Transactions of Materials and Heat Treatment

Title：Active beam repair of 16000kN horizontal double-action extruding press

Authors： YANG Guo-yi(Henan Jianghe Machinery Co. Ltd. Lushan 467337 China)

Unit：

KeyWords： extruding press active beam fracture welding repair

ClassificationCode：TG375

year,vol(issue):pagenumber：2010,35(1):168-170

Abstract：

Fracture cracks are generated at the bottom beam of extruding press,which losses its functions and needs to be repaired.Being repositioned with home-made self-locking hydraulic puller device,the carbon dioxide gas arc welding and DC arc welding were made on the top,bottom and side parts of the fracturing crack.The warm-up before welding,heat holding during welding,low temperature tempering after welding and vibrating and hitting operation after every welding layer were used to eliminate the welding stress.After welding repair,active beam function was restored.It proves that it can meet the requirement of the extruding press through the application experiences for several years.

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Reference：

[1]中国机械工程学会焊接学会著.焊接手册:第1卷焊接方法及设备[M].北京:机械工业出版社,2001.
[2]中国机械工程学会焊接学会著.焊接手册:第2卷材料的焊接[M].北京:机械工业出版社,2001.

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