[1]王 軍.大直徑超薄壁螺旋焊管穩定成型技術研究[J].焊管,2020,43(1):44-48.[doi:10.19291/j.cnki.1001-3938.2020.01.009]
 WANG Jun.Study on the Stable Forming Technology of Ultrathin-walled Spiral Pipe with Large Pipe Diameter[J].,2020,43(1):44-48.[doi:10.19291/j.cnki.1001-3938.2020.01.009]
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大直徑超薄壁螺旋焊管穩定成型技術研究()
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
43
期數:
2020年第1期
頁碼:
44-48
欄目:
工藝與設備
出版日期:
2020-01-28

文章信息/Info

Title:
Study on the Stable Forming Technology of Ultrathin-walled Spiral Pipe
 with Large Pipe Diameter
文章編號:
10.19291/j.cnki.1001-3938.2020.01.009
作者:
王 軍
華油鋼管有限公司揚州分公司,江蘇 揚州 225000
Author(s):
WANG  Jun
North China Petroleum Steel Pipe Co., Ltd., Yangzhou Subsidiary, Yangzhou 225000, Jiangsu, China
關鍵詞:
焊管大直徑螺旋埋弧焊管超薄壁管成型穩定性在線內撐輥
Keywords:
welded pipe large diameter spiral submerged arc welded pipe ultrathin-walled pipe stable forming process on-line internal roller
分類號:
TG333.93
DOI:
10.19291/j.cnki.1001-3938.2020.01.009
文獻標志碼:
B
摘要:
為了提高大直徑超薄壁螺旋焊管管坯成型過程中的穩定性,提高鋼管幾何精度,降低管坯開縫、錯邊缺陷幾率,對大直徑超薄壁螺旋焊管成型難點進行了分析并提出了改進方法。通過設計安裝在線內撐輥裝置和錯邊壓平裝置來提升成型器對管坯管型的控制能力。方案實施后成功試制了Q345NS鋼級Φ3 020 mm×12 mm大直徑超薄壁螺旋埋弧焊管。應用結果表明,該優化改進方案可有效控制大直徑超薄壁螺旋焊管的直徑、橢圓度公差,降低管坯開縫引起的內焊燒穿缺陷和焊縫錯邊的幾率,實現了大直徑超薄壁螺旋焊管精確穩定成型的目的。
Abstract:
In order to improve the stability of the forming process of the large-diameter and ultrathin-walled spiral welded pipe blank,improve the geometric accuracy of the steel pipe,and reduce the probability of the defects such as the opening and staggering of the pipe blank,the forming difficulties of the large-diameter and ultrathin-walled spiral welded pipe are analyzed and the improvement methods are put forward. Through the design and installation of the on-line inner supporting roller device and the stagger flattening device,the control ability of the shaper to the tube blank and tube shape is improved. After the implementation of the scheme,Q345NS steel grade Φ3 020 mm×12 mm large diameter ultrathin-walled spiral submerged arc welded pipe was successfully trial manufactured. The application results show that the optimized scheme can effectively control the diameter and ovality tolerance of the large-diameter and ultrathin-walled spiral welded pipe,reduce the internal welding burn through defects and the possibility of weld misalignment caused by the opening of the tube blank,and achieve the purpose of the accurate and stable forming of the large-diameter and ultrathin-walled spiral welded pipe.

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備注/Memo

備注/Memo:

收稿日期:2019-07-25

基金項目: 渤海石油裝備科研項目 “耐硫酸露點腐蝕用超大徑厚比螺旋埋弧焊鋼管的研制與開發”(項目編號F-M01118K6)。
作者簡介:王 軍(1987—),男,工程師,主要從事螺旋焊管的工藝研究和成型設備技術相關工作。

更新日期/Last Update: 2020-02-21
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