JP2019155744A - 円筒状複合材料の成形方法、内周積層装置及び円筒状複合材料 - Google Patents
円筒状複合材料の成形方法、内周積層装置及び円筒状複合材料 Download PDFInfo
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Abstract
【解決手段】円筒状複合材料の成形方法は、積層ステップS11と、加圧加熱ステップS12と、を有する。積層ステップS11は、複数の複合材料シートを、各複合材料シートの端部同士の間にスプライスを形成して、隣接する複合材料シートによって形成されるスプライスの周方向の位相を異ならせて、円筒状に積層するステップである。加圧加熱ステップS12は、積層ステップS11で積層した複数の複合材料シートを、円筒型の内周に沿って配置した状態で加圧しながら加熱することで、複数の複合材料シートに含まれる樹脂を反応させて、複数の複合材料シートを一体化して円筒状に成形するステップである。
【選択図】図1
Description
図1は、第1の実施形態に係る円筒状複合材料の成形方法を示すフローチャートである。第1の実施形態に係る円筒状複合材料の成形方法は、図1に示すように、積層ステップS11と、加圧加熱ステップS12と、を有する。
図9は、第2の実施形態に係る円筒状複合材料の成形方法を示すフローチャートである。本発明の第2の実施形態に係る円筒状複合材料の成形方法は、図9に示すように、少なくとも加圧加熱ステップS12の前に、接着前処理ステップS21をさらに追加したものである。なお、本発明の第2の実施形態に係る円筒状複合材料の成形方法は、他の構成については、第1の実施形態に係る円筒状複合材料の成形方法と同様である。第2の実施形態に係る円筒状複合材料の成形方法について、以下に説明する。第2の実施形態に係る円筒状複合材料の成形方法は、その他の第1の実施形態と同様の構成に第1の実施形態と同一の符号群を用い、その詳細な説明を省略する。
図12は、第3の実施形態に係る円筒状複合材料の成形方法における加圧加熱ステップS12を説明する説明図である。図13は、図12のB−B断面における断面図である。本発明の第3の実施形態に係る円筒状複合材料の成形方法は、図12及び図13に示すように、加圧加熱ステップS12において、複合材料円筒型12の内周に配置した複数の複合材料シート11の軸方向における両端側の位置であり、かつ、加圧及び加熱する際に用いる加圧加熱ケース32の内側の位置に、加圧加熱ステップS12で使用する複合材料円筒型12と同等の線膨張を有し、複数の複合材料シート11の軸方向における両端側を保護するリング状のダム部材である複合材料ダム部材31を配置するように変更したものである。なお、本発明の第3の実施形態に係る円筒状複合材料の成形方法は、他の構成については、第1の実施形態に係る円筒状複合材料の成形方法と同様である。第3の実施形態に係る円筒状複合材料の成形方法は、その他の第1の実施形態と同様の構成に第1の実施形態と同一の符号群を用い、その詳細な説明を省略する。
11 複合材料シート
11a スプライス
12 複合材料円筒型
13 円筒型
15 密封加圧加熱装置
16 接着剤層
20 内周積層装置
21 支持ローラ
22 押さえローラ
22a 軸端部
24 ローラ支持部材
31 複合材料ダム部材
32 加圧加熱ケース
Claims (9)
- 複数の複合材料シートを、各前記複合材料シートの端部同士の間にスプライスを形成して、隣接する前記複合材料シートによって形成される前記スプライスの周方向の位相を異ならせて、円筒状に積層する積層ステップと、
前記積層ステップで積層した複数の前記複合材料シートを、円筒型の内周に沿って配置した状態で加圧しながら加熱することで、複数の前記複合材料シートに含まれる樹脂を反応させて、複数の前記複合材料シートを一体化して円筒状に成形する加圧加熱ステップと、
を有することを特徴とする円筒状複合材料の成形方法。 - 前記積層ステップでは、前記円筒型の内周側からさらに内周側に向かって複数の複合材料シートを積層することを特徴とする請求項1に記載の円筒状複合材料の成形方法。
- 前記積層ステップでは、前記加圧加熱ステップで使用する前記円筒型とは別の円筒型の外周側からさらに外周側に向かって複数の複合材料シートを積層し、積層後に前記円筒型を抜き取ることを特徴とする請求項1に記載の円筒状複合材料の成形方法。
- 前記加圧加熱ステップで使用する前記円筒型として複合材料円筒型を用い、
前記加圧加熱ステップの前に行われ、前記円筒型の内周を、最外周に配置された前記複合材料シートと接着可能にする接着前処理を行う接着前処理ステップと、
をさらに含むことを特徴とする請求項1から請求項3のいずれか1項に記載の円筒状複合材料の成形方法。 - 前記加圧加熱ステップでは、前記円筒型の内周に配置した複数の前記複合材料シートの軸方向における両端側の位置であり、かつ、加圧及び加熱する際に用いる加圧加熱ケースの内側の位置に、前記加圧加熱ステップで使用する前記円筒型と同等の線膨張を有し、複数の前記複合材料シートの軸方向における両端側を保護するリング状のダム部材を配置することを特徴とする請求項1から請求項4のいずれか1項に記載の円筒状複合材料の成形方法。
- 円筒型を外側から回転可能に支持する支持ローラと、
前記円筒型の内周面に積層された複数のシートを内側から押さえる押さえローラと、
を含むことを特徴とする内周積層装置。 - 円筒状に積層されて一体化された複数の複合材料シートを含み、
複数の前記複合材料シートは、各前記複合材料シートの端部同士の間にスプライスを形成し、隣接する前記複合材料シートによって形成される前記スプライスの周方向の位相が異なっていることを特徴とする円筒状複合材料。 - 円筒状に積層された複数の前記複合材料シートの外周に設けられた複合材料円筒型と、
円筒状に積層された複数の前記複合材料シートと前記複合材料円筒型とを接着する接着剤層と、
をさらに含むことを特徴とする請求項7に記載の円筒状複合材料。 - 円筒状に積層された複数の前記複合材料シートを含む材料全体において、内周の半径と外周の半径との比である内外径比が0.95未満であり、内周の半径が100mm以上であることを特徴とする請求項7または請求項8に記載の円筒状複合材料。
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US11993030B2 (en) | 2019-09-26 | 2024-05-28 | Mitsubishi Heavy Industries, Ltd. | Composite material component shaping method and charge |
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JPH06238756A (ja) * | 1993-02-12 | 1994-08-30 | Nippon Oil Co Ltd | 筒状樹脂製品の成形方法及び成形装置 |
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US5427373A (en) | 1992-06-24 | 1995-06-27 | Daiwa Golf Co., Ltd. | Shaft for golf club |
EP0873685B1 (en) | 1997-04-18 | 2002-08-07 | Daiwa Seiko Inc. | Tubular body |
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JPH0623076A (ja) * | 1992-07-07 | 1994-02-01 | Daiwa Golf Kk | ゴルフクラブ用シャフト |
JPH06238756A (ja) * | 1993-02-12 | 1994-08-30 | Nippon Oil Co Ltd | 筒状樹脂製品の成形方法及び成形装置 |
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US11993030B2 (en) | 2019-09-26 | 2024-05-28 | Mitsubishi Heavy Industries, Ltd. | Composite material component shaping method and charge |
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