汽车半轴挤镦复合工艺研究
Research on Extrusion-upsetting Process for Automobile Semi Axle
李元洪, 刘 华, 刘 丹, 孙红星
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作者单位：(郑州机械研究所, 河南 郑州 450001)
中文关键字：挤镦复合工艺； 半轴； 缩径
英文关键字：extrusion-upsetting process; semi axle; shrink diameter
中文摘要：针对汽车半轴的结构特点，在分析国内外近年来采用的各种成形工艺的基础上，提出了热挤镦头部-冷缩径杆部工序相结合的冷热成形工艺，并用有限元软件Deform-3D对此工艺的成形过程进行了数值模拟分析。结果表明，该工艺是适用于半轴成形的有效工艺方案。
英文摘要：Aiming at structure characteristics of automobile semi axle, based on analyzing various forming process for automobile semi axle in recent years, a hot and cold forging process for automobile semi axle was developed, which combined hot extrusion-upsetting head and cold shrink diameter pole. The forging process was simulated by software Deform-3D. The results show that it is an effective forging process for the production of automobile semi axle.