RU2610191C2 - Способ изготовления детали с криволинейным профилем и каркасный конструктивный элемент корпуса кузова автомобиля - Google Patents

Способ изготовления детали с криволинейным профилем и каркасный конструктивный элемент корпуса кузова автомобиля Download PDF

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RU2610191C2
RU2610191C2 RU2015106689A RU2015106689A RU2610191C2 RU 2610191 C2 RU2610191 C2 RU 2610191C2 RU 2015106689 A RU2015106689 A RU 2015106689A RU 2015106689 A RU2015106689 A RU 2015106689A RU 2610191 C2 RU2610191 C2 RU 2610191C2
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curved profile
sheet
punch
workpiece
clamp
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RU2015106689A
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RU2015106689A (ru
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Тосимицу АСО
Ясухару ТАНАКА
Такаси МИЯГИ
Мисао ОГАВА
Казуюки КАВАНО
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Ниппон Стил Энд Сумитомо Метал Корпорейшн
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    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/02—Die-cushions
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/04—Blank holders; Mounting means therefor
    • 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
    • B62D25/08—Front or rear portions
    • 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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12354—Nonplanar, uniform-thickness material having symmetrical channel shape or reverse fold [e.g., making acute angle, etc.]

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Body Structure For Vehicles (AREA)
RU2015106689A 2012-09-12 2013-09-05 Способ изготовления детали с криволинейным профилем и каркасный конструктивный элемент корпуса кузова автомобиля RU2610191C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2012200445 2012-09-12
JP2012-200445 2012-09-12
PCT/JP2013/073946 WO2014042067A1 (ja) 2012-09-12 2013-09-05 湾曲部品の製造方法および自動車のボディシェルの骨格構造部材

Publications (2)

Publication Number Publication Date
RU2015106689A RU2015106689A (ru) 2016-11-10
RU2610191C2 true RU2610191C2 (ru) 2017-02-08

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RU2015106689A RU2610191C2 (ru) 2012-09-12 2013-09-05 Способ изготовления детали с криволинейным профилем и каркасный конструктивный элемент корпуса кузова автомобиля

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US (1) US10179360B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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KR (1) KR101682839B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN104582870B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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IN (1) IN2015DN01290A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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RU (1) RU2610191C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TWI542421B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO2014042067A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA201501157B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101815795B1 (ko) * 2013-09-24 2018-01-05 신닛테츠스미킨 카부시키카이샤 모자형 단면 부품의 제조 장치
KR101850633B1 (ko) * 2013-10-24 2018-04-19 신닛테츠스미킨 카부시키카이샤 모자형 단면 부품의 제조 장치 및 제조 방법
JP5847212B2 (ja) * 2014-01-31 2016-01-20 東亜工業株式会社 熱間プレス装置
US10730092B2 (en) 2014-06-26 2020-08-04 Nippon Steel Corporation Pressed article manufacturing method and press mold
US10596613B2 (en) 2014-10-01 2020-03-24 Nippon Steel Corporation Producing method, producing apparatus and producing equipment line of press formed product
JP5967386B2 (ja) * 2014-12-03 2016-08-10 Ｊｆｅスチール株式会社 プレス成形方法およびその方法を用いた部品の製造方法並びにプレス成形装置
KR102043655B1 (ko) * 2014-12-22 2019-11-12 닛폰세이테츠 가부시키가이샤 해트형 단면 부품의 제조 방법
JP6359171B2 (ja) * 2015-02-27 2018-07-18 株式会社三五 プレス成形方法
MX381076B (es) * 2015-03-03 2025-03-12 Nippon Steel Corp Método de formación en prensa y aparato de formación en prensa.
JP6398797B2 (ja) * 2015-03-05 2018-10-03 トヨタ紡織株式会社 乗物用シート
JP6242363B2 (ja) 2015-03-31 2017-12-06 日新製鋼株式会社 成形材製造方法
WO2016194963A1 (ja) 2015-06-01 2016-12-08 新日鐵住金株式会社 プレス成形品、プレス成形方法、およびプレス成形装置
JP6543791B2 (ja) * 2015-06-04 2019-07-17 株式会社Ｓｕｂａｒｕ 樹脂成形体の製造方法及びプレス成形装置
JP6528701B2 (ja) * 2015-06-08 2019-06-12 株式会社デンソー 製造方法
CN105170798B (zh) * 2015-09-21 2017-03-08 南京力源轨道交通装备有限公司 铁路货车篷中车顶篷弯梁的加工模具
CA3007575C (en) * 2015-12-08 2019-10-22 Nippon Steel & Sumitomo Metal Corporation Pressed component manufacturing method, press, and press line
KR101940972B1 (ko) 2016-03-28 2019-01-21 신닛테츠스미킨 카부시키카이샤 프레스 성형품의 제조 방법
KR20190020125A (ko) * 2016-07-13 2019-02-27 신닛테츠스미킨 카부시키카이샤 핫 스탬프 성형품, 및 그것을 사용한 구조 부재, 그리고 핫 스탬프 성형품의 제조 방법
CN109414746B (zh) 2016-07-13 2021-03-26 日本制铁株式会社 热冲压成形品、汽车构件及热冲压成形品的制造方法
MX2019003975A (es) * 2016-10-05 2019-08-01 Nippon Steel Corp Metodo de fabricacion y aparato de fabricacion de articulos formados por prensado.
CN110402218B (zh) * 2017-03-15 2022-09-27 日本制铁株式会社 成形体、构造构件以及成形体的制造方法
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WO2019068345A1 (de) * 2017-10-06 2019-04-11 Thyssenkrupp Steel Europe Ag Verfahren und vorrichtung zur herstellung von geformten blechbauteilen mittels vorgeformten bauteilen
CN108213181A (zh) * 2017-12-29 2018-06-29 东莞市天合机电开发有限公司 一种模具方便更换的数字相机底板凹孔冲孔机构
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WO2020090872A1 (ja) * 2018-10-31 2020-05-07 竹内　忍 板材の加工を行う加工装置、及び加工方法
CN109500249A (zh) * 2018-12-18 2019-03-22 北奔重型汽车集团有限公司 一种车辆纵梁成型模具
WO2020149380A1 (ja) * 2019-01-17 2020-07-23 日本製鉄株式会社 プレス成形品の製造方法、及びプレスライン
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USD949442S1 (en) * 2019-04-23 2022-04-19 Epic Metals Corporation Roofing deck
JP7153273B2 (ja) * 2019-06-11 2022-10-14 トヨタ車体株式会社 車両用メンバー部品のプレス成形方法及びそのプレス金型
JP6753502B1 (ja) * 2019-09-30 2020-09-09 Ｊｆｅスチール株式会社 自動車用外板パネルのプレス成形方法及びプレス成形装置
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CN114160615B (zh) * 2021-11-23 2023-08-15 桂林航天工业学院 一种使用可变压边方式的双曲率弯曲装置的方法
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CN115138764A (zh) * 2022-08-17 2022-10-04 南京中车浦镇城轨车辆有限责任公司 一种弧长结构的鼓型轨道车辆弯梁成型装置及方法
GB2623337B (en) * 2022-10-13 2024-12-25 Cambridge Entpr Ltd Working of sheet metal

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2284873C2 (ru) * 2003-12-10 2006-10-10 Открытое акционерное общество "Калужский завод автомобильного электрооборудования" (ОАО "КЗАЭ") Способ изготовления направляющей стеклоподъемника
JP2009002411A (ja) * 2007-06-20 2009-01-08 Toyota Auto Body Co Ltd 樹脂成形品組付用のクリップ及びこれを用いた樹脂成形品の組付構造
JP2009255116A (ja) * 2008-04-15 2009-11-05 Nippon Steel Corp 形状凍結性に優れたプレス成形方法およびその装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1881517A (en) * 1930-06-27 1932-10-11 Hudson Motor Car Co Method and apparatus for forming body panels
JPS56117831A (en) * 1980-02-20 1981-09-16 Sumitomo Metal Ind Ltd Bending method
GB2094681B (en) * 1981-03-18 1984-11-21 Rockwell International Corp Bending
JPS5973120A (ja) * 1982-10-19 1984-04-25 Toyota Motor Corp プレス品の曲げ加工方法
JP2825138B2 (ja) * 1991-03-12 1998-11-18 トヨタ自動車株式会社 曲げ加工型
WO1993020963A1 (en) * 1992-04-20 1993-10-28 Kabushiki Kaisha Kanemitsu Method of manufacturing sheet metal rotary member
JP3812033B2 (ja) * 1997-02-17 2006-08-23 Ｊｆｅスチール株式会社 プレス成形方法
JP2002001445A (ja) * 2000-06-16 2002-01-08 Fuji Heavy Ind Ltd プレス成形方法
JP3839290B2 (ja) 2001-09-27 2006-11-01 株式会社神戸製鋼所 金属板の曲げ成形方法
JP4579505B2 (ja) 2002-09-11 2010-11-10 株式会社神戸製鋼所 金属板のプレス成形用金型および金属板のプレス成形方法
JP4412452B2 (ja) * 2002-11-01 2010-02-10 日産自動車株式会社 プレス成形方法、プレス成形型及び自動車用強度部材
US7117708B2 (en) * 2003-06-04 2006-10-10 Kobe Steel, Ltd. Die set for press forming metal sheet and press forming method of metal sheet
JP4438468B2 (ja) 2004-03-22 2010-03-24 Ｊｆｅスチール株式会社 プレス成形方法およびプレス成形装置
JP4264054B2 (ja) 2004-06-01 2009-05-13 株式会社神戸製鋼所 曲げ成形方法およびその成形方法に用いる成形金型
JP4582630B2 (ja) * 2004-12-10 2010-11-17 日新製鋼株式会社 衝撃吸収特性に優れた構造用部材のプレス成形方法
JP4908763B2 (ja) * 2005-02-04 2012-04-04 本田技研工業株式会社 塗装鋼板の成形方法
JP4576639B2 (ja) * 2005-05-16 2010-11-10 アイダエンジニアリング株式会社 プレス機械のダイクッション装置
JP4975386B2 (ja) * 2006-07-11 2012-07-11 新日本製鐵株式会社 形状凍結性に優れた多段プレス成形方法
JP4970900B2 (ja) * 2006-10-27 2012-07-11 アイダエンジニアリング株式会社 プレス加工法およびそれに用いる成形装置
JP2008307557A (ja) 2007-06-13 2008-12-25 Kobe Steel Ltd ２段プレス成形法
CN201186324Y (zh) * 2008-03-11 2009-01-28 无锡曙光模具有限公司 汽车后桥总成前横梁制造专用局部弯曲模具
JP2009241109A (ja) 2008-03-31 2009-10-22 Kobe Steel Ltd チャンネル部材の曲げ成形方法
MX349143B (es) * 2010-05-19 2017-07-14 Nippon Steel & Sumitomo Metal Corp Método para estampar componentes en forma de l.
JP2012051005A (ja) 2010-09-01 2012-03-15 Sumitomo Metal Ind Ltd プレス成形装置およびプレス成形品の製造方法
US9211579B2 (en) * 2010-11-24 2015-12-15 Nippon Steel & Sumitomo Metal Corporation Method of producing L-shaped product

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2284873C2 (ru) * 2003-12-10 2006-10-10 Открытое акционерное общество "Калужский завод автомобильного электрооборудования" (ОАО "КЗАЭ") Способ изготовления направляющей стеклоподъемника
JP2009002411A (ja) * 2007-06-20 2009-01-08 Toyota Auto Body Co Ltd 樹脂成形品組付用のクリップ及びこれを用いた樹脂成形品の組付構造
JP2009255116A (ja) * 2008-04-15 2009-11-05 Nippon Steel Corp 形状凍結性に優れたプレス成形方法およびその装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
В.П.РОМАНОВСКИЙ. СПРАВОЧНИК ПО ХОЛОДНОЙ ШТАМПОВКЕ. МАШИНОСТРОЕНИЕ, Л., 1973, с.617-619. *

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US10179360B2 (en) 2019-01-15
TW201420230A (zh) 2014-06-01
ZA201501157B (en) 2016-01-27
CN104582870B (zh) 2016-09-28
EP2896467B1 (en) 2020-08-19
JP5733475B2 (ja) 2015-06-10
BR112015004713A2 (pt) 2017-07-04
MX2015002525A (es) 2015-06-23
CA2882244A1 (en) 2014-03-20
EP2896467A1 (en) 2015-07-22
EP2896467A4 (en) 2016-06-15
CA2882244C (en) 2017-06-06
MX365479B (es) 2019-06-05
WO2014042067A1 (ja) 2014-03-20
ES2823726T3 (es) 2021-05-10
JPWO2014042067A1 (ja) 2016-08-18
RU2015106689A (ru) 2016-11-10
KR101682839B1 (ko) 2016-12-05
MY181405A (en) 2020-12-21
KR20150038417A (ko) 2015-04-08
IN2015DN01290A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2015-07-03
TWI542421B (zh) 2016-07-21
CN104582870A (zh) 2015-04-29
US20150224563A1 (en) 2015-08-13

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