JP2016060204A - 繊維強化ポリマーの押し出し堆積法 - Google Patents
繊維強化ポリマーの押し出し堆積法 Download PDFInfo
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- B05D1/00—Processes for applying liquids or other fluent materials
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- B05D1/265—Extrusion coatings
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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
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
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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
- B29C70/06—Fibrous reinforcements only
- B29C70/10—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
- B29C70/16—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
- B29C70/24—Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
- B29B15/08—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00 of reinforcements or fillers
- B29B15/10—Coating or impregnating independently of the moulding or shaping step
- B29B15/12—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length
- B29B15/122—Coating or impregnating independently of the moulding or shaping step of reinforcements of indefinite length with a matrix in liquid form, e.g. as melt, solution or latex
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
- B29K2105/12—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of short lengths, e.g. chopped filaments, staple fibres or bristles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract
Description
前記加圧流内に繊維強化材を混入させることと、
前記ポリマーと前記繊維強化材とのビードを、前記管からサブストレート上に堆積させること、とを含む、堆積製造法。
繊維強化材を混入させることは、前記連鎖状繊維強化材を前記加圧流に引き込むことを含む、項A1に記載の堆積製造法。
強化材を有するポリマーを前記堆積ヘッドから前記サブストレート上に押し出すことによって前記複合材部品の造形部を付加的に形成すること、とを含む、複合材部品の製造方法。
前記強化材を有する前記ポリマーを管の上流端に導入することと、
前記ポリマーを、前記管を通って前記管の下流端まで流れさせることと、
前記管を通る流れを利用して、前記強化材を前記流れと共に前記管部内で引っ張ることにより、前記強化材を前記管を通って前記管の下流端まで引き込むことを含む、項B1に記載の方法。
流動可能ポリマーの供給源と、
ポリマー注入口、及び、連続繊維強化材の供給を受けるように構成された材料供給端部、を含む堆積ヘッド、とを含み、
前記堆積ヘッドは、前記連続繊維強化材が内部に混入されたポリマーのビードを堆積させるように構成された堆積端部をさらに含む、
繊維強化ポリマーの堆積を行うためのエンドエフェクタ。
前記連続繊維強化材を前記ポリマー内に混入させるように構成された混入バレルを含み、
前記混入バレルは、前記連続繊維強化材と前記流動可能ポリマーとが合流する合流領域を含む、項C1に記載のエンドエフェクタ。
Claims (15)
- 管にポリマーの加圧流を生成することと、
前記加圧流内に繊維強化材を混入させることと、
前記ポリマーと前記繊維強化材とのビードを、前記管からサブストレート上に堆積させること、とを含む、堆積製造法。 - 前記繊維強化材を混入させることは、トウ、粗紡、及びヤーンの少なくとも1つを前記管に送給することを含む、請求項1に記載の堆積製造法。
- 前記繊維強化材を混入させることは、ドライな繊維強化材及び予備含浸された繊維強化材の一方を前記管に送給することを含む、請求項1に記載の堆積製造法。
- 前記繊維強化材を混入させることは、連続繊維強化材及び不連続繊維強化材の一方を前記管に送給することを含む、請求項1に記載の堆積製造法。
- 複数の不連続繊維強化材を連鎖状に連結することをさらに含み、
繊維強化材を混入させることは、前記連鎖状繊維強化材を前記加圧流に引き込むことを含む、請求項1に記載の堆積製造法。 - 前記繊維強化材を、前記加圧流の前記ポリマーの融点より高い融点を有するポリマー内に封入することをさらに含む、請求項1に記載の堆積製造法。
- 前記管の長さ方向に熱量が変化するように前記管を加熱することによって、前記ポリマーの所望の粘性を維持することをさらに含む、請求項1に記載の堆積製造法。
- 前記加圧流を生成することは、前記ポリマーを加圧下で前記管に注入することを含む、請求項1に記載の堆積製造法。
- 前記ポリマーを加圧下で前記管に注入することは、前記管の上流端と下流端との間に圧力差を生じさせることを含む、請求項8に記載の堆積製造法。
- 連続繊維強化材の供給源と、
流動可能ポリマーの供給源と、
ポリマー注入口、及び、連続繊維強化材の供給を受けるように構成された材料供給端部、を含む堆積ヘッド、とを含み、
前記堆積ヘッドは、前記連続繊維強化材が内部に混入されたポリマーのビードを堆積させるように構成された堆積端部をさらに含む、
繊維強化ポリマーの堆積を行うためのエンドエフェクタ。 - 前記堆積ヘッドは、
前記連続繊維強化材を前記ポリマー内に混入させるように構成された混入バレルを含み、
前記混入バレルは、前記連続繊維強化材と前記流動可能ポリマーとが合流する合流領域を含む、請求項10に記載のエンドエフェクタ。 - 前記混入バレルは、前記堆積端部に連結された押し出しダイをさらに含む、請求項11に記載のエンドエフェクタ。
- 前記混入バレルは、前記合流領域に連結され且つ前記ポリマー内に前記連続繊維強化材を混入させるように構成されたキャピラリー管をさらに含む、請求項11に記載のエンドエフェクタ。
- 前記キャピラリー管は、前記合流領域に連結された上流端と、前記連続繊維強化材が内部に混入されたポリマーを押し出すように構成された下流端とを含む、請求項13に記載のエンドエフェクタ。
- 前記混入バレルを加熱するためのヒーターをさらに含み、前記ヒーターは、前記混入バレルの長さ方向にコイル巻き数が変化する少なくとも1つの加熱コイルを含む、請求項11に記載のエンドエフェクタ。
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US14/489,972 | 2014-09-18 | ||
US14/489,972 US9931778B2 (en) | 2014-09-18 | 2014-09-18 | Extruded deposition of fiber reinforced polymers |
US14/602,964 US10118375B2 (en) | 2014-09-18 | 2015-01-22 | Extruded deposition of polymers having continuous carbon nanotube reinforcements |
US14/602,964 | 2015-01-22 |
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JP2016060204A true JP2016060204A (ja) | 2016-04-25 |
JP6490544B2 JP6490544B2 (ja) | 2019-03-27 |
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US20160082659A1 (en) | 2016-03-24 |
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