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镁合金锥形件内环筋通过旋压无法形成高筋。因此,提出斜楔加载整体成形工艺。通过DEFORM-3D软件模拟了AZ80镁合金锥形件内环筋成形过程,采用正交试验法分析了反挤成形过程中挤压温度、挤压速度、分瓣凸模圆角半径对成形过程中最大载荷和平均应变的影响,并对金属流动和等效应变规律进行了分析。结果表明:AZ80镁合金锥形件内环筋的最佳成形温度为410℃,最佳挤压速度为2 mm/s,最佳分瓣凸模圆角半径为55 mm。通过实验,环筋部位填充饱满,零件达到使用要求。
Magnesium alloy conical inner ring by spinning can not form a high tendon. Therefore, the wedge loading integral forming process is proposed. The forming process of inner ring tendons in AZ80 magnesium alloy taper was simulated by DEFORM-3D software. The orthogonal test was used to analyze the extrusion temperature, extrusion speed and the radius of the split punch in the forming process The maximum load and the average strain, and analyzes the metal flow and the equivalent strain law. The results show that the optimal forming temperature of the inner ring tendons is 410 ℃, the optimum extrusion speed is 2 mm / s and the radius of the best parting punch is 55 mm. Through experiments, filling the full ringed parts, parts meet the requirements.