JP6336380B2 - 繊維強化熱可塑性部品を圧縮成形するための方法及び装置 - Google Patents
繊維強化熱可塑性部品を圧縮成形するための方法及び装置 Download PDFInfo
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- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/40—Shaping or impregnating by compression not applied
- B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
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- B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
- B29C2043/3615—Forming elements, e.g. mandrels or rams or stampers or pistons or plungers or punching devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
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Description
所定量の繊維強化熱可塑性樹脂フレークを投入することを含め、金型充填材料を投入することと、
前記金型充填材料が流動可能となるまで当該金型充填材料を加熱することと、
金型を加熱することと、
前記流動可能な金型充填材料を前記加熱された金型に注入することによって、前記金型充填材料を部品に成形することと、
前記成形された金型充填材料がその形状を維持可能となるまで前記金型を冷却すること、とを含む、方法。
前記金型充填材料を加熱することは、前記シリンダを加熱することを含み、
前記流動可能な金型充填材料を注入することは、前記シリンダにピストンを押し込むことによって行われる、付記1に記載の方法。
前記金型充填材料を投入することは、前記スラグを投入することを含む、付記1に記載の方法。
前記所定量の繊維強化熱可塑性樹脂フレークをチャンバーに入れることと、
前記繊維強化熱可塑性樹脂フレークを、当該繊維強化熱可塑性樹脂フレーク内の樹脂の融解温度まで加熱することと、
前記チャンバー内の前記繊維強化熱可塑性樹脂フレークを圧縮して前記スラグにすること、とを含む、付記5に記載の方法。
前記金型充填材料を加熱することは、前記シリンダを加熱することを含み、
前記流動可能な金型充填材料を注入することは、ピストンを前記シリンダに押し込むことによって行われる、付記5に記載の方法。
繊維強化熱可塑性樹脂フレークの充填材料を予備一体化することと、
前記予備一体化された充填材料をシリンダに入れることと、
部品用キャビティ及び少なくとも1つのフィッティング用キャビティを有する金型に、前記シリンダを連結することとと、
前記シリンダ内の前記予備一体化された充填材料を加熱することによって、熱可塑性樹脂と強化繊維との流動可能な混合物を形成することと、
前記シリンダ内の前記流動可能な混合物を圧縮することによって、前記流動可能な混合物を前記部品用キャビティ及び前記フィッティング用キャビティに流入させること、とを含む方法。
所定量の繊維強化熱可塑性樹脂フレークを管体に入れることと、
前記繊維強化熱可塑性フレークを加熱することと、
前記加熱された繊維強化熱可塑性フレークを前記管体内で圧縮してスラグにすること、とを含む、付記13に記載の方法。
前記流動可能な混合物を流入させることは、前記シリンダにピストンを押し込むことによって、前記流動可能な混合物を圧縮することを含む、付記14に記載の方法。
部品用キャビティを有する金型と、
前記部品用キャビティに連結されており、且つ、繊維強化熱可塑性樹脂フレークの予備一体化された充填材料を収容するように構成されたシリンダと、
前記予備一体化された充填材料を加熱することにより、樹脂と強化繊維との流動可能な混合物にするためのヒーターと、
前記シリンダ内のピストンと、
前記流動可能な混合物を圧縮し且つ前記流動可能な混合物を前記部品用キャビティに押しやるために、前記ピストンを押し込むための、前記ピストンに連結されたアクチュエータと、を備える装置。
前記シリンダは、前記部品用キャビティの長軸に対してほぼ軸方向に整列した長軸を含み、前記部品用キャビティの一端で前記部品用キャビティに連結されている、付記17に記載の装置。
所定量の繊維強化熱可塑性樹脂フレークを導入することができる管体と、
前記管体を加熱するために前記管体に外装された少なくとも1つのバンドヒーターと、
前記管体に導入されるように構成された質量体と、を含み、前記繊維強化熱可塑性樹脂フレークを当該質量体にかかる重力下で圧縮するようにした、付記22に記載の装置。
Claims (14)
- 長状の繊維強化熱可塑性部品を圧縮成形する方法であって、
所定量の繊維強化熱可塑性樹脂フレークを投入することを含め、金型充填材料を投入することと、
前記金型充填材料が流動可能となるまで当該金型充填材料を加熱することと、
長軸を有する金型を加熱することと、
前記流動可能な金型充填材料を前記加熱された金型に注入することによって、前記金型充填材料を部品に成形することと、
前記成形された金型充填材料がその形状を維持可能となるまで前記金型を冷却すること、とを含み、
前記金型充填材料を投入することは、前記所定量の繊維強化熱可塑性樹脂フレークをシリンダに投入することを含み、
前記シリンダは、前記金型の前記長軸に対してほぼ軸方向に整列した長軸を含み、前記金型に連結されている、方法。 - 前記金型を冷却することは、前記熱可塑性樹脂フレーク内の樹脂のガラス転移温度より低い温度まで前記金型を冷却することを含む、請求項1に記載の方法。
- 前記金型充填材料を加熱することは、前記繊維強化熱可塑性樹脂フレークを、当該繊維強化熱可塑性樹脂フレーク内の樹脂の融解温度まで加熱することを含む、請求項1に記載の方法。
- 前記金型充填材料を加熱することは、前記シリンダを加熱することを含み、
前記流動可能な金型充填材料を注入することは、前記シリンダにピストンを押し込むことによって行われる、請求項1に記載の方法。 - 前記所定量の繊維強化熱可塑性樹脂フレークを予備一体化してスラグにすること、をさらに含み、
前記金型充填材料を投入することは、前記スラグを投入することを含む、請求項1に記載の方法。 - 前記所定量の繊維強化熱可塑性樹脂フレークを予備一体化することは、
前記所定量の繊維強化熱可塑性樹脂フレークをチャンバーに入れることと、
前記繊維強化熱可塑性樹脂フレークを、当該繊維強化熱可塑性樹脂フレーク内の樹脂の融解温度まで加熱することと、
前記チャンバー内の前記繊維強化熱可塑性樹脂フレークを圧縮して前記スラグにすること、とを含む、請求項5に記載の方法。 - 前記繊維強化熱可塑性樹脂フレークを圧縮することは、前記チャンバー内の前記繊維強化熱可塑性樹脂フレークの上に重りを置くことによって行われる、請求項6に記載の方法。
- 前記予備一体化することは、前記スラグが後に使用するための取り扱い及び保管ができる状態となるまで、前記スラグを冷却することを含む、請求項5に記載の方法。
- 前記冷却することは、前記スラグ内の樹脂のガラス転移温度より低い温度まで前記スラグを十分に冷却することによって、前記スラグが所望の形状を維持できるようにすることを含む、請求項8に記載の方法。
- 前記金型充填材料を加熱することは、前記スラグを再加熱することを含む、請求項8に記載の方法。
- 前記スラグを投入することは、前記スラグをシリンダに投入することを含み、
前記金型充填材料を加熱することは、前記シリンダを加熱することを含み、
前記流動可能な金型充填材料を注入することは、ピストンを前記シリンダに押し込むことによって行われる、請求項5に記載の方法。 - 繊維強化熱可塑性樹脂部品を圧縮成形するための装置であって、
部品用キャビティを有する金型と、
前記部品用キャビティに連結されており、且つ、繊維強化熱可塑性樹脂フレークの予備一体化された充填材料を収容するように構成されたシリンダと、
前記予備一体化された充填材料を加熱することにより、樹脂と強化繊維との流動可能な混合物にするためのヒーターと、
前記シリンダ内のピストンと、
前記流動可能な混合物を圧縮し且つ前記流動可能な混合物を前記部品用キャビティに押しやるために、前記ピストンを押し込むための、前記ピストンに連結されたアクチュエータと、を備え、
前記部品用キャビティは、長状であり、長軸を含んでおり、
前記シリンダは、前記部品用キャビティの長軸に対してほぼ軸方向に整列した長軸を含み、前記部品用キャビティの一端で前記部品用キャビティに連結されている装置。 - 前記金型は、前記部品と一体のフィッティングを成形するためのフィッティング成形用キャビティを有する金型モジュールを含む、請求項12に記載の装置。
- 前記金型は、前記部品用キャビティに連結された少なくとも1つの空気抜きを含み、当該空気抜きは、前記部品用キャビティに押し込まれた前記流動可能な混合物によって押しのけられた前記部品用キャビティ内の空気を逃すことができるようにした、請求項12に記載の装置。
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