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    軋輥孔型對(duì)高頻焊管管徑與橢圓度的影響

    Analysis of Effect by Roll Pass on Diameter and Ovality of HF Welded Pipe

    • 摘要: 根據(jù)目前國(guó)內(nèi)高頻焊管管徑的控制現(xiàn)狀，分析影響高頻焊管管徑與橢圓度的因素，并結(jié)合Φ244.48 mm×8.94 mm規(guī)格J55鋼級(jí)ERW焊管的實(shí)際生產(chǎn)情況，重點(diǎn)闡述定徑軋輥孔型及其修復(fù)參數(shù)對(duì)高頻焊管管徑與橢圓度的影響。分析認(rèn)為：通過(guò)控制定徑軋輥孔型的磨損，可保證高頻焊管的管徑，較好地解決橢圓度超差問(wèn)題。

       

      Abstract: Based on the current domestic level of controlling diameter accuracy of the HF welded pipe,elements as affecting the diameter and ovality of such pipe are analyzed.Taking the actual production circumstances of the Φ244.48 mm×8.94 mm J55 ERW pipe into consideration,effects by the sizing roll pass and its repair parameters on the diameter and ovality of the said welded pipe are mainly analyzed.As a result,it is regarded that proper control of wearingof thesizingroll groovewill getthepipediameter accuracy ensured,and theout-of-toleranceovality eliminated.

       

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