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客车空调螺柱电弧式螺柱焊的实验研究
引用本文:黄海滨,;刘建春,;柯晓龙,;林晓晖. 客车空调螺柱电弧式螺柱焊的实验研究[J]. 机械工程师, 2014, 0(12): 11-13
作者姓名:黄海滨,  刘建春,  柯晓龙,  林晓晖
作者单位:[1]精密驱动与传动福建省高校重点实验室,福建厦门361024; [2]厦门理工学院机械与汽车工程学院,福建厦门361024
基金项目:福建省教育厅科技项目A类产学研专项(JA13232);厦门理工学院国家基金预研项目(XYK201428)
摘    要:针对客车空调紧固件螺栓的焊接成型,提出一种电弧式螺柱焊接方式来替代原有的螺栓预埋气体保护焊方式,设计了一种可以自行更换螺柱的螺柱焊枪,搭建了螺柱焊接实验平台,螺柱直径为10 m m,实现穿透焊的蒙皮试件厚1.2 m m,骨架试件厚3 m m。依据经验公式设定焊接电流为900 A,焊接时间为60 m s时,进行电弧式螺柱焊的实验,完成了客车空调螺柱的焊接成型,最后利用万能材料试验机对焊接完成的试件进行机械拉伸试验,螺柱在焊缝区域以外断裂,证明了电弧式螺柱焊方式能够提高螺柱焊接质量,提升了客车运行的安全性和可靠性。

关 键 词:螺柱焊  焊接实验  拉伸实验  焊接质量

Experimental Study of Air-conditioned Buses Arc Stud Welding Stud
Affiliation:HUANG Haibin,LIU Jianchun,KE Xiaolong,LIN Xiaohui(1 .School of Mechanical & Automotive Engineering, Xiamen University of Technology, Xiamen 361024, China ; 2.Key Laboratory of Precision Actuation and Transmission, Fujian Province University, Xiamen 361024, China )
Abstract:In order to complete the welding of bus air conditioner stud,an arc stud welding is proposed instead of original bolts embedded and GMAW,a kind of self-replaceable studs stud gun is designed,and a experiment platform for stud welding is built,in which the diameter of stud is 10 mm,the thickness of the skin specimens is 1.2 mm,and the thickness of skeleton specimen is 3 mm. Based on the empirical formula, the value of welding current is set to 900 A,the welding time is set to 60 ms,then the test of bus air conditioner stud welding is carried out. In the mechanical tensile test of welding specimen which is completed using universal testing machine, the stud fractures outside the weld area,so the arc stud welding method is proved to be valid in improvement of stud welding quality, the safety and reliability of buses running.
Keywords:stud welding  welding experiment  tensile test  welding quality
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