镁合金汽车轮毂挤压成形工艺研究
Researches on Extrusion Process of Magnesium Alloy Automobile Wheel
裴暖暖， 杨永顺， 尹甜甜， 张 亚
点击：3335次 下载：0次
作者单位：河南科技大学 材料科学与工程学院， 河南 洛阳 471003
中文关键字：镁合金； 汽车轮毂； 正挤压； 模具
英文关键字：magnesium alloy; automobile wheel; forward extrusion; die
中文摘要：通过对镁合金汽车轮毂成形难点的分析，制定出一套合理的成形方案。重点介绍了正挤压工序。通过分析坯料预热、模具预热及挤压速度等对正挤压的影响来合理控制坯料预热温度、模具预热温度、挤压速度以实现镁合金轮毂产品的成形，从而获得力学性能优于铸造成形的汽车轮毂。该工艺的提出为汽车轮毂的发展提供了有价值的参考依据。
英文摘要：The forming difficulty of magnesium alloy automobile wheel was analyzed and a set of appropriate forming solutions was developed. The forming process of magnesium alloy automobile wheel was put forward. By analyzing the blank preheating, the mould preheating and the extrusion speed, these influencing factors were analyzed and controlled to form the magnesium alloy wheel. The better mechanical properties comparing with casting auto-hub were obtained. The process can provide a valuable reference for the development of automobile wheel.