JP2006116552A - 閉断面構造体の製造方法 - Google Patents
閉断面構造体の製造方法 Download PDFInfo
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- JP2006116552A JP2006116552A JP2004304011A JP2004304011A JP2006116552A JP 2006116552 A JP2006116552 A JP 2006116552A JP 2004304011 A JP2004304011 A JP 2004304011A JP 2004304011 A JP2004304011 A JP 2004304011A JP 2006116552 A JP2006116552 A JP 2006116552A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims description 21
- 239000002184 metal Substances 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 16
- 239000011265 semifinished product Substances 0.000 abstract description 38
- 238000010586 diagram Methods 0.000 description 9
- 238000003754 machining Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
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Abstract
【解決手段】金属平板15をプレス成形することで,断面平坦な連結部12′の両端から一対の閉断面構造体半部11,11を立ち上がらせてなる半成品10bを製作する工程と,両閉断面構造体半部11,11の間に挿入した偏平パンチ25により連結部12′を内側から押圧して断面V字状の屈曲部12に成形しながら両閉断面構造体半部11,11を更に立ち上がらせる工程と,両閉断面構造体半部11,11間から偏平パンチ25を引き上げた後,両閉断面構造体半部11の外端を相互に突き合わせて溶接する工程とを順次実行する。
【選択図】 図2
Description
10b,110c,210b,310c・・・半成品
11,111,211,311・・・閉断面構造体半部
12,112,212,312・・・屈曲部
12′,112′,212′,312′・・・平坦部
13,113,213,313・・・溶接部
15,115,215,315・・・金属平板
25,125,225,325・・・パンチ
Claims (2)
- 金属平板(15,115,215,315)をプレス成形することで,断面平坦な連結部(12′,112′,212′,312′)の両端から一対の閉断面構造体半部(11,11;111,111;211,211;311,311)を立ち上がらせてなる半成品(10b,110c,210b,310c)を製作する工程と,前記両閉断面構造体半部(11,11;111,111;211,211;311,311)の間に挿入した偏平パンチ(25,125,225,325)により前記連結部(12′,112′,212′,312′)を内側から押圧して外側に隆起した屈曲部(12,112,212,312)に成形しながら前記両閉断面構造体半部(11,11;111,111;211,211;311,311)を更に立ち上がらせる工程と,前記両閉断面構造体半部(11,11;111,111;211,211;311,311)間から前記偏平パンチ(25,125,225,325)を引き上げた後,前記両閉断面構造体半部(11,11;111,111;211,211;311,311)の外端を相互に突き合わせて溶接する工程とを順次実行することを特徴とする,閉断面構造体の製造方法。
- 前記請求項1記載の閉断面構造体の製造方法において,
前記偏平パンチ(25,125,225,325)による前記隆起部(12,112,212,312)の成形時,前記両閉断面構造体半部(11,11;111,111;211,211;311,311)に反りを発生させ,この前記両閉断面構造体半部(11,11;111,111;211,211;311,311)の間から前記偏平パンチ(25,125,225,325)を引き上げたとき,前記両閉断面構造体半部(11,11;111,111;211,211;311,311)の外端を前記反りの復元力により互いに突き合わせることを特徴とする,閉断面構造体の製造方法。
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JP2004304011A JP4679108B2 (ja) | 2004-10-19 | 2004-10-19 | 閉断面構造体の製造方法 |
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JP2006116552A true JP2006116552A (ja) | 2006-05-11 |
JP4679108B2 JP4679108B2 (ja) | 2011-04-27 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010247225A (ja) * | 2008-11-06 | 2010-11-04 | Jfe Steel Corp | 閉断面構造の成形方法、及び閉断面構造成形用の成形装置 |
WO2013179617A1 (ja) | 2012-05-28 | 2013-12-05 | Jfeスチール株式会社 | 閉断面構造体の成形方法及び閉断面構造体の成形装置 |
WO2013179618A1 (ja) | 2012-05-28 | 2013-12-05 | Jfeスチール株式会社 | 閉断面構造体の成形方法及び閉断面構造体の成形装置 |
CN105492136A (zh) * | 2013-08-26 | 2016-04-13 | 杰富意钢铁株式会社 | 具有弯曲形状的多边形闭合截面结构部件的制造方法以及通过该方法制造的多边形闭合截面结构部件 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57165120A (en) * | 1981-04-03 | 1982-10-12 | Nissan Motor Co Ltd | Manufacture of bent pipe |
JPH01162522A (ja) * | 1987-12-18 | 1989-06-27 | Nakao Giken Kogyo:Kk | 隅丸四角筒体の成形方法 |
JPH1058040A (ja) * | 1996-08-26 | 1998-03-03 | Toyota Motor Corp | 中空断面部材のプレス成形方法 |
-
2004
- 2004-10-19 JP JP2004304011A patent/JP4679108B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57165120A (en) * | 1981-04-03 | 1982-10-12 | Nissan Motor Co Ltd | Manufacture of bent pipe |
JPH01162522A (ja) * | 1987-12-18 | 1989-06-27 | Nakao Giken Kogyo:Kk | 隅丸四角筒体の成形方法 |
JPH1058040A (ja) * | 1996-08-26 | 1998-03-03 | Toyota Motor Corp | 中空断面部材のプレス成形方法 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010247225A (ja) * | 2008-11-06 | 2010-11-04 | Jfe Steel Corp | 閉断面構造の成形方法、及び閉断面構造成形用の成形装置 |
KR20140148495A (ko) | 2012-05-28 | 2014-12-31 | 제이에프이 스틸 가부시키가이샤 | 폐단면 구조체의 성형 방법 및 폐단면 구조체의 성형 장치 |
WO2013179618A1 (ja) | 2012-05-28 | 2013-12-05 | Jfeスチール株式会社 | 閉断面構造体の成形方法及び閉断面構造体の成形装置 |
JP2013244512A (ja) * | 2012-05-28 | 2013-12-09 | Jfe Steel Corp | 閉断面構造体の成形方法及び閉断面構造体の成形装置 |
JP2013244511A (ja) * | 2012-05-28 | 2013-12-09 | Jfe Steel Corp | 閉断面構造体の成形方法及び閉断面構造体の成形装置 |
KR20140148494A (ko) | 2012-05-28 | 2014-12-31 | 제이에프이 스틸 가부시키가이샤 | 폐단면 구조체의 성형 방법 및 폐단면 구조체의 성형 장치 |
WO2013179617A1 (ja) | 2012-05-28 | 2013-12-05 | Jfeスチール株式会社 | 閉断面構造体の成形方法及び閉断面構造体の成形装置 |
US9630238B2 (en) | 2012-05-28 | 2017-04-25 | Jfe Steel Corporation | Method and apparatus that forms a closed cross-sectional structure |
US9862017B2 (en) | 2012-05-28 | 2018-01-09 | Jfe Steel Corporation | Method and apparatus that forms a closed cross-sectional structure |
US10160031B2 (en) | 2012-05-28 | 2018-12-25 | Jfe Steel Corporation | Method of forming a closed cross-sectional structure |
CN105492136A (zh) * | 2013-08-26 | 2016-04-13 | 杰富意钢铁株式会社 | 具有弯曲形状的多边形闭合截面结构部件的制造方法以及通过该方法制造的多边形闭合截面结构部件 |
US20160243603A1 (en) * | 2013-08-26 | 2016-08-25 | Jfe Steel Corporation | Method of producing polygonal closed cross-section structural component with a curved form and polygonal closed cross-section structural component produced by the method |
US9981298B2 (en) * | 2013-08-26 | 2018-05-29 | Jfe Steel Corporation | Method of producing polygonal closed cross-section structural component with a curved form and polygonal closed cross-section structural component produced by the method |
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