JP7435895B2 - 金属板の遅れ破壊特性改善方法、ブランク材の製造方法、及びプレス成形品の製造方法 - Google Patents
金属板の遅れ破壊特性改善方法、ブランク材の製造方法、及びプレス成形品の製造方法 Download PDFInfo
- Publication number
- JP7435895B2 JP7435895B2 JP2023502853A JP2023502853A JP7435895B2 JP 7435895 B2 JP7435895 B2 JP 7435895B2 JP 2023502853 A JP2023502853 A JP 2023502853A JP 2023502853 A JP2023502853 A JP 2023502853A JP 7435895 B2 JP7435895 B2 JP 7435895B2
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- Prior art keywords
- bending
- metal plate
- delayed fracture
- end surface
- unbending
- Prior art date
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Links
- 238000000034 method Methods 0.000 title claims description 115
- 230000003111 delayed effect Effects 0.000 title claims description 58
- 239000002184 metal Substances 0.000 title claims description 41
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 239000000463 material Substances 0.000 title claims description 15
- 238000005452 bending Methods 0.000 claims description 106
- 230000008569 process Effects 0.000 claims description 69
- 238000010008 shearing Methods 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 238000012545 processing Methods 0.000 claims description 11
- 230000006872 improvement Effects 0.000 description 12
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 8
- 101000836268 Homo sapiens U4/U6.U5 tri-snRNP-associated protein 1 Proteins 0.000 description 7
- 102100027244 U4/U6.U5 tri-snRNP-associated protein 1 Human genes 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 7
- 101100270106 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) ARA2 gene Proteins 0.000 description 6
- 238000005259 measurement Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 101000633984 Homo sapiens Influenza virus NS1A-binding protein Proteins 0.000 description 4
- 102100029241 Influenza virus NS1A-binding protein Human genes 0.000 description 4
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007665 sagging Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/06—Removing local distortions
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021146245 | 2021-09-08 | ||
| JP2021146245 | 2021-09-08 | ||
| PCT/JP2022/032988 WO2023037961A1 (ja) | 2021-09-08 | 2022-09-01 | 金属板の遅れ破壊特性改善方法、ブランク材の製造方法、プレス成形品の製造方法、及びプレス成形品 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2023037961A1 JPWO2023037961A1 (zh) | 2023-03-16 |
| JPWO2023037961A5 JPWO2023037961A5 (zh) | 2023-08-16 |
| JP7435895B2 true JP7435895B2 (ja) | 2024-02-21 |
Family
ID=85506679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023502853A Active JP7435895B2 (ja) | 2021-09-08 | 2022-09-01 | 金属板の遅れ破壊特性改善方法、ブランク材の製造方法、及びプレス成形品の製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP7435895B2 (zh) |
| KR (1) | KR20240046543A (zh) |
| CN (1) | CN117897239A (zh) |
| WO (1) | WO2023037961A1 (zh) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006224151A (ja) | 2005-02-18 | 2006-08-31 | Nippon Steel Corp | 高強度鋼板の打ち抜き加工方法 |
| JP2017125228A (ja) | 2016-01-13 | 2017-07-20 | Ｊｆｅスチール株式会社 | 成形部材の製造方法 |
| JP2020111828A (ja) | 2019-01-16 | 2020-07-27 | Ｊｆｅスチール株式会社 | プレス成形品の製造方法およびプレス成形品 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855128A (ja) * | 1981-09-28 | 1983-04-01 | Nippon Steel Metal Prod Co Ltd | 溝形鋼の連続冷間ロ−ル成形方法及びその装置 |
| JPH06530Y2 (ja) | 1988-10-28 | 1994-01-05 | 新日軽株式会社 | サッシの錠装置 |
| JPH09122756A (ja) * | 1995-10-31 | 1997-05-13 | Kawasaki Steel Corp | ローラレベラの長手方向反り制御方法 |
| JP7059572B2 (ja) * | 2017-11-10 | 2022-04-26 | 日本製鉄株式会社 | 溶接継手の製造方法及び溶接継手 |
| JP2019218643A (ja) * | 2018-06-17 | 2019-12-26 | 株式会社寿製作所 | 金属製ヘルド、及び金属製ヘルドの製造方法 |
| JP6839315B1 (ja) | 2020-03-17 | 2021-03-03 | 有限会社中川商会 | 被処理物の表面改質方法 |
-
2022
- 2022-09-01 WO PCT/JP2022/032988 patent/WO2023037961A1/ja active Application Filing
- 2022-09-01 CN CN202280059756.6A patent/CN117897239A/zh active Pending
- 2022-09-01 JP JP2023502853A patent/JP7435895B2/ja active Active
- 2022-09-01 KR KR1020247007801A patent/KR20240046543A/ko unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006224151A (ja) | 2005-02-18 | 2006-08-31 | Nippon Steel Corp | 高強度鋼板の打ち抜き加工方法 |
| JP2017125228A (ja) | 2016-01-13 | 2017-07-20 | Ｊｆｅスチール株式会社 | 成形部材の製造方法 |
| JP2020111828A (ja) | 2019-01-16 | 2020-07-27 | Ｊｆｅスチール株式会社 | プレス成形品の製造方法およびプレス成形品 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2023037961A1 (ja) | 2023-03-16 |
| CN117897239A (zh) | 2024-04-16 |
| JPWO2023037961A1 (zh) | 2023-03-16 |
| KR20240046543A (ko) | 2024-04-09 |
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