挂舵臂高强铸钢件工艺孔镶嵌板的焊接
Electric Welding Machine(2007)
Abstract
介绍了瓦锡兰(WRTSIL NORWAY AS)设计的高效舵挂舵臂铸钢件镶嵌结构焊接工艺,采用预堆边方法成功解决了挂舵臂铸钢件镶嵌结构焊接裂纹问题。实践表明,预堆边方法具有施工简单、成本低和焊后可以进行热处理的优点。焊接坡口的设计考虑到CO2焊350型小口径焊枪喷嘴外径尺寸、焊丝干深长、保证根部焊道可靠熔透并尽量减少焊接工作量。坡口形式满足焊接要求。挂舵臂嵌补焊接接头经无损检验,焊缝质量满足ISO5817C级要求。
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Key words
cast steel,buttering,rudder arm,inlay
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