JP2007296539A - 溶接部特性の良好な電縫管の高能率製造方法 - Google Patents
溶接部特性の良好な電縫管の高能率製造方法 Download PDFInfo
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- JP2007296539A JP2007296539A JP2006124553A JP2006124553A JP2007296539A JP 2007296539 A JP2007296539 A JP 2007296539A JP 2006124553 A JP2006124553 A JP 2006124553A JP 2006124553 A JP2006124553 A JP 2006124553A JP 2007296539 A JP2007296539 A JP 2007296539A
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- electric resistance
- taper
- surface side
- roll
- resistance welded
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000000465 moulding Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 abstract description 24
- 230000007423 decrease Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000010953 base metal Substances 0.000 description 3
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- 239000003129 oil well Substances 0.000 description 3
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- 238000009958 sewing Methods 0.000 description 3
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
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Abstract
【解決手段】孔型ロール3による圧延によって帯材20の上面側の端部にテーパ形状を付与するとともに、フィンパス成形最終スタンド4aにおいて、帯材20の下面側の端部にテーパ形状を付与する。
【選択図】図1
Description
2 レベラー
3 孔型ロール
4 フィンパス成形スタンド
5 ロール成形機
6 誘導加熱装置
7 スクイズロール(電縫溶接部)
8 ビード部切削機
9 サイザー
10 管切断機
20 帯材
30 管
Claims (3)
- 帯材を成形し端部を突き合わせて電縫溶接し管とする電縫管の製造方法において、ロール成形前に、孔型ロールによる圧延によって帯材の一方の表面側の端部にテーパ形状を付与するとともに、ロール成形のフィンパス成形において、帯材の他方の表面側の端部にテーパ形状を付与することを特徴とする溶接部特性の良好な電縫管の高能率製造方法。
- 孔型ロールによる圧延によって帯材の上面側の端部にテーパ形状を付与するとともに、ロール成形のフィンパス成形において、帯材の下面側の端部にテーパ形状を付与することを特徴とする請求項1に記載の溶接部特性の良好な電縫管の高能率製造方法。
- いずれかの端部に付与するテーパ形状は、テーパの板厚方向に対する角度を25°〜50°として、テーパの板厚方向の長さを板厚の20%〜40%とすることを特徴とする請求項1または2に記載の溶接部特性に優れる電縫管の高能率製造方法。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006124553A JP5055823B2 (ja) | 2006-04-28 | 2006-04-28 | 溶接部特性の良好な電縫管の高能率製造方法 |
EP06823441.8A EP2000247B1 (en) | 2005-11-11 | 2006-11-09 | Method of producing seam-welded pipe having good welded portion characteristics |
PCT/JP2006/322793 WO2007055405A1 (ja) | 2005-11-11 | 2006-11-09 | 溶接部特性の良好な電縫管の製造方法 |
AU2006312544A AU2006312544B8 (en) | 2005-11-11 | 2006-11-09 | Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams |
RU2008118219/02A RU2417851C2 (ru) | 2005-11-11 | 2006-11-09 | Способ изготовления труб, получаемых контактной сваркой сопротивлением, имеющих улучшенные характеристики сварных швов |
US11/992,916 US8912462B2 (en) | 2005-11-11 | 2006-11-09 | Method of manufacturing electric resistance welding pipes having excellent characterization of welded seams |
KR1020087010508A KR101026971B1 (ko) | 2005-11-11 | 2006-11-09 | 용접부의 양호한 특성을 갖는 전기저항 용접관의 제조 방법 |
CN200680040896.XA CN101300103B (zh) | 2005-11-11 | 2006-11-09 | 制造具有极佳焊缝特性的电阻焊接管的方法 |
TW095141639A TW200726535A (en) | 2005-11-11 | 2006-11-10 | Fabricating method of seam welding tube having high-quality welding characteristic |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006124553A JP5055823B2 (ja) | 2006-04-28 | 2006-04-28 | 溶接部特性の良好な電縫管の高能率製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2007296539A true JP2007296539A (ja) | 2007-11-15 |
JP5055823B2 JP5055823B2 (ja) | 2012-10-24 |
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JP2006124553A Active JP5055823B2 (ja) | 2005-11-11 | 2006-04-28 | 溶接部特性の良好な電縫管の高能率製造方法 |
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JP (1) | JP5055823B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013151020A (ja) * | 2011-12-26 | 2013-08-08 | Jfe Steel Corp | 電縫鋼管の製造方法およびCr含有電縫鋼管 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02307686A (ja) * | 1989-05-24 | 1990-12-20 | Kawasaki Steel Corp | ステンレス電縫鋼管の製造方法 |
JPH0368740A (ja) * | 1989-08-03 | 1991-03-25 | Kobe Steel Ltd | 白色層幅の均一な厚肉小径電縫鋼管およびその製造方法 |
JPH03285790A (ja) * | 1990-03-30 | 1991-12-16 | Topy Ind Ltd | 平鋼材溶接開先部の成形法 |
JPH0489130A (ja) * | 1990-07-31 | 1992-03-23 | Sumitomo Metal Ind Ltd | 電縫管の製造方法 |
JPH04105709A (ja) * | 1990-08-22 | 1992-04-07 | Kobe Steel Ltd | 電縫鋼管の製造方法 |
-
2006
- 2006-04-28 JP JP2006124553A patent/JP5055823B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02307686A (ja) * | 1989-05-24 | 1990-12-20 | Kawasaki Steel Corp | ステンレス電縫鋼管の製造方法 |
JPH0368740A (ja) * | 1989-08-03 | 1991-03-25 | Kobe Steel Ltd | 白色層幅の均一な厚肉小径電縫鋼管およびその製造方法 |
JPH03285790A (ja) * | 1990-03-30 | 1991-12-16 | Topy Ind Ltd | 平鋼材溶接開先部の成形法 |
JPH0489130A (ja) * | 1990-07-31 | 1992-03-23 | Sumitomo Metal Ind Ltd | 電縫管の製造方法 |
JPH04105709A (ja) * | 1990-08-22 | 1992-04-07 | Kobe Steel Ltd | 電縫鋼管の製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013151020A (ja) * | 2011-12-26 | 2013-08-08 | Jfe Steel Corp | 電縫鋼管の製造方法およびCr含有電縫鋼管 |
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JP5055823B2 (ja) | 2012-10-24 |
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