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	孙丹丹,李文东
 
	1:南京交通职业技术学院 
 
	2:南京致远公司 
 
	    摘要:为适应汽车轻量化的发展趋势,文章结合实践从铝及铝合金的焊接特点、焊接方法的选择、焊前准备、焊接工艺、焊后清理五个方面详细介绍了车身是铝合金的点焊焊接过程。
 
	    关键词: 车身;;铝合金;;点焊;;优质焊接接头 
 
	    Abstract: To be adapted to the development
trend of automobile lighten,The paper introduced spot welding's process of body
made with Aluminium alloy conneted with practice from five insects:welding
characteristic,the choice of welding manner,prepare before welding,welding
technics and chear after welding.
 
	    Keywords: Automobile Body;Aluminium
Alloy;Spot Welding;High Quality Weld 
 
	参考文献:
 
	[1]庄志,李玉香.现代轿车车身的构造与修复.湖北科学技术出版社. 
 
	[2]焊接手册.中国机械工程学会焊接学会.机械工业出版社. 
 
	[3]第十次全国焊接会议论文集 
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