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Moldflow-based optimization design of gating system in injection mold for automobile bumper

机译：汽车保险杠注射模具铸模基于模具的优化设计

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摘要

The gating system of an injection mold for car bumper was studied. A design optimization scheme is proposed to optimize both the number and locations of the gates by analyzing the filling process, in order to reduce the part war page and weld line, numerical simulation of injection mold filling process is combined with the design optimization method to find the optimum number of gates and their locations to achieve balanced flow and less weld lines while satisfying the limit of injection pressure. Moldflow software was applied to make analysis and comparison of various gating system in terms of their filling time, injection pressure and clamp force, weld line and distribution of air traps, and an optimized gating system was obtained. The result shows that this method can effectively reduce costs, shorten development cycle and improve the efficiency of molding design.
机译：研究了用于汽车保险杠的注射模具的门控系统。提出了一种设计优化方案来通过分析填充过程来优化栅极的数量和位置，以减少零件战争页和焊接线，注射模具灌装过程的数值模拟与设计优化方法相结合最佳数量的栅极及其位置，以实现平衡的流量和较少的焊接线，同时满足注射压力的极限。在其填充时间，喷射压力和夹力，焊接线和空气疏水阱的分布方面，应用模具流软件对各种门控系统进行分析和比较，并获得优化的门控系统。结果表明，该方法可以有效降低成本，缩短开发循环，提高模塑设计的效率。

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