KR20030005591A - 가공부위 열처리에 의한 하이드로포밍 성형방법 - Google Patents
가공부위 열처리에 의한 하이드로포밍 성형방법 Download PDFInfo
- Publication number
- KR20030005591A KR20030005591A KR1020010040953A KR20010040953A KR20030005591A KR 20030005591 A KR20030005591 A KR 20030005591A KR 1020010040953 A KR1020010040953 A KR 1020010040953A KR 20010040953 A KR20010040953 A KR 20010040953A KR 20030005591 A KR20030005591 A KR 20030005591A
- Authority
- KR
- South Korea
- Prior art keywords
- heat treatment
- hydroforming
- cooling
- molding
- present
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000000465 moulding Methods 0.000 claims abstract description 21
- 238000010791 quenching Methods 0.000 claims abstract description 12
- 230000000171 quenching effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000007664 blowing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 4
- 239000012778 molding material Substances 0.000 description 3
- 238000004904 shortening Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/053—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure characterised by the material of the blanks
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
Description
Claims (4)
- 하이드로포밍 성형방법에 있어서,A) 하이드로포밍 성형 가공전 예비가공, 굽힘가공, 예비성형된 재료의 가공부위를 부분 열처리하는 단계;B) 상기 열처리 후 방냉, 강제송풍, 방치, 및 급냉하여 재료를 연화시키는 단계; 및C) 상기 연화된 재료를 하이드로포밍 성형하는 단계로 이루어진 것을 특징으로 하는 가공부위 열처리에 의한 하이드로포밍 성형방법.
- 제 1 항에 있어서, 상기 가공열처리는 고주파 열처리, 화염열처리, 레이저 열처리, 또는 근적외선(Near Infrared Ray) 조사 열처리를 실시하는 것을 특징으로 하는 가공부위 열처리에 의한 하이드로포밍 성형방법.
- 제 1 항에 있어서, 상기 열처리는 가열온도 600 ∼ 950 ℃ 범위에서 5초 ∼ 10분 동안 수행하는 것을 특징으로 하는 가공부위 열처리에 의한 하이드로포밍 성형방법.
- 제 1 항에 있어서, 상기 급냉은 수냉, 수용성 소입액 냉각, 및 유냉 방법 중에서 선택되는 방법으로 수행하는 것을 특징으로 하는 가공부위 열처리에 의한 하이드로포밍 성형방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010040953A KR20030005591A (ko) | 2001-07-09 | 2001-07-09 | 가공부위 열처리에 의한 하이드로포밍 성형방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010040953A KR20030005591A (ko) | 2001-07-09 | 2001-07-09 | 가공부위 열처리에 의한 하이드로포밍 성형방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20030005591A true KR20030005591A (ko) | 2003-01-23 |
Family
ID=27714066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020010040953A KR20030005591A (ko) | 2001-07-09 | 2001-07-09 | 가공부위 열처리에 의한 하이드로포밍 성형방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20030005591A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101443439B1 (ko) * | 2012-06-28 | 2014-09-24 | 현대제철 주식회사 | 고온 하이드로포밍을 이용한 부품 제조방법 |
US9670560B2 (en) | 2013-09-17 | 2017-06-06 | Hyundai Motor Company | Method for laser heat treatment to improve formability of advanced high strength steels |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3927449A (en) * | 1973-12-03 | 1975-12-23 | Caterpillar Tractor Co | Formed one-piece hollow roller shaft |
EP0848069A2 (de) * | 1996-12-03 | 1998-06-17 | MANNESMANN Aktiengesellschaft | Verfahren zur Herstellung von korrosionsbeständigen Flaschen oder Behältern aus Stahl |
US5868023A (en) * | 1996-09-25 | 1999-02-09 | Alusuisse Technology & Management Ltd. | Process for manufacturing hollow bodies |
JP2000017338A (ja) * | 1998-07-07 | 2000-01-18 | Nippon Steel Corp | ハイドロフォーム成形用電縫鋼管の製造方法 |
JP2002275535A (ja) * | 2001-03-15 | 2002-09-25 | Kawasaki Steel Corp | 歪み時効性を有するハイドロフォーミング用鋼管の製造方法 |
-
2001
- 2001-07-09 KR KR1020010040953A patent/KR20030005591A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3927449A (en) * | 1973-12-03 | 1975-12-23 | Caterpillar Tractor Co | Formed one-piece hollow roller shaft |
US5868023A (en) * | 1996-09-25 | 1999-02-09 | Alusuisse Technology & Management Ltd. | Process for manufacturing hollow bodies |
EP0848069A2 (de) * | 1996-12-03 | 1998-06-17 | MANNESMANN Aktiengesellschaft | Verfahren zur Herstellung von korrosionsbeständigen Flaschen oder Behältern aus Stahl |
JP2000017338A (ja) * | 1998-07-07 | 2000-01-18 | Nippon Steel Corp | ハイドロフォーム成形用電縫鋼管の製造方法 |
JP2002275535A (ja) * | 2001-03-15 | 2002-09-25 | Kawasaki Steel Corp | 歪み時効性を有するハイドロフォーミング用鋼管の製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101443439B1 (ko) * | 2012-06-28 | 2014-09-24 | 현대제철 주식회사 | 고온 하이드로포밍을 이용한 부품 제조방법 |
US9670560B2 (en) | 2013-09-17 | 2017-06-06 | Hyundai Motor Company | Method for laser heat treatment to improve formability of advanced high strength steels |
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