JPWO2010073863A1 - 冷間圧延による継目無金属管の製造方法 - Google Patents
冷間圧延による継目無金属管の製造方法 Download PDFInfo
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- JPWO2010073863A1 JPWO2010073863A1 JP2010543983A JP2010543983A JPWO2010073863A1 JP WO2010073863 A1 JPWO2010073863 A1 JP WO2010073863A1 JP 2010543983 A JP2010543983 A JP 2010543983A JP 2010543983 A JP2010543983 A JP 2010543983A JP WO2010073863 A1 JPWO2010073863 A1 JP WO2010073863A1
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- 238000005097 cold rolling Methods 0.000 title claims abstract description 40
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 24
- 239000002184 metal Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 230000009467 reduction Effects 0.000 claims abstract description 63
- 238000005096 rolling process Methods 0.000 claims abstract description 41
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 11
- 238000005098 hot rolling Methods 0.000 claims description 3
- 230000037303 wrinkles Effects 0.000 abstract description 37
- 238000000034 method Methods 0.000 abstract description 31
- 230000008569 process Effects 0.000 abstract description 24
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000001192 hot extrusion Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- 238000005482 strain hardening Methods 0.000 description 3
- 238000010622 cold drawing Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000006187 pill Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
- B21B21/005—Pilgrim-step tube-rolling, i.e. pilger mills with reciprocating stand, e.g. driving the stand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B21/00—Pilgrim-step tube-rolling, i.e. pilger mills
- B21B21/02—Rollers therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/04—Thickness, gauge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2261/00—Product parameters
- B21B2261/02—Transverse dimensions
- B21B2261/08—Diameter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2265/00—Forming parameters
- B21B2265/14—Reduction rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B23/00—Tube-rolling not restricted to methods provided for in only one of groups B21B17/00, B21B19/00, B21B21/00, e.g. combined processes planetary tube rolling, auxiliary arrangements, e.g. lubricating, special tube blanks, continuous casting combined with tube rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
Description
Rd={1−(d/do)}×100(%) ・・・ (a)
Rt={1−(t/to)}×100(%) ・・・ (b)
熱間押出しプロセスにより製造された外径50.8mm、内厚5.5mmの25Cr−30Ni−3Mo高合金鋼管を供試素管とし、コールドピルガミルにより外径38.1mm、肉厚2.4mmに縮径圧延した。往行程開始時点において送りとターン角を与えている。実験条件を以下に要約する。
往行程のフイード(送り):f=8.0mm
往行程のターン角(回転角):θ=60°
素管寸法:do×to=50.8mm×5.5mm
仕上寸法:d×t=38.1mm×2.4mm
縮径比:d/do=0.75
延伸比:to(do−to)/t(d−t)=2.91
肉厚/外径比:t/d=0.063
外径減少率/肉厚減少率比:Rd/Rt=0.46<1/2
ただし、外径減少率:Rd={1−(do/d)}×100(%)
肉厚減少率:Rt={1−(to/t)}×100(%)
マンネスマン・マンドレミルプロセスにより、交叉穿孔機、マンドレルミルおよびストレッチレデューサで製造された外径48.6mm、肉厚6.0mmの25Cr−30Ni−3Moの高合金鋼管を供試素管とし、コールドピルガミルにより外径41.0mm、肉厚2.2mmに縮径圧延した。ストレッチレデューサにおける外径減少率は77%以下である。実験条件を以下に要約する。
往行程のフイード:f=8.0mm
往行程のターン角:θ=60°
素管寸法:do×to=48.6mm×6.0mm
仕上寸法:d×t=41.0mm×2.2mm
縮径比:d/do=0.84
延伸比:to(do−to)/t(d−t)=3.0
肉厚/外径比:t/d=0.054
外径減少率/肉厚減少率比:Rd/Rt=0.25<1/2
ただし、外径減少率:Rd={1−(do/d)}×100(%)
肉厚減少率:Rt={1−(to/t)}×100(%)
マンネスマン・マンドレミルプロセスにより、交叉穿孔機、マンドレルミルおよびサイザで製造された外径101.6mm、肉厚7.0mmの25Cr−30Ni−3Moの高合金鋼管を供試素管とし、コールドピルガミルにより外径88.9mm、肉厚2.8mmに縮径圧延した。サイザにおける外径減少率は33%以下である。実験条件を以下に要約する。
往行程のフイード:f=10.0mm
往行程のターン角:θ=60°
素管寸法:do×to=101.6mm×7.0mm
仕上寸法:d×t=88.9mm×2.8mm
縮径比:d/do=0.88
延伸比:to(do−to)/t(d−t)=2.8
肉厚/外径比:t/d=0.032
外径減少率/肉厚減少率比:Rd/Rt=0.21<1/2
ただし、外径減少率:Rd={1−(do/d)}×100(%)
肉厚減少率:Rt={1−(to/t)}×100(%)
4:テーパ状マンドレル、 5:圧延管
11、14:溝底側セクション、 12、13:フランジ側セクション
21:丸ビレット、 22:ホローピース、ホローシェル
24:マンドレルミル、 25:再加熱炉
26:定径圧延機、ストレッチレデューサ
Claims (3)
- コールドピルガミルによる継目無金属管の製造方法であって、
素管ならびに製品圧延管の外径および肉厚寸法に応じて、一対のロールの噛み込み入口側から仕上出口側に向かって次第にその径が縮小するテーパ状孔型を有するロールと、
同じく噛み込み入口側から仕上出口側に向かって次第にその径が縮小するテーパ状マンドレルとを用いて、
縮径しながら肉厚を減じて延伸圧延する際に、外径減少率Rdを肉厚減少率Rtの1/2以下とすることを特徴とする冷間圧延による継目無金属管の製造方法。
ただし、Rd={1−(d/do)}×100(%)
Rt={1−(t/to)}×100(%)
do:素管外径、d:仕上外径、to:素管肉厚、t:仕上肉厚 - ストレッチレデューサにより外径減少率77%以下の条件で熱間で絞り圧延して仕上げられた素管を使用することを特徴とする請求項1記載の冷間圧延による継目無金属管の製造方法。
- サイザにより外径減少率33%以下の条件で熱間で絞り圧延して仕上げられた素管を使用することを特徴とする請求項1記載の冷間圧延による継目無金属管の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010543983A JP4893858B2 (ja) | 2008-12-24 | 2009-11-25 | 冷間圧延による継目無金属管の製造方法 |
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JP2008327763 | 2008-12-24 | ||
JP2008327763 | 2008-12-24 | ||
PCT/JP2009/069823 WO2010073863A1 (ja) | 2008-12-24 | 2009-11-25 | 冷間圧延による継目無金属管の製造方法 |
JP2010543983A JP4893858B2 (ja) | 2008-12-24 | 2009-11-25 | 冷間圧延による継目無金属管の製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP4893858B2 JP4893858B2 (ja) | 2012-03-07 |
JPWO2010073863A1 true JPWO2010073863A1 (ja) | 2012-06-14 |
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JP2010543983A Active JP4893858B2 (ja) | 2008-12-24 | 2009-11-25 | 冷間圧延による継目無金属管の製造方法 |
Country Status (8)
Country | Link |
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US (1) | US20110271731A1 (ja) |
EP (1) | EP2390016B1 (ja) |
JP (1) | JP4893858B2 (ja) |
KR (1) | KR101311598B1 (ja) |
CN (1) | CN102245320B (ja) |
CA (1) | CA2743165C (ja) |
ES (1) | ES2533620T3 (ja) |
WO (1) | WO2010073863A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109940059A (zh) * | 2017-12-21 | 2019-06-28 | 北京有色金属研究总院 | 一种精密薄壁大直径铝合金管材的制备方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102294378A (zh) * | 2011-06-21 | 2011-12-28 | 吉欣(英德)热轧不锈复合钢有限公司 | 一种中小管径内复合不锈钢管的制造方法 |
CN103521521B (zh) * | 2013-10-17 | 2015-11-18 | 太原科技大学 | 一种凹辊式管材斜轧张力减径工艺方法 |
CN104353673A (zh) * | 2014-11-04 | 2015-02-18 | 辽宁天丰特殊工具制造有限公司 | 消除钢管内方的定减径机 |
KR101584300B1 (ko) | 2015-06-11 | 2016-01-11 | 최광준 | 맨드릴용 윤활유 공급이 가능한 필거 밀 |
CN106862273A (zh) * | 2017-04-10 | 2017-06-20 | 广东科莱博科技有限公司 | 一种冷轧管的轧制方法 |
JP7288255B2 (ja) * | 2018-09-19 | 2023-06-07 | 長野鍛工株式会社 | 相当ひずみの導入方法 |
CN113543901B (zh) * | 2019-03-15 | 2023-08-04 | 杰富意钢铁株式会社 | 无缝方形钢管的制造方法 |
CN115011914B (zh) * | 2022-08-08 | 2022-10-25 | 西北工业大学 | 一种医用钴基合金无缝管材的制备方法 |
CN115318828B (zh) * | 2022-09-02 | 2023-10-27 | 张家港华裕有色金属材料有限公司 | 一种用于冷轧金属管的轧制方法 |
CN115338266B (zh) * | 2022-09-02 | 2023-10-27 | 张家港华裕有色金属材料有限公司 | 一种金属管冷轧方法 |
Family Cites Families (12)
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JPS5725209A (en) * | 1980-07-18 | 1982-02-10 | Sumitomo Metal Ind Ltd | Production of seamless metallic pipe |
JPH04127902A (ja) * | 1990-09-18 | 1992-04-28 | Sumitomo Metal Ind Ltd | 銀合金薄肉小径管の製造方法 |
JP2924523B2 (ja) * | 1992-12-11 | 1999-07-26 | 住友金属工業株式会社 | マンドレルミルによる金属管の延伸圧延方法 |
DE4335063C1 (de) * | 1993-10-11 | 1995-05-04 | Mannesmann Ag | Kaltpilgerwalzwerk zum Kaltwalzen von Rohren |
CN2182005Y (zh) * | 1994-05-19 | 1994-11-09 | 北京科技大学 | 锥形辊钢管斜轧延伸机 |
US5699690A (en) * | 1995-06-19 | 1997-12-23 | Sumitomo Metal Industries, Ltd. | Method and apparatus for manufacturing hollow steel bars |
JP3853428B2 (ja) * | 1995-08-25 | 2006-12-06 | Jfeスチール株式会社 | 鋼管の絞り圧延方法および設備 |
JPH1080715A (ja) * | 1996-09-05 | 1998-03-31 | Sumitomo Metal Ind Ltd | 冷間加工のままで使用される鋼管の製造方法 |
CN1224471C (zh) * | 2000-09-19 | 2005-10-26 | 鞍山钢铁集团公司 | 单旋体变断面管及其制造方法和设备 |
JP2003062604A (ja) * | 2001-08-28 | 2003-03-05 | Sanyo Special Steel Co Ltd | 打抜き性に優れた鋼管の製造方法 |
WO2005095013A1 (ja) * | 2004-03-30 | 2005-10-13 | Sumitomo Metal Industries, Ltd. | 管の定径圧延制御方法及び定径圧延制御装置 |
JP4192970B2 (ja) * | 2005-06-28 | 2008-12-10 | 住友金属工業株式会社 | 金属管の冷間圧延方法 |
-
2009
- 2009-11-25 CN CN200980149550.7A patent/CN102245320B/zh not_active Expired - Fee Related
- 2009-11-25 EP EP09834667.9A patent/EP2390016B1/en not_active Not-in-force
- 2009-11-25 CA CA2743165A patent/CA2743165C/en not_active Expired - Fee Related
- 2009-11-25 KR KR1020117012333A patent/KR101311598B1/ko active IP Right Grant
- 2009-11-25 WO PCT/JP2009/069823 patent/WO2010073863A1/ja active Application Filing
- 2009-11-25 ES ES09834667.9T patent/ES2533620T3/es active Active
- 2009-11-25 JP JP2010543983A patent/JP4893858B2/ja active Active
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Cited By (1)
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CN109940059A (zh) * | 2017-12-21 | 2019-06-28 | 北京有色金属研究总院 | 一种精密薄壁大直径铝合金管材的制备方法 |
Also Published As
Publication number | Publication date |
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CN102245320B (zh) | 2015-09-02 |
EP2390016B1 (en) | 2015-01-07 |
US20110271731A1 (en) | 2011-11-10 |
KR101311598B1 (ko) | 2013-09-26 |
KR20110071026A (ko) | 2011-06-27 |
CN102245320A (zh) | 2011-11-16 |
WO2010073863A1 (ja) | 2010-07-01 |
EP2390016A1 (en) | 2011-11-30 |
ES2533620T3 (es) | 2015-04-13 |
JP4893858B2 (ja) | 2012-03-07 |
EP2390016A4 (en) | 2013-10-16 |
CA2743165C (en) | 2013-07-16 |
CA2743165A1 (en) | 2010-07-01 |
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