铝合金等温挤压技术研究及应用分析  

Analysis of isothermal extrusion technology of aluminum alloy

作　　者：黄和銮 李辉 罗铭强 林丽荧 HUANG He-luan;LI Hui;LUO Ming-qiang;LIN Li-ying(Guangdong Xingfa Aluminum Co.,Ltd,Foshan 528137,China)

机构地区：[1]广东兴发铝业有限公司,广东佛山528137

出　　处：《世界有色金属》2021年第22期150-151,共2页World Nonferrous Metals

基　　金：广东省重点领域研发计划项目(2020B010186001);广东省企业重点实验室项目(2020B121202002);佛山市核心技术攻关项目(1920001000412)。

摘　　要：等温挤压是一种应用于铝合金生产的新型技术,该技术的出现有效弥补了传统热挤压技术的不足。分析铝合金等温挤压技术的具体优点,阐述铝合金等温快速挤压技术原理,并围绕梯温铸棒挤压、挤压参数的热—力耦合仿真、温度与挤压速度闭环控制几种技术方法加以论述,探讨了其优缺点。最后围绕7A04铝合金生产大型车用轮辋中等温挤压技术的应用情况进行分析,验证了铝合金等温挤压技术的有效性与可靠性。Isothermal extrusion is a new technology applied to aluminum alloy production,which effectively makes up for the shortcomings of traditional hot extrusion technology.This paper analyzes the specific advantages of isothermal extrusion technology of aluminum alloy,expounds the principle of isothermal rapid extrusion technology of aluminum alloy,and discusses several technical methods such as gradient temperature casting rod extrusion,thermal-mechanical coupling simulation of extrusion parameters,closed-loop control of temperature and extrusion speed,and discusses their advantages and disadvantages.Finally,the application of isothermal extrusion technology of 7A04 aluminum alloy for large automobile rims is analyzed,and the effectiveness and reliability of isothermal extrusion technology of aluminum alloy are verified.

关 键 词：铝合金 等温挤压 技术原理 梯温铸棒 挤压速度 

分 类 号：TG379[金属学及工艺—金属压力加工]