JP2011508673A - 磁気浮上式鉄道軌道用の形鋼及びその圧延方法 - Google Patents
磁気浮上式鉄道軌道用の形鋼及びその圧延方法 Download PDFInfo
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- 238000005096 rolling process Methods 0.000 title claims abstract description 213
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 238000005339 levitation Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 230000003187 abdominal effect Effects 0.000 claims abstract description 22
- 210000001015 abdomen Anatomy 0.000 claims abstract description 15
- 230000002441 reversible effect Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 29
- 238000005098 hot rolling Methods 0.000 abstract description 5
- 239000012467 final product Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 16
- 239000000047 product Substances 0.000 description 15
- 239000011265 semifinished product Substances 0.000 description 10
- 238000011160 research Methods 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 102100031497 Heparan sulfate N-sulfotransferase 1 Human genes 0.000 description 2
- 101000588589 Homo sapiens Heparan sulfate N-sulfotransferase 1 Proteins 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 229910000870 Weathering steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/085—Rail sections
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0252—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment with application of tension
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Abstract
【選択図】図1
Description
Claims (14)
- 横断面がF形であり、
斜脚(1)の中心線と腹板(2)の下部表面とのなす角θを有し、水平の突出部(4)の上下両表面が、それぞれ腹板(2)の上下両表面と互いに平行又は面一となっており、直脚(3)が、腹板(2)と水平の突出部(4)との連結部に配置されている、磁気浮上式軌道用形鋼。 - 前記斜脚(1)及び前記直脚(3)が前記腹板の下部表面に対する垂直の高さが同一である、請求項1に記載の磁気浮上式軌道用形鋼。
- 当該形鋼の各コーナ部が、円弧状である、請求項1に記載の磁気浮上式軌道用形鋼。
- 前記斜脚(1)と前記腹板(2)の下部表面とのなす角θの角度が、92〜120°である、請求項1に記載の磁気浮上式軌道用形鋼。
- 前記斜脚(1)と前記腹板(2)の下部表面とのなす角θの角度が、95〜105°である、請求項4に記載の磁気浮上式軌道用形鋼。
- 前記水平の突出部(4)の上下両表面と、前記腹板(2)の上下両表面とが、平行又は面一となっている、請求項1に記載の磁気浮上式軌道用形鋼。
- 粗圧延工程、仕上圧延工程、冷却工程及び矯正工程を順次に含む、請求項1〜6のいずれか一項に記載の磁気浮上式軌道用形鋼の圧延方法において、
前記粗圧延工程では、2ロール可逆式圧延機を用いて圧延を行い、前記2ロール可逆式圧延機の最大圧延荷重が、8000〜10000KNであり、圧延変形量が、総変形量の60〜90%を占めており、
前記仕上圧延工程では、3台のユニバーサル連続圧延機列を用いて連続圧延を行う、磁気浮上式軌道用形鋼の圧延方法。 - 前記粗圧延工程において、前記2ロール可逆式圧延機の最大圧延荷重が8000〜9000KNである、請求項7に記載の磁気浮上式軌道用形鋼の圧延方法。
- 前記粗圧延工程において、圧延開始温度が1150〜1200℃であり、圧延終了温度が950〜1000℃である、請求項7に記載の磁気浮上式軌道用形鋼の圧延方法。
- 前記仕上圧延工程において、圧延荷重が8000〜15000KNであり、厚さ精度が±0.1mmであり、圧延開始温度が800〜840℃であり、圧延終了温度が750〜850℃であり、この段階において、残りの変形を完了させる、請求項7に記載の磁気浮上式軌道用形鋼の圧延方法。
- 前記ユニバーサル連続圧延機列において、ロールの長さが比較的短いユニバーサル水平ロールを用いて、ロールの長さが比較的長いSロールに取って代わる、請求項7に記載の磁気浮上式軌道用形鋼の圧延方法。
- 前記ユニバーサル圧延機が、左右2つの垂直ロールを更に有し、圧延機の制御システムが、前記上下2つの水平ロール及び前記左右2つの垂直ロールに対して同時に制御を行うことによって、圧延工程を完成しており、前記上下2つの水平ロールが主動ロールであり、前記左右2つの垂直ロールが従動ロールである、請求項10に記載の磁気浮上式軌道用形鋼の圧延方法。
- 矩形の未加工品を冷たい状態で又は熱い状態で炉に入れ、1200℃〜1250℃までに加熱してから、炉から取り出して、高圧水によるバリ取りを行い、前記バリ取りの圧力が10〜20MPaである、請求項7に記載の磁気浮上式軌道用形鋼の圧延方法。
- 圧延材を150℃以下まで冷却した後、矯正機に入れて矯正を行う、請求項7に記載の磁気浮上式軌道用形鋼の圧延方法。
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Application Number | Priority Date | Filing Date | Title |
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CN2007101163010A CN101214494B (zh) | 2007-12-29 | 2007-12-29 | 一种磁悬浮列车轨道用异型钢的轧制工艺 |
CN200710116301.0 | 2007-12-29 | ||
PCT/CN2008/002124 WO2009094848A1 (fr) | 2007-12-29 | 2008-12-29 | Acier profilé utilisé pour un rail de train à suspension magnétique et procédés de laminage |
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JP2011508673A true JP2011508673A (ja) | 2011-03-17 |
JP5233023B2 JP5233023B2 (ja) | 2013-07-10 |
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JP (1) | JP5233023B2 (ja) |
KR (1) | KR101244269B1 (ja) |
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WO (1) | WO2009094848A1 (ja) |
Cited By (1)
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CN105689390A (zh) * | 2016-03-10 | 2016-06-22 | 天津市中重科技工程有限公司 | 一种紧凑式万能轧机半连续轧制型钢的方法 |
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CN101386022B (zh) * | 2008-10-22 | 2011-11-23 | 河北吉泰特钢集团有限公司 | 船用热轧t型钢生产工艺 |
CN102049415B (zh) * | 2009-11-06 | 2014-04-16 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种钢轨轧制方法 |
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CN105689390A (zh) * | 2016-03-10 | 2016-06-22 | 天津市中重科技工程有限公司 | 一种紧凑式万能轧机半连续轧制型钢的方法 |
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