吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (5): 1512-1518.doi: 10.13229/j.cnki.jdxbgxb201705024

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AL5052铝合金板平压重塑形连接试验

陈超1, 2, 赵升吨1, 崔敏超1, 2, 韩晓兰1, 范淑琴1, 石田徹2   

  1. 1.西安交通大学 机械工程学院,西安 710049;
    2.德岛大学 科学技术教育部,日本 德岛 770-8506
  • 收稿日期:2016-06-09 出版日期:2017-09-20 发布日期:2017-09-20
  • 作者简介:陈超(1990-),男,博士研究生.研究方向:塑性成形工艺.E-mail:science_chen@163.com
  • 基金资助:
    国家自然科学基金项目(51305333,51675414); 陕西省科学技术研究发展计划工业攻关类项目(2014K07-23)

Experimental study on reshaping method for joining AL5052 aluminum alloy sheets

CHEN Chao1, 2, ZHAO Sheng-dun1, CUI Min-chao1, 2, HAN Xiao-lan1, FAN Shu-qin1, ISHIDA Tohru2   

  1. 1.School of Mechanical Engineering,Xi'an Jiaotong University,Xi'an 710049,China;
    2.Graduate School of Science and Technology, Tokushima University, Tokushima 770-8506, Japan
  • Received:2016-06-09 Online:2017-09-20 Published:2017-09-20

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摘要： 为了实现铝合金板的有效连接并降低连接点凸起的高度,研究了一种平压重塑形连接的工艺。通过分瓣式模具产生无铆连接点,再采用一个平整的模具和一个带凸起的模具对连接点进行平压重塑形。通过剪切试验测得无铆连接点和平压重塑形连接点的剪切强度,并得到了连接点的能量吸收值、失效模式和相关尺寸参数等。研究表明,平压重塑形连接技术不仅可以降低连接点凸起高度,还有助于提高连接点的剪切强度和能量吸收值。平压重塑形连接技术通过增加连接点的颈厚值来增加连接点的剪切强度。

关键词: 机械制造工艺与设备, 无铆连接, 重塑形, 铝合金, 剪切强度

Abstract: In order to join aluminum alloy sheets effectively and reduce the protrusion height, a reshaping method was investigated in this paper. A clinched joint was produced by extensible dies, then the clinched joint was reshaped by a flat die and a bumped die. The shearing strengths of the clinched joint and reshaped joint were measured; the energy absorption, failure mode and relevant geometrical parameters were obtained. The results show that the reshaping method can not only reduce the protrusion height, but also increase the shearing strength and energy absorption. The neck thickness of the joint is increased by the reshaping method to increase the shearing strength.

Key words: manufacturing process and equipment, mechanical clinching without rivet, reshaping, aluminum alloy, shearing strength

中图分类号: 

  • TH16
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