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CN105234178A - 生产大口径无缝钢管柔性工艺路线 - Google Patents

生产大口径无缝钢管柔性工艺路线 Download PDF

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Publication number
CN105234178A
CN105234178A CN201510795691.3A CN201510795691A CN105234178A CN 105234178 A CN105234178 A CN 105234178A CN 201510795691 A CN201510795691 A CN 201510795691A CN 105234178 A CN105234178 A CN 105234178A
Authority
CN
China
Prior art keywords
mill
hollow
tube
seamless steel
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510795691.3A
Other languages
English (en)
Inventor
陈伟
王如军
徐银庚
李进
何西扣
王军
吕正南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Chengde Steel Pipe Co Ltd
Original Assignee
Yangzhou Chengde Steel Pipe Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou Chengde Steel Pipe Co Ltd filed Critical Yangzhou Chengde Steel Pipe Co Ltd
Priority to CN201510795691.3A priority Critical patent/CN105234178A/zh
Publication of CN105234178A publication Critical patent/CN105234178A/zh
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/06—Rolling hollow basic material, e.g. Assel mills
    • B21B19/10—Finishing, e.g. smoothing, sizing, reeling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

生产大口径无缝钢管柔性工艺路线，涉及大口径无缝钢管的生产工艺，包括依次设置的步进式加热炉一台、穿孔机一台、五机架三辊减径机一套、菌式轧管机一台、斜轧均整机一台、步进式再加热炉一台、五机架三辊定径机一套；所述步进式加热炉将实心圆管坯进行加热，所述穿孔机将实心圆管坯制成空心荒管，所述五机架三辊减径机对空心荒管进行减径形成毛管，所述菌式轧管机将减径后的毛管进行斜轧延伸，所述斜轧均整机将斜轧延伸后的斜轧毛管进行均整，所述步进式再加热炉将均整后的毛管进行再加热，所述五机架三辊定径机将再加热后的毛管进行定径。本发明生产工艺灵活、生产出的产品质量好。

Description

生产大口径无缝钢管柔性工艺路线
技术领域
本发明涉及大口径无缝钢管的生产工艺。
背景技术
现有的大口径无缝钢管生产工艺主要为穿孔、轧制及定径工艺，所采用的轧制方法一般为纵轧，工艺流程简单，生产灵活性不足，生产出的产品精度不高，纵横向性能差异较大。
发明内容
本发明的目的是为了克服现有技术的不足，提供一种生产大口径无缝钢管柔性工艺路线，生产工艺灵活、生产出的产品质量好。
本发明的目的是这样实现的：生产大口径无缝钢管柔性工艺路线，包括依次设置的步进式加热炉一台、穿孔机一台、五机架三辊减径机一套、菌式轧管机一台、斜轧均整机一台、步进式再加热炉一台、五机架三辊定径机一套；所述步进式加热炉将实心圆管坯进行加热，所述穿孔机将实心圆管坯制成空心荒管，所述五机架三辊减径机对空心荒管进行减径形成毛管，所述菌式轧管机将减径后的毛管进行斜轧延伸，所述斜轧均整机将斜轧延伸后的斜轧毛管进行均整，所述步进式再加热炉将均整后的毛管进行再加热，所述五机架三辊定径机将再加热后的毛管进行定径。
本发明的以上生产设备可以灵活配置以生产不同需求的产品，工艺步骤灵活。主要的工艺路线有：1.使用步进式加热炉、穿孔机、菌式轧管机，进行加热、穿孔、斜轧再离线后续加工；2.使用步进式加热炉、穿孔机、五机架三辊减径机、菌式轧管机，进行加热、穿孔、减径、斜轧再离线后续加工；3.使用步进式加热炉、穿孔机、五机架三辊减径机、菌式轧管机、斜轧均整机一台、步进式再加热炉一台、五机架三辊定径机，进行加热、穿孔、减径、斜轧、均整、再加热、定径。
通过使用不同的设备，使其工艺灵活性强，适应小批量多品种的特点要求，适合于减径以生产厚壁管的同时亦适合扩径生产薄壁管；生产出的产品具有尺寸精度高、表面质量好、组织与性能优异、各向异性小等特点。
附图说明
图1为本发明的结构框图。
具体实施方式
如图1所示，生产大口径无缝钢管柔性工艺路线，包括依次设置的步进式加热炉1一台、穿孔机2一台、五机架三辊减径机3一套、菌式轧管机4一台、斜轧均整机5一台、步进式再加热炉6一台、五机架三辊定径机7一套。步进式加热炉1将实心圆管坯进行加热，穿孔机2将实心圆管坯制成空心荒管，五机架三辊减径机3对空心荒管进行减径形成毛管，菌式轧管机4将减径后的毛管进行斜轧延伸，斜轧均整机5将斜轧延伸后的斜轧毛管进行均整，步进式再加热炉6将均整后的毛管进行再加热，五机架三辊定径机7将再加热后的毛管进行定径。

Claims (1)

1.生产大口径无缝钢管柔性工艺路线，其特征在于：包括依次设置的步进式加热炉一台、穿孔机一台、五机架三辊减径机一套、菌式轧管机一台、斜轧均整机一台、步进式再加热炉一台、五机架三辊定径机一套；所述步进式加热炉将实心圆管坯进行加热，所述穿孔机将实心圆管坯制成空心荒管，所述五机架三辊减径机对空心荒管进行减径形成毛管，所述菌式轧管机将减径后的毛管进行斜轧延伸，所述斜轧均整机将斜轧延伸后的斜轧毛管进行均整，所述步进式再加热炉将均整后的毛管进行再加热，所述五机架三辊定径机将再加热后的毛管进行定径。
CN201510795691.3A 2015-11-18 2015-11-18 生产大口径无缝钢管柔性工艺路线 Pending CN105234178A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510795691.3A CN105234178A (zh) 2015-11-18 2015-11-18 生产大口径无缝钢管柔性工艺路线

Applications Claiming Priority (1)

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CN201510795691.3A CN105234178A (zh) 2015-11-18 2015-11-18 生产大口径无缝钢管柔性工艺路线

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CN105234178A true CN105234178A (zh) 2016-01-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106216400A (zh) * 2016-08-03 2016-12-14 太原磬泓机电设备有限公司 外径大于60mm的无缝钢管轧制工艺及设备安装系统
CN114042775A (zh) * 2021-11-23 2022-02-15 杰森能源技术有限公司 金属管的制造设备

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US4571970A (en) * 1981-09-14 1986-02-25 Kocks Technik Gmbh & Co. Rolling mill plant for the manufacture of seamless tubes
US4798071A (en) * 1986-06-25 1989-01-17 Kocks Technik Gmbh & Co. Seamless tube production
CN101066547A (zh) * 2007-05-23 2007-11-07 烟台鲁宝钢管有限责任公司 一种无缝钢管的轧制工艺及专用设备
CN102581014A (zh) * 2012-02-07 2012-07-18 王国亮 生产薄壁无缝钢管的工艺
CN104148489A (zh) * 2014-08-07 2014-11-19 北京京诚之星科技开发有限公司 生产大口径中薄壁无缝钢管的方法和系统
CN104475451A (zh) * 2014-12-11 2015-04-01 太原磬泓机电设备有限公司 一种无缝钢管轧制系统及其轧制工艺

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571970A (en) * 1981-09-14 1986-02-25 Kocks Technik Gmbh & Co. Rolling mill plant for the manufacture of seamless tubes
US4798071A (en) * 1986-06-25 1989-01-17 Kocks Technik Gmbh & Co. Seamless tube production
CN101066547A (zh) * 2007-05-23 2007-11-07 烟台鲁宝钢管有限责任公司 一种无缝钢管的轧制工艺及专用设备
CN102581014A (zh) * 2012-02-07 2012-07-18 王国亮 生产薄壁无缝钢管的工艺
CN104148489A (zh) * 2014-08-07 2014-11-19 北京京诚之星科技开发有限公司 生产大口径中薄壁无缝钢管的方法和系统
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宋仁伯编著: "《轧制工艺学》", 30 April 2014, 北京：冶金工业出版社，第1版 *
苏俊: "大口径厚壁钢管减径轧制壁厚增厚分析", 《江苏冶金》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106216400A (zh) * 2016-08-03 2016-12-14 太原磬泓机电设备有限公司 外径大于60mm的无缝钢管轧制工艺及设备安装系统
CN114042775A (zh) * 2021-11-23 2022-02-15 杰森能源技术有限公司 金属管的制造设备

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