摘要
介绍了采用CO2气体保护焊接工艺,大幅度提高了冲焊结构汽车驱动桥壳环缝的焊接质量,使桥壳总成疲劳寿命达到140万次以上。
In order to improve the quality of drive axle housings circumferential butt joint, cardon--dioxide are welding is used. The fatigue life of drive axle housing reaches 1 400 000 times.
出处
《新技术新工艺》
2006年第2期21-22,共2页
New Technology & New Process
关键词
汽车
驱动桥壳
CO2气体保护焊
疲劳寿命
automobile, drive axle housing, cardon-dioxide arc welding, fatigue life
