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Welding distortion controlments for low pressure casting of Hua Neng Yu Huan Power Plant
Journal: WELDING TECHNOLOGY, Year , Issue 5 , Page 57-60
Keyword:  低压缸焊接变形焊接工艺;
Abstract: 介绍了国内首台1 000 MW超超临界机组低压缸的焊接及防变形措施,在工艺上采用了热输入集中的CO2焊,进行多层多道焊,制定了合理的焊接顺序,控制焊缝厚度和宽度,用百分表进行过程监控,使焊接变形量得到了有效的控制,满足了低压缸安装的精度要求.
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