JP7363832B2 - 鋼帯のレーザー切断方法、レーザー切断設備、冷間圧延方法、及び冷延鋼帯の製造方法 - Google Patents
鋼帯のレーザー切断方法、レーザー切断設備、冷間圧延方法、及び冷延鋼帯の製造方法 Download PDFInfo
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- JP7363832B2 JP7363832B2 JP2021021846A JP2021021846A JP7363832B2 JP 7363832 B2 JP7363832 B2 JP 7363832B2 JP 2021021846 A JP2021021846 A JP 2021021846A JP 2021021846 A JP2021021846 A JP 2021021846A JP 7363832 B2 JP7363832 B2 JP 7363832B2
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- 229910000831 Steel Inorganic materials 0.000 title claims description 94
- 239000010959 steel Substances 0.000 title claims description 94
- 238000003698 laser cutting Methods 0.000 title claims description 56
- 238000000034 method Methods 0.000 title claims description 48
- 238000005097 cold rolling Methods 0.000 title claims description 22
- 239000010960 cold rolled steel Substances 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 238000005520 cutting process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 description 20
- 238000005096 rolling process Methods 0.000 description 15
- 239000000956 alloy Substances 0.000 description 10
- 238000003466 welding Methods 0.000 description 10
- 229910000976 Electrical steel Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 238000005482 strain hardening Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000007716 flux method Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000289 melt material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/24—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/28—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by cold-rolling, e.g. Steckel cold mill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
- B21B2015/0021—Cutting or shearing the product in the rolling direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0092—Welding in the rolling direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/16—Bands or sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Metal Rolling (AREA)
- Laser Beam Processing (AREA)
Description
2 後行鋼帯
11 ノッチ
12 孔部
Claims (8)
- パルス式レーザー光を用いて先行鋼帯の後端部と後行鋼帯の先端部とを接合した接合部近傍を切断する鋼帯のレーザー切断方法であって、
前記パルス式レーザー光の出力を1msあたり0.5kw以上、前記パルス式レーザー光の加工点径を0.1mm以上0.6mm未満、パルス周期時間と休止時間との比を0.3以上0.8未満とすることを特徴とする鋼帯のレーザー切断方法。 - 前記パルス式レーザー光による切断部は、鋼帯の幅方向両端面と一つ以上の閉断面形状を含むことを特徴とする請求項1に記載の鋼帯のレーザー切断方法。
- 前記パルス式レーザー光に用いるガスとして0.5MPa以上の圧縮空気を用いることを特徴とする請求項1又は2に記載の鋼帯のレーザー切断方法。
- パルス式レーザー光を用いて先行鋼帯の後端部と後行鋼帯の先端部とを接合した接合部近傍を切断する鋼帯のレーザー切断設備であって、
前記パルス式レーザー光の出力を1msあたり0.5kw以上、前記パルス式レーザー光の加工点径を0.1mm以上0.6mm未満、パルス周期時間とパルス時間との比を0.3以上0.8未満とすることを特徴とする鋼帯のレーザー切断設備。 - 前記パルス式レーザー光による切断部は、鋼帯の幅方向両端面と一つ以上の閉断面形状を含むことを特徴とする請求項4に記載の鋼帯のレーザー切断設備。
- 前記パルス式レーザー光に用いるガスとして0.5MPa以上の圧縮空気を用いることを特徴とする請求項4又は5に記載の鋼帯のレーザー切断設備。
- 請求項1~3のうち、いずれか1項に記載の鋼帯のレーザー切断方法によって切断された鋼帯に対して冷間圧延を行うことを特徴とする鋼帯の冷間圧延方法。
- 請求項7に記載の鋼帯の冷間圧延方法を含む工程によって冷延鋼帯を製造することを特徴とする冷延鋼帯の製造方法。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021021846A JP7363832B2 (ja) | 2021-02-15 | 2021-02-15 | 鋼帯のレーザー切断方法、レーザー切断設備、冷間圧延方法、及び冷延鋼帯の製造方法 |
PCT/JP2021/039400 WO2022172515A1 (ja) | 2021-02-15 | 2021-10-26 | 鋼帯のレーザー切断方法、レーザー切断設備、冷間圧延方法、及び冷延鋼帯の製造方法 |
US18/276,488 US20240123542A1 (en) | 2021-02-15 | 2021-10-26 | Laser cutting method, laser cutting facility, and cold rolling method for steel strip, and method of manufacturing cold rolled steel strip |
EP21925762.3A EP4265368A4 (en) | 2021-02-15 | 2021-10-26 | LASER CUTTING METHOD FOR STEEL STRIP, LASER CUTTING EQUIPMENT, COLD ROLLING METHOD, AND METHOD FOR MANUFACTURING COLD ROLLED STEEL STRIP |
MX2023009516A MX2023009516A (es) | 2021-02-15 | 2021-10-26 | Metodo de corte por laser, instalacion de corte por laser y metodo de laminacion en frio para tira de acero, y metodo de fabricacion de tira de acero laminado en frio. |
KR1020237027108A KR20230130699A (ko) | 2021-02-15 | 2021-10-26 | 강대의 레이저 절단 방법, 레이저 절단 설비, 냉간압연 방법 및, 냉연 강대의 제조 방법 |
CN202180092600.3A CN116897093A (zh) | 2021-02-15 | 2021-10-26 | 钢带的激光切割方法、激光切割设备、冷轧方法和冷轧钢带的制造方法 |
TW110142524A TWI789118B (zh) | 2021-02-15 | 2021-11-16 | 鋼帶的雷射切斷方法、雷射切斷設備、鋼帶的冷軋方法以及冷軋鋼帶的製造方法 |
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JP2021021846A JP7363832B2 (ja) | 2021-02-15 | 2021-02-15 | 鋼帯のレーザー切断方法、レーザー切断設備、冷間圧延方法、及び冷延鋼帯の製造方法 |
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US (1) | US20240123542A1 (ja) |
EP (1) | EP4265368A4 (ja) |
JP (1) | JP7363832B2 (ja) |
KR (1) | KR20230130699A (ja) |
CN (1) | CN116897093A (ja) |
MX (1) | MX2023009516A (ja) |
TW (1) | TWI789118B (ja) |
WO (1) | WO2022172515A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003033805A (ja) | 2001-07-23 | 2003-02-04 | Mitsubishi Electric Corp | ストリップ接続装置 |
JP2017080806A (ja) | 2015-10-28 | 2017-05-18 | Jfeスチール株式会社 | 鋼帯のノッチング方法、冷間圧延方法および冷延鋼帯の製造方法 |
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JPS5876333U (ja) * | 1981-11-17 | 1983-05-23 | 三菱電機株式会社 | ストリツプの穴加工装置 |
JPS60115387A (ja) | 1983-11-25 | 1985-06-21 | Mitsubishi Electric Corp | レ−ザ−ビ−ムによる鋼板切り込み方法 |
JPS62182283A (ja) | 1986-02-07 | 1987-08-10 | Nippon Parkerizing Co Ltd | ステンレス鋼板に塗装下地皮膜を形成するための表面処理方法 |
JPH0576911A (ja) | 1991-09-17 | 1993-03-30 | Sumitomo Metal Ind Ltd | 鋼板のノツチング方法およびその装置 |
KR20150071169A (ko) * | 2013-12-18 | 2015-06-26 | 주식회사 포스코 | 고강도강의 사이드 트리밍 장치 및 방법 |
DE102015218649A1 (de) * | 2015-09-15 | 2017-03-16 | Schuler Automation Gmbh & Co. Kg | Vorrichtung zum Schneiden von Blechplatinen aus einem Blechband |
JP6238185B2 (ja) * | 2016-05-18 | 2017-11-29 | 株式会社アマダホールディングス | めっき鋼板のレーザ切断加工方法、レーザ切断加工品、熱切断加工方法、熱切断加工製品、表面処理鋼板及びレーザ切断方法並びにレーザ加工ヘッド |
TW202045289A (zh) * | 2019-05-29 | 2020-12-16 | 德商科希倫慕尼黑有限兩合公司 | 雷射鑽孔裝置及方法 |
CN110369872A (zh) * | 2019-08-15 | 2019-10-25 | 武汉宝悍焊接设备有限公司 | 光纤激光切割焊接取向硅钢带钢的加工工艺 |
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- 2021-10-26 WO PCT/JP2021/039400 patent/WO2022172515A1/ja active Application Filing
- 2021-10-26 MX MX2023009516A patent/MX2023009516A/es unknown
- 2021-10-26 US US18/276,488 patent/US20240123542A1/en active Pending
- 2021-10-26 EP EP21925762.3A patent/EP4265368A4/en active Pending
- 2021-10-26 CN CN202180092600.3A patent/CN116897093A/zh active Pending
- 2021-10-26 KR KR1020237027108A patent/KR20230130699A/ko unknown
- 2021-11-16 TW TW110142524A patent/TWI789118B/zh active
Patent Citations (2)
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JP2003033805A (ja) | 2001-07-23 | 2003-02-04 | Mitsubishi Electric Corp | ストリップ接続装置 |
JP2017080806A (ja) | 2015-10-28 | 2017-05-18 | Jfeスチール株式会社 | 鋼帯のノッチング方法、冷間圧延方法および冷延鋼帯の製造方法 |
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CN116897093A (zh) | 2023-10-17 |
TWI789118B (zh) | 2023-01-01 |
MX2023009516A (es) | 2023-08-24 |
EP4265368A4 (en) | 2024-06-19 |
KR20230130699A (ko) | 2023-09-12 |
WO2022172515A1 (ja) | 2022-08-18 |
US20240123542A1 (en) | 2024-04-18 |
EP4265368A1 (en) | 2023-10-25 |
JP2022124212A (ja) | 2022-08-25 |
TW202233341A (zh) | 2022-09-01 |
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