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铸旋轮毂结构优化设计
英文标题:Structure optimization of spin casting wheel
作者:张立娟 
单位:河北环境工程学院 
关键词:铸旋铝合金轮毂 径向冲击 内轮缘 第一主应力 抗冲击能力 伸长率 
分类号:TH122;TG316
出版年,卷(期):页码:2017,42(5):123-127
摘要:
为了提高铸旋铝合金轮毂的抗冲击能力,降低内轮缘的变形量。以某款轮毂为研究对象,对其轮辋结构进行了重新设计,建立了铝合金轮毂径向冲击模型,对其按实际载荷进行受力和内轮缘变形模拟,并进行试验验证。结果表明:减小轮辋直线段的倾斜角度,与一道驼峰进行拱形连接,能够降低轮毂受径向冲击时轮井处的应力和内轮缘的变形量,第一主应力减小6%,内轮缘变形量减小12%以上,提高了轮毂的抗冲击能力;同时,新结构轮辋的设计有利于提高旋压部位的强度,轮辋的伸长率提高了10%以上。该设计方法已经应用到铝合金铸旋轮毂的设计中。
A certain type of the wheel rim was redesigned to improve the impact resistance of spin casting aluminum alloy wheel and reduce the deformation of the inner rim, and a radial impact model of aluminum alloy wheel was established. Then, the force analysis was carried out based on the actual loading, and the deformation process of the wheel rim was simulated and verified by experiments. The results show that the decrease of the tilt angle of straight line segment and making the straight line with a hump by arc transition can decrease the stress of wheel well 6%, the deformation of inner rim more than 12% under the radial shock, thus the impact resistance of wheel is improved greatly. Meanwhile, the redesign of the wheel rim can also improve the strength of spinning parts, and its elongation is increaseed by more than 10%. The design method has been applied to the design of aluminum alloy casting hub.
基金项目:
河北省科技计划项目(16211030);秦皇岛市科学技术研究与发展计划项目(2012021A122)
作者简介:
张立娟(1979-)女,硕士,讲师
参考文献:

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