机油冷却器进出管异种金属焊接工艺试验研究  

Experimental Study on Welding Process of Different Metals in Inlet and Outlet Pipes of Engine Oil Coolers

作　　者：朱萍 周骥平[1] 卞红 周青青 ZHU Ping;ZHOU Jiping;BIAN Hong;ZHOU Qingqing(School of Mechanical Engineering,Yangzhou University,Yangzhou 225127,China;Yangzhou Polytechnic Institute,Yangzhou 225127,China;Jiangsu Tongshun Power Technology Co.,Ltd.,Nantong 226399,China)

机构地区：[1]扬州大学机械工程学院,江苏扬州225127 [2]扬州工业职业技术学院,江苏扬州225127 [3]江苏通顺动力科技有限公司,江苏南通226399

出　　处：《机械制造与自动化》2025年第1期39-41,57,共4页Machine Building & Automation

基　　金：江苏省企业研究生工作站研发项目。

摘　　要：针对机油冷却器中进出管异种金属焊接性能的差异,对比异种金属不同的焊接方法优缺点,从工艺性、经济性角度考虑选择火焰钎焊实现机油冷却器的异种金属焊接。选用银基钎料BAg38CuZnSn作为焊接材料,调整合适的焊接工艺参数,实现进出管的有效连接,通过湿式气密性检测,结果符合JB/T 6966标准,证明该工艺可以获得符合要求的焊接接头。Regarding the differences in the welding performance of different metals,the advantages and disadvantages of different welding methods for different metals were compared.From the perspective of process and economy,flame brazing was chosen to achieve the welding of different metals for oil coolers.Silver based brazing material BAg38CuZnSn was selected as the welding material,and appropriate welding process parameters were adjusted to achieve effective connection of inlet and outlet pipes.Through wet air tightness testing,the results met the JB/T 6966 standard,which proves that this process can obtain welding joints inline as required.

关 键 词：机油冷却器 异种金属 焊接 焊接工艺 

分 类 号：TG44[金属学及工艺—焊接]