[1]汪 超,武占芳,金 博,等.JCOE焊管椭圆度和管径误差的控制[J].焊管,2012,35(9):69-73.[doi:１００１－３９３８（２０１２）０9-0069-05]
　WANG Chao,WU Zhanfang,JIN Bo,et al.Control Ovality and Diameter Tolerance for JCOE Pipe[J].,2012,35(9):69-73.[doi:１００１－３９３８（２０１２）０9-0069-05]
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JCOE焊管椭圆度和管径误差的控制
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《焊管》[ISSN:1001-3938/CN:61-1160/TE]

卷:
35
期数:
2012年第9期
页码:
69-73
栏目:
经验交流
出版日期:
2012-09-28

文章信息/Info

Title:
Control Ovality and Diameter Tolerance for JCOE Pipe
文章编号:
１００１－３９３８（２０１２）０9-0069-05
作者:
汪 超1; 武占芳1; 金 博1; 钱 勇1; 葛玉宏1; 朱 敏2; 王卫华1
（1.渤海装备南京巨龙钢管有限公司， 南京 210061；
2.渤海装备巨龙钢管有限公司，河北 青县 062658）
Author(s):
WANG Chao1; WU Zhanfang1; JIN Bo1; QIAN Yong1; GE Yuhong1; ZHU Min2; WANG Weihua1
（1.Nanjing Ju Long Steel Pipe Limited Company of CNPC Bohai Equipment，Nanjing， 210061，China；
2.Ju Long Steel Pipe Limited Company of CNPC Bohai Equipment，Qingxian，062658 Hebei， China）
关键词:
JCOE双面埋弧焊管; 椭圆度; 管径误差; 改进措施
Keywords:
JCOE two-side submerged-arc welded pipe;  ovality;  diameter tolerance;  improvement measures
分类号:
TE973.1
DOI:
１００１－３９３８（２０１２）０9-0069-05
文献标志码:
B
摘要:
通过分析JCOE双面埋弧焊管的生产工艺特点，包括原材料性能、成型、预焊和扩径的工艺参数对钢管椭圆度和管径误差的影响，总结出：JCOE钢管管端椭圆度≤0.012D时，椭圆度指标会有明显提高，钢管平均椭圆度一次合格率从原来的85.4%提高到98.46%；钢管管端直径误差（D≥610 mm）控制在±1.3 mm，管端管径尺寸精度控制也能得到明显改善，管端管径一次合格率从原来的90.56%上升至现在的99.47%。指出了钢管椭圆度调整方案和钢管管端直径误差控制改进办法，以及常见问题产生的原因和改进措施，对提高钢管的椭圆度和管径精度有一定借鉴意义。
Abstract:
Through analysis on process characteristics of JCOE two-side submerged-arc welded pipe, including raw material performance, forming, tack welding , as well as the effect of expansion on ovality and diameter tolerance. The results indicated that when the ovality of pipe end is not more than 0.012D, the ovality index increases obviously, the one-pass conformity rate is enhanced from 85.4% to 98.46%; the diameter (D≥610 mm) tolerance of pipe end is controlled at ±1.3 mm, the accuracy of pipe end diameter is improved greatly, and one-pass conformity rate is enhanced from 90.56% to 99.47%. In the end, it pointed out the adjustment approach for steel pipe ovality, improved methods for controlling pipe end diameter tolerance, the reason for common problems and improvement measures, which delivers significant value for improving ovality and the accuracy of diameter.

参考文献/References:

［1］ 陆严清.塑性变形理论及应用［M］.北京：国防工业出版社，1988.
［2］ 曾攀.有限元分析及应用［M］.北京：清华大学出版社，2004.
［3］ 戚维明.全面质量管理［M］.3版.北京：中国科学技术出版社，2010.
［4］ Q/SY GJX 0126—2007，西气东输工程X70管线试制与技术条件［S］ .
［5］ API SPEC 5L（44版），管线钢管规范［S］ .
［6］ ISO 3183，石油天然气工业输送钢管交货技术条件［S］.
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备注/Memo

备注/Memo:
作者简介：汪超（1982—），男，湖北通城人，大学本科，工程师，就职于中国石油渤海装备巨龙钢管南京公司，主要从事无损检测技术工作。
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