摘要
针对压力管道焊接中其焊道背部易出现的质量缺陷 ,从施工准备和施工工艺两方面进行了分析 ,提出了反向送丝的焊接方法 ,经检验所焊管口合格率达 98%,达到了工期和质量要求。
In view of the quality defects existed in welding process of penstock analysis is carried out in terms of construction preparation and construction technology. The inverse wire feeding method is proposed, which completely meet the quality and limit time requirements with 98% qualified crater.
出处
《山西建筑》
2004年第2期34-35,共2页
Shanxi Architecture
