JP2020504691A - ハイブリッド構造およびその製造方法 - Google Patents
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- Composite Materials (AREA)
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Abstract
Description
シミュレーションを、この実施例のためにLS−DYNAを用いて実施した。LS−DYNAは、Livermore Software Technology Corporation(LSTC)により開発された先進汎用Multiphysicsシミュレーションソフトウェアパッケージである。図1は、中心に配置された変形部を有して形成されたフレーム部材を表す。図3は、フレーム壁内の凸状湾曲部に沿って凹状変形部を含む、本開示によるフレーム部材を表す。鋼を使用して、フレーム部材をシミュレートする。図1に示されるように、フレーム壁の変形部は厚さが均一ではない。変形部の外縁は著しく薄くなっており、1.2ミリメートルの厚さ(t1)を有するフレーム壁の残りと比べて、0.7ミリメートル(mm)の厚さしか有さない(t2)(図2Aおよび2Bを参照されたい)。対照的に、図3に示される本開示による変形部は1.2ミリメートルの均一な厚さを維持する(図4Aおよび4Bを参照されたい)。本変形部の均一な厚さにより、ハイブリッド構造の著しく改善された構造統合性が得られる。
シミュレーションを、この実施例のためにLS−DYNAを用いて実施した。図6は構造B(線34)と比べた、構造Aの衝撃中の貫入(線32)を比較するチャートである。50キロメートル/時間の衝撃速度を実施例のために使用する。フレーム部材の平坦部分内に変形部を有するハイブリッド構造(構造A)を、合計4.5キログラムの重さの全鋼部品を用いてシミュレートした。フレーム部材の凸状湾曲部(例えば、角)に沿って変形部を有するハイブリッド構造(構造B)を、鋼フレーム(1.0ミリメートル、2.2キログラム)およびプラスチック補強材(2−3.5ミリメートル、0.8キログラム)(合計3.0キログラムの重さ)を用いてシミュレートした。図6は構造Bの予想外の、有利な特性を証明する。図6に示されるように、ハイブリッド構造Bは驚いたことに、衝撃中の剛度の観点から、金属構造Aをしのぐ。
シミュレーションを、この実施例のためにLS−DYNAを用いて実施した。図7は構造Bのための2.6秒の射出成形時間を示す。図8は構造Bのための77.87メガパスカルの最大射出圧力を示す。これらの値は業界標準を忠実に守ることが示されている。
Claims (21)
- 2つの壁が交わる凸状部分を有するチャネルを形成する少なくとも3つの壁を含むフレーム部材と、
前記凸状部分の少なくとも1つ内の凹状変形部であって、前記凹状変形部は前記チャネル中に延在し、前記凸状部分を通る開口部を形成する開放端を有する凹状変形部と、
前記チャネル内のプラスチック補強部材であって、前記補強部材の一部は前記開口部中および前記変形部上に延在する補強部材と、
を含む、ハイブリッド構造。 - 前記フレーム部材は金属、プラスチック、複合物、または前記の少なくとも1つを含む組み合わせを含む、請求項1に記載のハイブリッド構造。
- 前記フレーム部材は第1の材料を含み、前記補強部材は前記第1の材料とは異なる材料を含む、前記請求項のいずれかに記載のハイブリッド構造。
- 前記ハイブリッド構造は、金属のみを含む金属構造と比べて、質量が30%以上低減されるが、前記金属構造の剛度以上の衝撃中剛度を有する、請求項1に記載のハイブリッド構造。
- 前記フレーム部材は鋼、アルミニウム、マグネシウム、または前記の少なくとも1つを含む組み合わせを含む、前記請求項のいずれかに記載のハイブリッド構造。
- 前記補強部材は熱可塑性物質を含む、前記請求項のいずれかに記載のハイブリッド構造。
- 少なくとも1つの壁は、前記凸状部分から離して配置された追加の凹状変形部をさらに含む、前記請求項のいずれかに記載のハイブリッド構造。
- 前記追加の凹状変形部は前記少なくとも1つの壁の中心部に配置される、請求項7に記載のハイブリッド構造。
- 前記凹状変形部は均一な厚さを有する、前記請求項のいずれかに記載のハイブリッド構造。
- 個々の凹状変形部は厚さが10%以下、好ましくは5%以下、または3%以下変動する、請求項9に記載のハイブリッド構造。
- 前記凹状変形部は1ミリメートル〜2ミリメートルの均一な厚さを有する、請求項9に記載のハイブリッド構造。
- 前記補強部材はハニカム構造および/またはリブパターン、好ましくはハニカム構造を含む、前記請求項のいずれかに記載のハイブリッド構造。
- 前記ハイブリッド構造は追加の金属挿入物を含まない、前記請求項のいずれかに記載のハイブリッド構造。
- 少なくとも2つの凸状部分をさらに含み、各凸状部分は少なくとも1つの凹状変形部を含む、前記請求項のいずれかに記載のハイブリッド構造。
- 前記ハイブリッド構造は、開口チャネル系および/または閉鎖チャネル系との統合のために構成される、前記請求項のいずれかに記載のハイブリッド構造。
- 前記ハイブリッド構造は車両部品に取り付けられるように構成される、前記請求項のいずれかに記載のハイブリッド構造。
- 前記車両部品は、ホワイトボディ、ビーム、レール、バンパー、フロントエンドモジュール、シート、シャーシ、クロスバー、フロア、ピラー、フレーム、または前記の少なくとも1つを含む組み合わせを含む、請求項16に記載のハイブリッド構造。
- 前記ハイブリッド構造は、前記車両部品に機械的締結、溶接、接着、または前記の少なくとも1つを含む組み合わせにより取り付けられるように構成される、請求項16に記載のハイブリッド構造。
- 2つの壁が交わる凸状部分を有するチャネルを形成する3つ以上の壁を含むフレーム部材を形成する工程、
前記凸状部分の少なくとも一部に沿って凹状変形部を形成する工程であって、前記凸状部分および前記凹状変形部は前記壁内でギャップを形成する工程、および
補強部材を前記フレーム部材上にオーバーモールドする工程であって、前記補強部材の少なくとも一部が前記ギャップ中に延在し、前記フレーム部材と連動する工程
を含む、前記請求項のいずれかに記載のハイブリッド構造を製造する方法。 - 前記壁内の前記ギャップは、前記オーバーモールドプロセス中にフローランナーとして機能するように構成される、請求項19に記載の方法。
- 前記ハイブリッド構造を車両部品に取り付ける工程をさらに含む、請求項19−20のいずれかに記載の方法。
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DE102016117903A1 (de) * | 2016-09-22 | 2018-03-22 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Karosserieteilanordnung für ein Kraftfahrzeug und Verfahren zur Herstellung einer derartigen Karosserieteilanordnung |
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2017
- 2017-12-28 KR KR1020197022455A patent/KR102524446B1/ko active IP Right Grant
- 2017-12-28 CN CN201780080579.9A patent/CN110114259B/zh active Active
- 2017-12-28 JP JP2019534855A patent/JP2020504691A/ja active Pending
- 2017-12-28 EP EP17851928.6A patent/EP3562732B1/en active Active
- 2017-12-28 WO PCT/IB2017/058459 patent/WO2018122761A2/en unknown
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Patent Citations (2)
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EP0967138A2 (de) * | 1998-06-25 | 1999-12-29 | Delphi Technologies, Inc. | Strukturelement |
US20080138586A1 (en) * | 2006-12-11 | 2008-06-12 | Frank Robert Mooijman | Hybrid structure and method |
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CN110114259A (zh) | 2019-08-09 |
EP3562732A2 (en) | 2019-11-06 |
US11008050B2 (en) | 2021-05-18 |
WO2018122761A2 (en) | 2018-07-05 |
WO2018122761A3 (en) | 2018-08-23 |
EP3562732B1 (en) | 2021-09-01 |
KR102524446B1 (ko) | 2023-04-21 |
US20190344836A1 (en) | 2019-11-14 |
CN110114259B (zh) | 2022-03-25 |
KR20190103273A (ko) | 2019-09-04 |
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