铝合金榫卯结构的几何特征  

Geometric characteristics of aluminum alloy mortise and tenon joint structure

作　　者：宗志坚 龙飞永 贤锦章 刘华荣 王飞 ZONG Zhijian;LONG Feiyong;XIAN Jinzhang;LIU Huarong;WANG Fei(National NC System Engineering Research Center,Huazhong University of Science and Technology,Wuhan 430074;Nanning Huashu Lightweight Electric Vehicle Design Institute Limited,Nanning 530000)

机构地区：[1]华中科技大学国家数控系统工程技术研究中心,湖北武汉430074 [2]南宁华数轻量化电动汽车设计院,广西南宁530000

出　　处：《机械设计》2024年第6期1-6,共6页Journal of Machine Design

基　　金：南宁市“邕江计划”项目(2018-01-01)。

摘　　要：铝合金材料是一种优秀的轻量化材料,但由于其焊接性能差,限制了其在汽车上的大量应用。文中提出一种新的铝合金型材连接方案,即铝合金榫卯连接结构,并对其几何特点进行了研究:给出了铝合金榫卯结构的构成,即榫头、卯孔和固定结构;分析了铝合金榫卯结构的几何缺陷;定义了7组描述铝合金榫卯结构特点的基本参数;研究了铝合金型材截面轮廓及其内部结构的拓扑规律;归纳了工程中4类实用的铝合金榫卯结构类型。Although aluminum alloy materials are known for lightweight,but their application in automobiles is limited because of poor welding performance.In this article,a new aluminum alloy mortise and tenon joint structure is proposed,and then the analysis is conducted on its geometric characteristics:The aluminum alloy mortise and tenon joint structure is consisted of tenon,mortise hole and auxiliary reinforcement structure;The geometric defects of the aluminum alloy mortise and tenon joint structure are explored;Seven groups of basic parameters are defined to describe the characteristics of the alu-minum alloy mortise and tenon joint structure;Efforts are made to explore the topology law of both the profile section and the internal structure;Four practical aluminum alloy mortise and tenon joint structures in the field of engineering are summarized.

关 键 词：铝合金型材 铝合金榫卯结构 型材截面拓扑 

分 类 号：TH142.2[一般工业技术—材料科学与工程]