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歡迎來到鹽山昱通螺旋鋼管實體生產企業!

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139-0327-6700

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0317-5760336

昱通管道

鹽山昱通管道

專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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焊接鋼管廠家排行

日期:2021-02-25

螺旋鋼管生產工藝流程詳解成型前工作原材料即帶鋼卷,焊絲,焊劑。在投入前都要經過嚴格的理化檢驗。帶鋼頭尾對接,采用單絲或雙絲埋弧焊接,在卷成鋼管后采用自動埋弧焊補焊。成型前,帶鋼經過矯平、剪邊、刨邊,表面清理輸送和予彎邊處理,預彎與定徑是螺旋焊管成型過程中的主要工序。

焊接鋼管廠家排行

預彎的主要目的是解決管坯的彈復問題,因為彈復的大小直接影響鋼管的內在質量;定徑的主要目的是為了得到更加的管坯直徑,因為直徑控制是鋼管的主要質量指標之一。預彎與定徑之間需要有一個合適搭配才能得到理想的鋼管管坯。

成型過程采用電接點壓力表控制輸送機兩邊壓下油缸的壓力,確保了帶鋼的平穩輸送,主機是以中。

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