JP2008186309A - プレス成形品の面ひずみ予測・評価方法 - Google Patents
プレス成形品の面ひずみ予測・評価方法 Download PDFInfo
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- JP2008186309A JP2008186309A JP2007020249A JP2007020249A JP2008186309A JP 2008186309 A JP2008186309 A JP 2008186309A JP 2007020249 A JP2007020249 A JP 2007020249A JP 2007020249 A JP2007020249 A JP 2007020249A JP 2008186309 A JP2008186309 A JP 2008186309A
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
【解決手段】プレス成形品の対象領域の成形過程の解析をおこなった後、前記対象領域を複数領域に分割し、一領域の弾性回復を解析し、次いで、隣接する領域を合わせた拡大された領域について弾性回復量を解析することを順次繰り返し、最終的に前記対象領域全体の弾性回復状態を求め、得られた表面形状をある方向に二次微分することで面の傾き変化を評価し、その評価値の分布から前記成形品の面ひずみの発生位置および発生度合いを予測・評価する。
【選択図】図1
Description
Claims (1)
- プレス成形品の対象領域の成形過程の解析をおこなった後、前記対象領域を複数領域に分割し、一領域の弾性回復を解析し、次いで、隣接する領域を合わせた拡大された領域について弾性回復量を解析することを順次繰り返し、最終的に前記対象領域全体の弾性回復状態を求め、得られた表面形状をある方向に二次微分することで面の傾き変化を評価し、その評価値の分布から前記成形品の面ひずみの発生位置および発生度合いを予測・評価することを特徴とするプレス成形品の面ひずみ予測・評価方法。
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JP2007020249A JP5070859B2 (ja) | 2007-01-31 | 2007-01-31 | 自動車用ドアアウターパネルの面ひずみ予測・評価方法 |
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JP2008186309A true JP2008186309A (ja) | 2008-08-14 |
JP5070859B2 JP5070859B2 (ja) | 2012-11-14 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010250483A (ja) * | 2009-04-14 | 2010-11-04 | Nippon Steel Corp | 構造物の補剛方法 |
JP2013010382A (ja) * | 2011-06-28 | 2013-01-17 | Bridgestone Corp | タイヤ性能予測方法及びタイヤ性能予測装置 |
JP2013061882A (ja) * | 2011-09-14 | 2013-04-04 | Fujitsu Ltd | 描画装置、描画方法及び描画プログラム |
JP2013198927A (ja) * | 2012-03-26 | 2013-10-03 | Jfe Steel Corp | プレス成形解析方法 |
EP2371464A4 (en) * | 2008-12-25 | 2017-05-17 | Nippon Steel & Sumitomo Metal Corporation | Springback occurrence cause analyzing method, springback occurrence cause analyzing device, springback occurrence cause analyzing program, and recording medium |
Citations (6)
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JPH08159740A (ja) * | 1994-12-08 | 1996-06-21 | Honda Motor Co Ltd | 表面歪み判定方法 |
JPH0934932A (ja) * | 1995-07-20 | 1997-02-07 | Matsushita Electric Ind Co Ltd | 3次元データの凹凸検出方法および凹凸検出装置 |
JP2000122996A (ja) * | 1998-10-12 | 2000-04-28 | Nippon Steel Corp | ワーク成形面の形状不良評価方法 |
JP2003340529A (ja) * | 2002-05-29 | 2003-12-02 | Jfe Steel Kk | プレス成形品のスプリングバック解析システム |
JP2006146437A (ja) * | 2004-11-17 | 2006-06-08 | Mitsubishi Heavy Ind Ltd | 形状決定方法及び3次元形状処理装置並びに形状決定プログラム |
JP2006315063A (ja) * | 2005-05-16 | 2006-11-24 | M & M Research:Kk | プレス加工の金型設計支援プログラムおよびその方法 |
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2007
- 2007-01-31 JP JP2007020249A patent/JP5070859B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08159740A (ja) * | 1994-12-08 | 1996-06-21 | Honda Motor Co Ltd | 表面歪み判定方法 |
JPH0934932A (ja) * | 1995-07-20 | 1997-02-07 | Matsushita Electric Ind Co Ltd | 3次元データの凹凸検出方法および凹凸検出装置 |
JP2000122996A (ja) * | 1998-10-12 | 2000-04-28 | Nippon Steel Corp | ワーク成形面の形状不良評価方法 |
JP2003340529A (ja) * | 2002-05-29 | 2003-12-02 | Jfe Steel Kk | プレス成形品のスプリングバック解析システム |
JP2006146437A (ja) * | 2004-11-17 | 2006-06-08 | Mitsubishi Heavy Ind Ltd | 形状決定方法及び3次元形状処理装置並びに形状決定プログラム |
JP2006315063A (ja) * | 2005-05-16 | 2006-11-24 | M & M Research:Kk | プレス加工の金型設計支援プログラムおよびその方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2371464A4 (en) * | 2008-12-25 | 2017-05-17 | Nippon Steel & Sumitomo Metal Corporation | Springback occurrence cause analyzing method, springback occurrence cause analyzing device, springback occurrence cause analyzing program, and recording medium |
JP2010250483A (ja) * | 2009-04-14 | 2010-11-04 | Nippon Steel Corp | 構造物の補剛方法 |
JP2013010382A (ja) * | 2011-06-28 | 2013-01-17 | Bridgestone Corp | タイヤ性能予測方法及びタイヤ性能予測装置 |
JP2013061882A (ja) * | 2011-09-14 | 2013-04-04 | Fujitsu Ltd | 描画装置、描画方法及び描画プログラム |
US9324187B2 (en) | 2011-09-14 | 2016-04-26 | Fujitsu Limited | Visualization apparatus and method |
JP2013198927A (ja) * | 2012-03-26 | 2013-10-03 | Jfe Steel Corp | プレス成形解析方法 |
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