砧的锻造过程进行有限元模拟;根据影响锻造效果的主要因素砧宽比、型砧角度和设计复合曲面型砧所需的镜像线高度,特设计几种不同几何参数的工况,以求解出复合曲面型砧的最佳几何参数。
Taking the forging process of large steel ingot as the research object, a new composite curved anvil was designed to forge the forgings. By using the nonlinear finite element method and the physical simulation experiment method, the internal deformation of the large forging was homogenized by theoretical modeling and numerical simulation Sex research, in order to find out when using different shape anvil forging, the forging internal stress, strain state. Based on DEFORM software, the forging process of the new composite curved anvil was simulated by finite element method. According to the main factors affecting the forging effect, such as the aspect ratio of the anvil, the angle of the anvil and the height of the mirror line required to design the composite anvil, Different geometric parameters of the working conditions, in order to solve the composite surface anvil anvil the best geometric parameters.