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油罐焊接預防變形的措施

發布時間:2015/3/17 瀏覽次數: 信息來源:泰安市鼎鑫金屬容器有限公司 發布者:admin

1  選擇合理的裝配-焊接順序,一般將結構總裝后在進行焊接,對于不能總裝的要選擇合理的焊接順序,油罐罐底的焊接要先焊里面的焊縫,并且要采取斷續焊。

2  選擇合理的焊接順序:1對稱焊,先焊焊縫少的一邊

3  選擇合理的焊接方法,對于油罐底長焊縫,直通變形量大,要從中間向兩邊焊,,也可以采用跳焊法,

4  反變形法,對大型油罐不適用,

5  鋼性固定法,焊前對焊件外加剛性拘束,

6  選用適當的線能量,

7  散熱法,強迫焊接件快速冷卻,


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