JP6496360B2 - 樹脂複合板の製造方法 - Google Patents
樹脂複合板の製造方法 Download PDFInfo
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Description
上記実施の形態は、以下のように変形してもよい。
図5A、図5Bは、変形例1における樹脂複合板10の製造方法を説明する図であり、図5Aは、複数の樹脂板群14を平面上に敷き並べた状態を示す図、図5Bは、平面上に敷き並べた複数の樹脂板群14を加圧加熱することで製造された1枚の樹脂複合板10を示す図である。図5Aにおいては、平面上に敷き並べた複数の樹脂板群14は、所定の間隔をあけて配置されているが、実際は、隙間なく配置されている。なお、上記実施の形態と同一の構成については、同一の参照符号を付し、異なる部分だけを説明する。
上記変形例1では、矩形状の樹脂板群14(繊維強化熱可塑性樹脂板12)を平面上に敷き並べたが、こうすると、樹脂板群14と樹脂板群14の接合面30aが1つの平面(1直線の面)で構成されるとともに、複数の接合面30aが隣接して直線状に配置されてしまう(図5A、図5B参照)。このため、樹脂板群14と樹脂板群14との接合部分30で、樹脂複合板10が折れ易くなってしまう。
樹脂板群14を構成する複数の繊維強化熱可塑性樹脂板12の少なくとも1つの繊維体積含有率が他の繊維強化熱可塑性樹脂板12とは異なるようにする場合は(上記実施の形態で説明した1態様)、樹脂板群14を構成する複数の繊維強化熱可塑性樹脂板12は、同一の厚さであってもよい。この場合であっても、強度が必要な繊維強化熱可塑性樹脂板12の強度を強くし、比較的強度が必要のない繊維強化熱可塑性樹脂板12の強度を弱くすることができ、製造コストを抑えることができる。
複数の樹脂板群14を平面上に敷き並べて、1枚の樹脂複合板10を製造する場合であって、互いに隣接する樹脂板群14と樹脂板群14との接合面30aを、曲面、複数の平面、または、曲面と平面との組み合わせで形成する場合は(上記変形例2で説明した1態様)、樹脂板群14を構成する複数の繊維強化熱可塑性樹脂板12は、同一の厚さであってもよい。また、樹脂板群14を多角形の形状にする場合も、樹脂板群14を構成する複数の繊維強化熱可塑性樹脂板12は、同一の厚さであってもよい。この場合であっても、接合面30aの面積を大きくすることができ、樹脂板群14と樹脂板群14との接合部分30で樹脂複合板10が折れることを防止することができる。
本変形例5では、さらに、製造された樹脂複合板10を複数枚重ね合わせ、図4に示すプレス装置PAの型(上型D1および下型D2)が、重ね合された複数枚の樹脂複合板10を挟んで加圧加熱することで、立体形状の成形品を成形してもよい。
上記変形例1〜5を任意に組み合わせた態様であってもよい。
上記実施の形態および変形例1〜6から把握しうる技術的思想について、以下に記載する。
一方向に沿って配列された繊維(F)を含有する繊維強化熱可塑性樹脂板(12)を複数重ね合わせた樹脂板群(14)を加圧加熱することで、一体化した1枚の樹脂複合板(10)を製造する樹脂複合板(10)の製造方法であって、厚さが異なる複数の繊維強化熱可塑性樹脂板(12)を重ね合わせて、所望の厚さの樹脂複合板(10)を製造する。
一方向に沿って配列された繊維(F)を含有する繊維強化熱可塑性樹脂板(12)を複数重ね合わせた樹脂板群(14)を加圧加熱することで、一体化した1枚の樹脂複合板(10)を製造する樹脂複合板(10)の製造方法であって、重ね合された複数の繊維強化熱可塑性樹脂板(12)の少なくとも1つは、繊維体積含有率が他の繊維強化熱可塑性樹脂板(12)とは異なる。
一方向に沿って配列された繊維(F)を含有する繊維強化熱可塑性樹脂板(12)を複数平面上に敷き並べて加圧加熱することで、一体化した1枚の樹脂複合板(10)を製造する樹脂複合板(10)の製造方法であって、互いに隣接する繊維強化熱可塑性樹脂板(12)と繊維強化熱可塑性樹脂板(12)との接合面(30a)は、曲面、複数の平面、または、曲面と平面との組み合わせで形成されている。
14…樹脂板群 30…接合部分
30a…接合面
Claims (12)
- 一方向に沿って配列された繊維を含有する繊維強化熱可塑性樹脂板を複数重ね合わせた樹脂板群を加圧加熱することで、一体化した1枚の樹脂複合板を製造する樹脂複合板の製造方法であって、
厚さが異なる複数の前記繊維強化熱可塑性樹脂板を重ね合わせた前記樹脂板群を、複数平面上に敷き並べて加圧加熱することで、一体化した1枚の所望の厚さの前記樹脂複合板を製造する、樹脂複合板の製造方法。 - 請求項1に記載の樹脂複合板の製造方法であって、
繊維方向が交差するように、厚さが異なる複数の前記繊維強化熱可塑性樹脂板を重ね合わせて、所望の厚さの前記樹脂複合板を製造する、樹脂複合板の製造方法。 - 請求項2に記載の樹脂複合板の製造方法であって、
互いに隣接して重なり合う2つの前記繊維強化熱可塑性樹脂板の繊維方向が交差するように、厚さが異なる複数の前記繊維強化熱可塑性樹脂板を重ね合わせて、所望の厚さの前記樹脂複合板を製造する、樹脂複合板の製造方法。 - 請求項1〜3のいずれか1項に記載の樹脂複合板の製造方法であって、
重ね合された複数の前記繊維強化熱可塑性樹脂板の少なくとも1つは、繊維体積含有率が他の前記繊維強化熱可塑性樹脂板とは異なる、樹脂複合板の製造方法。 - 請求項1〜4のいずれか1項に記載の樹脂複合板の製造方法であって、
平面上に敷き並べられる複数の前記樹脂板群の少なくとも1つは、厚さおよび繊維の含有量の少なくとも一方が他の前記樹脂板群とは異なる、樹脂複合板の製造方法。 - 請求項5に記載の樹脂複合板の製造方法であって、
前記樹脂複合板を用いて成形される成形品の部位に応じて、前記樹脂板群の厚さおよび繊維の含有量の少なくとも一方を変える、樹脂複合板の製造方法。 - 請求項1〜6のいずれか1項に記載の樹脂複合板の製造方法であって、
平面上に敷き並べられる複数の前記樹脂板群の少なくとも1つは、重ね合される前記繊維強化熱可塑性樹脂板の数、厚さ、繊維の含有量、または、繊維体積含有率が他の前記樹脂板群とは異なる、樹脂複合板の製造方法。 - 請求項7に記載の樹脂複合板の製造方法であって、
樹脂複合板を用いて成形される成形品の部位に応じて、前記樹脂板群を構成する前記繊維強化熱可塑性樹脂板の数、厚さ、繊維の含有量、または、繊維体積含有率を変える、樹脂複合板の製造方法。 - 請求項1〜8のいずれか1項に記載の樹脂複合板の製造方法であって、
互いに隣接する前記樹脂板群と前記樹脂板群との接合面は、曲面、複数の平面、または、曲面と平面との組み合わせで形成されている、樹脂複合板の製造方法。 - 請求項1〜8のいずれか1項に記載の樹脂複合板の製造方法であって、
前記樹脂板群は、多角形の形状を有する、樹脂複合板の製造方法。 - 一方向に沿って配列された繊維を含有する繊維強化熱可塑性樹脂板を複数平面上に敷き並べて加圧加熱することで、一体化した1枚の樹脂複合板を製造する樹脂複合板の製造方法であって、
互いに隣接する前記繊維強化熱可塑性樹脂板と前記繊維強化熱可塑性樹脂板との接合面は、曲面、複数の平面、または、曲面と平面との組み合わせで形成されている、樹脂複合板の製造方法。 - 請求項1〜11のいずれか1項に記載の樹脂複合板の製造方法であって、
製造された前記樹脂複合板を1枚または複数枚重ね合わせて型で挟んで加圧加熱することで、立体形状の成形品を製造する、樹脂複合板の製造方法。
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