JP4388340B2 - 自動車用強度部材 - Google Patents
自動車用強度部材 Download PDFInfo
- Publication number
- JP4388340B2 JP4388340B2 JP2003345626A JP2003345626A JP4388340B2 JP 4388340 B2 JP4388340 B2 JP 4388340B2 JP 2003345626 A JP2003345626 A JP 2003345626A JP 2003345626 A JP2003345626 A JP 2003345626A JP 4388340 B2 JP4388340 B2 JP 4388340B2
- Authority
- JP
- Japan
- Prior art keywords
- corner
- bending
- cross
- collision
- reaction force
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000005452 bending Methods 0.000 description 44
- 238000006243 chemical reaction Methods 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 238000005336 cracking Methods 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 239000013585 weight reducing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000007545 Vickers hardness test Methods 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
-
- 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
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J5/00—Doors
- B60J5/04—Doors arranged at the vehicle sides
- B60J5/042—Reinforcement elements
- B60J5/0422—Elongated type elements, e.g. beams, cables, belts or wires
- B60J5/0438—Elongated type elements, e.g. beams, cables, belts or wires characterised by the type of elongated elements
- B60J5/0443—Beams
- B60J5/0444—Beams characterised by a special cross section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/15—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body
- B62D21/157—Understructures, i.e. chassis frame on which a vehicle body may be mounted having impact absorbing means, e.g. a frame designed to permanently or temporarily change shape or dimension upon impact with another body for side impacts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
- B62D29/007—Superstructures, understructures, or sub-units thereof, characterised by the material thereof predominantly of special steel or specially treated steel, e.g. stainless steel or locally surface hardened steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49616—Structural member making
- Y10T29/49622—Vehicular structural member making
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Body Structure For Vehicles (AREA)
Description
R1≦1.5t ・ ・ ・(1)
tR≧1.1t ・ ・ ・(2)
R1≧R2 ・ ・ ・(3)
t;辺の板厚(mm)
tR;コーナーの板厚(mm)
R1;外側コーナーR(mm)
R2;内側コーナーR(mm)
R1≦1.5t ・ ・ ・(1)
tR≧1.1t ・ ・ ・(2)
R1≧R2 ・ ・ ・(3)
R1 外側コーナーR(mm)
R2 内側コーナーR(mm)
t 向かいあった一対の辺の板厚(mm)
Claims (2)
- 断面が正方形を成し、コーナー以外の各辺の板厚が同じ角鋼管であり、下記の(1)〜(3)式を同時に満たし、且つ、引張強さで690MPa以上の強度を有することを特徴とする自動車用強度部材。
R1≦1.5t ・ ・ ・(1)
tR≧1.1t ・ ・ ・(2)
R1≧R2 ・ ・ ・(3)
t;辺の板厚(mm)
tR;コーナーの板厚(mm)
R1;外側コーナーR(mm)
R2;内側コーナーR(mm) - 前記角鋼管の断面における硬さの最大値および最小値がともに、断面全体の平均値の±30%以内の範囲であることを特徴とする請求項1記載の自動車用強度部材。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003345626A JP4388340B2 (ja) | 2003-10-03 | 2003-10-03 | 自動車用強度部材 |
US10/956,918 US7648191B2 (en) | 2003-10-03 | 2004-09-30 | Automobile strength member |
KR1020040078426A KR100619295B1 (ko) | 2003-10-03 | 2004-10-01 | 자동차용 강도 부재 |
EP04023394.2A EP1520741B1 (en) | 2003-10-03 | 2004-10-01 | Automobile strength member, particularly side impact beam |
CNB2004100807248A CN1325837C (zh) | 2003-10-03 | 2004-10-08 | 机动车用强度部件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003345626A JP4388340B2 (ja) | 2003-10-03 | 2003-10-03 | 自動車用強度部材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005112031A JP2005112031A (ja) | 2005-04-28 |
JP4388340B2 true JP4388340B2 (ja) | 2009-12-24 |
Family
ID=34309159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003345626A Expired - Lifetime JP4388340B2 (ja) | 2003-10-03 | 2003-10-03 | 自動車用強度部材 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7648191B2 (ja) |
EP (1) | EP1520741B1 (ja) |
JP (1) | JP4388340B2 (ja) |
KR (1) | KR100619295B1 (ja) |
CN (1) | CN1325837C (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4388340B2 (ja) * | 2003-10-03 | 2009-12-24 | 新日本製鐵株式会社 | 自動車用強度部材 |
JP4572674B2 (ja) * | 2004-12-02 | 2010-11-04 | 住友金属工業株式会社 | 衝撃吸収部材 |
EP2527233B1 (en) * | 2007-04-04 | 2014-05-14 | Nippon Steel & Sumitomo Metal Corporation | Strength member for an automobile body |
DE102009039710B4 (de) * | 2009-08-28 | 2014-03-20 | V&M Deutschland Gmbh | Verfahren zur Herstellung warmgewalzter Hohlprofile mit kleinen Kantenradien, Hohlprofil und Verwendung des Hohlprofils |
US8727421B2 (en) | 2011-08-31 | 2014-05-20 | Shape Corp. | Door beam assembly with roll formed beam |
KR101381115B1 (ko) * | 2012-05-16 | 2014-04-04 | (주)피에스테크 | 곡률반경 조정효과를 이용한 각형강관 버팀보 |
US9937902B2 (en) | 2013-11-21 | 2018-04-10 | Paul L. Klassy | Landing gear with cross-port disable valve and supplemental electronic limit switch travel limiter |
US9469281B2 (en) | 2013-11-21 | 2016-10-18 | Paul L. Klassy | External mid-mount drive for powered landing gear with cross-port disable valve travel limiter |
JP6170895B2 (ja) * | 2014-10-22 | 2017-07-26 | 株式会社神戸製鋼所 | 自動車用耐衝突部品 |
US9821854B2 (en) | 2015-11-24 | 2017-11-21 | Honda Motor Co., Ltd. | Side sill for a vehicle body |
CN109496183B (zh) * | 2016-07-28 | 2021-12-31 | 日本制铁株式会社 | 汽车的外装板 |
JP6322329B1 (ja) * | 2017-11-22 | 2018-05-09 | 株式会社神戸製鋼所 | ドアビーム |
US11173771B2 (en) * | 2018-01-26 | 2021-11-16 | Nippon Steel Corporation | Impact absorption member |
CN110726064A (zh) | 2018-07-17 | 2020-01-24 | 欣诺冷弯型钢产业研究院(曹妃甸)有限公司 | 一种角部增厚冷热复合成型的方矩形钢管及制备方法 |
EP3912839B1 (en) * | 2019-01-15 | 2023-08-23 | Nippon Steel Corporation | Automobile door |
US20220161857A1 (en) * | 2019-03-28 | 2022-05-26 | Nippon Steel Corporation | Frame member and vehicle body structure |
KR102635290B1 (ko) * | 2019-06-28 | 2024-02-08 | 닛폰세이테츠 가부시키가이샤 | 충격 흡수 부재, 충격 흡수 부재의 제조 방법, 및, 냉간 소성 가공용 강판의 제조 방법 |
CN111422042A (zh) * | 2020-04-03 | 2020-07-17 | 中铝材料应用研究院有限公司 | 一种货车驾驶室车门 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3209432A (en) * | 1963-12-23 | 1965-10-05 | Ford Motor Co | Method for fabricating a structural member |
SE434245B (sv) * | 1982-02-01 | 1984-07-16 | Dobel Ab | Skyddsbalk, samt forfarande for dess framstellning |
GB8505491D0 (en) | 1985-03-04 | 1985-04-03 | Bekaert Sa Nv | Heat treatment of steel |
US4826238A (en) * | 1986-12-01 | 1989-05-02 | Honda Giken Kogyo Kabushiki Kaisha | Side sill for automotive vehicle |
JP2811226B2 (ja) | 1990-07-02 | 1998-10-15 | 新日本製鐵株式会社 | 車体補強用鋼管 |
JPH0463720A (ja) * | 1990-07-03 | 1992-02-28 | Masanobu Nakamura | 車体の衝撃吸収材 |
JP2933996B2 (ja) * | 1990-07-18 | 1999-08-16 | 新日本製鐵株式会社 | 車体補強用鋼管 |
US5232261A (en) | 1992-06-04 | 1993-08-03 | Nhk Spring Co., Ltd. | Door impact beam for an automobile |
JPH06534A (ja) | 1992-06-18 | 1994-01-11 | Nippon Steel Corp | 曲げ特性の優れた超高張力電縫鋼管 |
JPH06106978A (ja) * | 1992-09-29 | 1994-04-19 | Nippon Steel Corp | 曲げ特性の優れた超高張力異形電縫鋼管 |
JPH06199193A (ja) * | 1993-01-06 | 1994-07-19 | Nippon Steel Corp | 自動車バンパー補強材 |
JP3211451B2 (ja) * | 1993-02-05 | 2001-09-25 | アイシン精機株式会社 | 車両用ドアインパクトビーム |
JPH06278458A (ja) | 1993-03-29 | 1994-10-04 | Nippon Steel Corp | 自動車ドア補強材用角管 |
JP3779335B2 (ja) * | 1993-09-22 | 2006-05-24 | 日本発条株式会社 | キャブオーバ−形運転室を有する車両のドアビーム |
JP3023657B2 (ja) * | 1995-09-25 | 2000-03-21 | 本田技研工業株式会社 | 自動2輪車のリヤスイングアーム |
JP2990057B2 (ja) * | 1996-03-13 | 1999-12-13 | アイシン軽金属株式会社 | 車体側部のエネルギー吸収構造 |
DE19733191A1 (de) * | 1997-07-31 | 1999-02-18 | Porsche Ag | Querträger für Fahrzeuge |
US6513242B1 (en) * | 1997-08-15 | 2003-02-04 | Dana Corporation | Method of manufacturing a vehicle body and frame assembly including hydroformed side rails |
US5813719A (en) * | 1997-09-25 | 1998-09-29 | Trim Trends, Inc. | Side intrusion beam assembly having compensating welds at brackets |
US5868456A (en) | 1997-09-29 | 1999-02-09 | Trim Trends, Inc. | Selectively heat treated side intrusion beams and method for making the same |
JP3266099B2 (ja) * | 1998-03-27 | 2002-03-18 | 株式会社神戸製鋼所 | アルミニウム合金製ドアビーム |
US6020039A (en) * | 1998-04-21 | 2000-02-01 | Inland Steel Company | Automobile door impact beam |
JP3887542B2 (ja) * | 2001-02-26 | 2007-02-28 | 新日本製鐵株式会社 | 自動車用構造部材 |
JP3854812B2 (ja) * | 2001-03-27 | 2006-12-06 | 新日本製鐵株式会社 | 自動車用強度部材 |
US6722037B2 (en) * | 2001-12-06 | 2004-04-20 | Shape Corporation | Variable thickness tubular doorbeam |
SE523371C2 (sv) | 2001-08-31 | 2004-04-13 | Accra Teknik Ab | Balk |
EP1329363A1 (de) * | 2002-01-16 | 2003-07-23 | Alcan Technology & Management AG | Energieabsorbierendes Deformationselement für Fahrzeuge |
JP3967926B2 (ja) * | 2002-01-17 | 2007-08-29 | アイシン精機株式会社 | 自動車用ドアインパクトビーム |
DE10320971B3 (de) * | 2003-05-09 | 2004-09-16 | Dr.Ing.H.C. F. Porsche Ag | Seitenaufprallschutzeinrichtung sowie Kraftfahrzeugtür mit einer Seitenaufprallschutzeinrichtung |
JP4388340B2 (ja) * | 2003-10-03 | 2009-12-24 | 新日本製鐵株式会社 | 自動車用強度部材 |
WO2005058625A1 (ja) * | 2003-12-17 | 2005-06-30 | Sumitomo Metal Industries Ltd. | 車体補強用金属管およびこれを用いた車体補強用部材 |
US20050279049A1 (en) * | 2004-06-22 | 2005-12-22 | Mackenzie Steven K | Internally reinforced hydroformed assembly and method of making same |
US7188876B2 (en) * | 2004-09-14 | 2007-03-13 | General Electric Company | Bumper assembly including energy absorber with vertical translation crush lobes |
DE102005036292B4 (de) * | 2005-03-21 | 2007-11-08 | Dura Automotive Plettenberg Entwicklungs- Und Vertriebs Gmbh | Seitenaufprallträger für ein Kraftfahrzeug |
DE102005062299A1 (de) * | 2005-12-24 | 2007-06-28 | Dr.Ing.H.C. F. Porsche Ag | Kraftfahrzeugtür mit einer Seitenaufprallschutzeinrichtung |
DE102006060052A1 (de) * | 2006-12-19 | 2008-06-26 | Trw Airbag Systems Gmbh | Fahrzeugaufprallschutzsystem |
-
2003
- 2003-10-03 JP JP2003345626A patent/JP4388340B2/ja not_active Expired - Lifetime
-
2004
- 2004-09-30 US US10/956,918 patent/US7648191B2/en active Active
- 2004-10-01 EP EP04023394.2A patent/EP1520741B1/en not_active Expired - Fee Related
- 2004-10-01 KR KR1020040078426A patent/KR100619295B1/ko active IP Right Grant
- 2004-10-08 CN CNB2004100807248A patent/CN1325837C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1603676A (zh) | 2005-04-06 |
US20050073170A1 (en) | 2005-04-07 |
EP1520741A3 (en) | 2007-03-07 |
EP1520741B1 (en) | 2013-05-15 |
JP2005112031A (ja) | 2005-04-28 |
CN1325837C (zh) | 2007-07-11 |
US7648191B2 (en) | 2010-01-19 |
EP1520741A2 (en) | 2005-04-06 |
KR20050033455A (ko) | 2005-04-12 |
KR100619295B1 (ko) | 2006-09-12 |
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