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如何確保碳鋼管的平整度和整體偏差

日期:2020-08-09

在碳鋼管制造過程中,從制造材料,工藝,焊接,無損檢測,計量,工具等方面監控碳鋼管制造生產過程的質量控制。如何確保產品的平整度和整體偏差碳鋼管組裝時?

如何確保碳鋼管的平整度和整體偏差

1,彎管組件:彎管是特殊的管段。外部尺寸誤差過大將給安裝帶來一定困難。因此,它需要整體組裝。

2,改善焊接工藝:采取小范圍的焊接,特別是第一層焊接,增加焊接水平,以減少焊接變形,減小鋼管尺寸偏差。

3,直管對接法:在小車的焊接中,先調整間隙,錯齒,進行整體尺寸檢查,檢查后才通過總點焊。

4,改進凹槽設計:使用無間隙的非對稱X形凹槽。焊接內縫后,用碳弧氣刨清除根部,使內焊縫和外焊縫的實際面積幾乎相等,這將有助于減少變形并減少殘余應力。

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