JP6884861B2 - 付加製造システム - Google Patents
付加製造システム Download PDFInfo
- Publication number
- JP6884861B2 JP6884861B2 JP2019525972A JP2019525972A JP6884861B2 JP 6884861 B2 JP6884861 B2 JP 6884861B2 JP 2019525972 A JP2019525972 A JP 2019525972A JP 2019525972 A JP2019525972 A JP 2019525972A JP 6884861 B2 JP6884861 B2 JP 6884861B2
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- Prior art keywords
- matrix
- resin
- coated continuous
- energy source
- curing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
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- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/205—Means for applying layers
- B29C64/209—Heads; Nozzles
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- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/10—Formation of a green body
- B22F10/12—Formation of a green body by photopolymerisation, e.g. stereolithography [SLA] or digital light processing [DLP]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/1035—Liquid phase sintering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
- B22F3/11—Making porous workpieces or articles
- B22F3/1103—Making porous workpieces or articles with particular physical characteristics
- B22F3/1118—Making porous workpieces or articles with particular physical characteristics comprising internal reinforcements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- 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
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C2033/0005—Moulds or cores; Details thereof or accessories therefor with transparent parts, e.g. permitting visual inspection of the interior of the cavity
-
- 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
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/0058—Liquid or visquous
-
- 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
- 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
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
-
- 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
- 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
- B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
- B29K2105/10—Cords, strands or rovings, e.g. oriented cords, strands or rovings
- B29K2105/101—Oriented
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Ceramic Engineering (AREA)
- Environmental & Geological Engineering (AREA)
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Description
[0001] 本出願は、2017年1月24日に出願された米国仮特許出願第62/449,899号を基礎とし、それに基づく優先権の利益を主張する。この仮特許出願の内容は参照により本明細書に明示的に組み込まれる。
[0002] 本開示は概して製造システムに関し、詳細には複合構造物を付加製造するためのシステムに関する。
[0003] 付加製造の多くの異なるプロセスが、機械構成要素を製造するために共通に使用されている。これらのプロセスは、とりわけ、連続繊維3D印刷(CF3D(商標))及び光造形(SLA)を含み得る。
[0007] 一態様において、本開示は、付加製造システムに向けられる。付加製造システムは、樹脂供給分(a supply of resin)を保持するように構成されたバットと、バットの内側に配置された構築面とを含み得る。システムはまた、マトリックスコーテッド連続補強材を構築面に吐出するように構成されたプリントヘッドと、マトリックスコーテッド連続補強材の表面上の樹脂を硬化エネルギーに露出するように構成されたエネルギー源とを含み得る。
[0011] 図1は、任意の所望の断面形状(例えば、円形、多角形等)を有する複合構造物12を連続的に製造するために使用することができる例示的なシステム10を示している。システム10は、少なくともバット14、支持体16、ヘッド18、及びエネルギー源20を含み得る。バット14は、樹脂(例えば、フォトポリマー樹脂)の供給分を保持するように構成された容器であり得、その樹脂から構造物12の少なくとも一部(例えば表面コーティング)が製造される。ヘッド18は、バット14内に構造物12の少なくとも一部(例えば内部骨格)を作製するために、支持体16に結合されて支持体16によって移動されてもよい。図1の開示される実施形態では、支持体16は、構造物12を作製する間、ヘッド18を複数の方向に移動することができるロボットアームである。エネルギー源20は、ヘッド18によって作製された構造骨格をコーティングするバット14内の樹脂を選択的に露出し、それによって樹脂を硬化させて骨格上に硬化コーティングを形成させるように構成することができる。
[0027] 開示されたシステムは、任意の所望の断面サイズ、形状、長さ、密度、強度及び/又は表面質感を有する複合構造物を連続的に製造するために使用されてもよい。複合構造物は、それぞれが共通のマトリックス及び/又は樹脂でコーティングされている、同じ又は異なる種類、直径、形状、構造及び構成の任意の数の異なる補強材を含み得る。次にシステム10の動作を詳細に記載する。
Claims (37)
- プリントヘッドからマトリックスコーテッド連続補強材を構築面に吐出することと、
前記マトリックスコーテッド連続補強材を樹脂に浸漬させることと、
前記マトリックスコーテッド連続補強材の表面の樹脂を硬化エネルギーに露出することと、
前記マトリックスコーテッド連続補強材を樹脂に浸漬させる前に、前記マトリックスコーテッド連続補強材中のマトリックスを硬化エネルギーに露出して、前記マトリックスを少なくとも部分的に硬化させることと
を含む、複合構造物を付加製造する方法。 - 前記マトリックスコーテッド連続補強材を前記樹脂の中に徐々に下げることをさらに含む、請求項1に記載の方法。
- 前記マトリックスコーテッド連続補強材を徐々に下げる間、樹脂が前記構築面を通過することをさらに含む、請求項2に記載の方法。
- 前記構築面を収容するバット内の樹脂の液位を徐々に上げることをさらに含む、請求項2に記載の方法。
- 前記バットの内側で前記プリントヘッドを動かすことをさらに含む、請求項4に記載の方法。
- 前記マトリックスコーテッド連続補強材の硬化層を前記樹脂の硬化層と交互に配置することをさらに含む、請求項1に記載の方法。
- プリントヘッドからマトリックスコーテッド連続補強材を構築面に吐出することと、
前記マトリックスコーテッド連続補強材を樹脂に浸漬させることと、
前記マトリックスコーテッド連続補強材の表面の樹脂を硬化エネルギーに露出することと、
前記マトリックスコーテッド連続補強材の前記表面上のいずれかの樹脂の硬化前、前記マトリックスコーテッド連続補強材の全てを少なくとも部分的に硬化させることと
を含む、複合構造物を付加製造する方法。 - 前記マトリックスコーテッド連続補強材の前記表面の樹脂を前記硬化エネルギーに露出することが、前記構築面を介して前記硬化エネルギーを向けることを含む、請求項1に記載の方法。
- 前記樹脂の表面に酸素防止バリアを形成することをさらに含む、請求項1に記載の方法。
- マトリックスコーテッド連続補強材を構築面に吐出することと、
前記マトリックスコーテッド連続補強材を樹脂に少なくとも部分的に浸漬させることと、
前記樹脂を硬化させることと、
前記マトリックスコーテッド連続補強材を樹脂に少なくとも部分的に浸漬させる前に、前記マトリックスコーテッド連続補強材中のマトリックスを硬化エネルギーに露出して、前記マトリックスを少なくとも部分的に硬化させることと
を含む、複合構造物を付加製造する方法。 - 前記マトリックスを硬化エネルギーに露出することが、前記マトリックスの中に光を向けることを含む、請求項10に記載の方法。
- 前記マトリックスコーテッド連続補強材を前記樹脂の中に徐々に下げることをさらに含む、請求項10に記載の方法。
- 前記マトリックスコーテッド連続補強材を徐々に下げる間、樹脂が前記構築面を通過することをさらに含む、請求項12に記載の方法。
- 前記構築面を収容するバット内の樹脂の液位を徐々に上げることをさらに含む、請求項10に記載の方法。
- 前記マトリックスコーテッド連続補強材の硬化層を前記樹脂の硬化層と交互に配置することをさらに含む、請求項10に記載の方法。
- マトリックスコーテッド連続補強材を構築面に吐出することと、
前記マトリックスコーテッド連続補強材を樹脂に少なくとも部分的に浸漬させることと、
前記樹脂を硬化させることと、
いずれかの樹脂の硬化前、前記マトリックスコーテッド連続補強材の全てを少なくとも部分的に硬化させることと
を含む、複合構造物を付加製造する方法。 - 前記樹脂を硬化させることが、前記構築面を介して前記硬化エネルギーを向けることを含む、請求項10に記載の方法。
- 前記硬化エネルギーが、UV光である、請求項17に記載の方法。
- 前記樹脂の表面に酸素防止バリアを形成することをさらに含む、請求項10に記載の方法。
- 樹脂供給分を保持するように構成されたバットと、
前記バットの内側に配置された構築面と、
プリントヘッドと、
エネルギー源と、
硬化促進装置と、
前記プリントヘッド、前記エネルギー源、及び前記硬化促進装置と通信するプロセッサとを備え、
前記プロセッサが、
前記プリントヘッドを作動させてマトリックスコーテッド連続補強材を前記バットの内側の前記構築面に吐出し、
前記硬化促進装置を作動させて、前記マトリックスコーテッド連続補強材を樹脂に浸漬させる前に、前記マトリックスコーテッド連続補強材中のマトリックスを前記硬化促進装置からの硬化エネルギーに露出し、
前記吐出されたマトリックスコーテッド連続補強材を前記樹脂に浸漬させ、
前記エネルギー源を作動させて前記マトリックスコーテッド連続補強材の表面上の前記樹脂を硬化エネルギーに露出するように構成される、付加製造システム。 - 前記構築面に接続された昇降機をさらに含み、前記プロセッサが、前記昇降機を作動させて前記マトリックスコーテッド連続補強材を前記樹脂供給分の中に徐々に下げるようにさらに構成される、請求項20に記載の付加製造システム。
- 前記マトリックスコーテッド連続補強材を徐々に下げる間、前記構築面より下の前記バットの部分から前記構築面より上の前記バットの部分へ樹脂を通過させるために前記構築面が穿孔される、請求項21に記載の付加製造システム。
- 前記マトリックスコーテッド連続補強材の吐出後、前記バットの内側の前記樹脂供給分の液位を徐々に上げるために移動可能である弁をさらに含み、前記プロセッサが、前記弁と通信し、かつ、前記弁を作動させて前記吐出されたマトリックスコーテッド連続補強材を前記樹脂に浸漬させるように構成される、請求項20に記載の付加製造システム。
- 前記バットの内側で前記プリントヘッドを動かすように構成された支持体をさらに含み、前記プロセッサが、前記支持体と通信し、かつ、前記支持体を作動させて、前記マトリックスコーテッド連続補強材の前記構築面への吐出中に前記プリントヘッドを移動させるように構成される、請求項20に記載の付加製造システム。
- 前記プロセッサが、前記マトリックスコーテッド連続補強材の硬化層が前記樹脂の硬化層と交互に配置されることを引き起こすようにさらに構成される、請求項24に記載の付加製造システム。
- 前記プロセッサが、前記マトリックスコーテッド連続補強材の前記表面上の前記樹脂の硬化前に、前記マトリックスコーテッド連続補強材の全ての層が硬化されることを引き起こすようにさらに構成される、請求項24に記載の付加製造システム。
- 前記エネルギー源が、オーバーヘッドUVプロジェクタ、レーザ、及び電子ビーム発生器の少なくとも1つである、請求項20に記載の付加製造システム。
- 前記構築面が少なくとも部分的に透明であり、
前記付加製造システムが、前記マトリックスコーテッド連続補強材の表面上の樹脂を前記構築面を介して硬化エネルギーに露出するように構成された第2のエネルギー源をさらに含む、
請求項27に記載の付加製造システム。 - 前記バットの内側の前記樹脂の表面に酸素防止バリアを形成するように構成されたガス供給部をさらに含む、請求項20に記載の付加製造システム。
- 樹脂を保持するように構成された構築容積と、
プリントヘッドと、
支持体と、
少なくとも1つのエネルギー源と、
前記プリントヘッド及び前記少なくとも1つのエネルギー源と通信するプロセッサとを備え、
前記プロセッサが、
前記プリントヘッドを作動させて、マトリックスで少なくとも部分的にコーティングされた連続補強材を前記構築容積の中に吐出し、
前記少なくとも1つのエネルギー源を作動させて前記マトリックスを少なくとも部分的に硬化させ、
前記連続補強材及び前記少なくとも部分的に硬化したマトリックスを前記樹脂に少なくとも部分的に浸漬させるように構成される、付加製造システム。 - 前記少なくとも1つのエネルギー源が、
前記マトリックスを第1の硬化エネルギーに露出するように構成された第1のエネルギー源と、
第2のエネルギー源であって、前記プロセッサが、第2のエネルギー源とさらに通信し、かつ、前記第1のエネルギー源の作動後に前記第2のエネルギー源を作動させて、前記マトリックスが少なくとも部分的に硬化した後に前記構築容積内の前記樹脂を第2の硬化エネルギーに露出するように構成される、第2のエネルギー源と
を含む、請求項30に記載の付加製造システム。 - 樹脂供給分を保持するように構成されたバットと、
プリントヘッドと、
少なくとも1つのエネルギー源と、
前記プリントヘッド及び前記少なくとも1つのエネルギー源と通信するプロセッサとを備え、
前記プロセッサが、
前記プリントヘッドを作動させて構造骨格を前記バットの中に吐出し、
前記少なくとも1つのエネルギー源を作動させて、前記バット内の前記構造骨格の形状を保持するのに十分な前記構造骨格内のマトリックスを硬化させ、
その後、前記樹脂供給分を作動させて前記構造骨格を樹脂に少なくとも部分的に浸漬させ、
前記少なくとも1つのエネルギー源を作動させて前記構造骨格上の前記樹脂のコーティングを硬化させるように構成される、付加製造システム。 - 前記構造骨格が、マトリックスでコーティングされた連続補強材から形成される、請求項32に記載の付加製造システム。
- 前記少なくとも1つのエネルギー源が、少なくとも、前記マトリックスを硬化させるように構成された硬化促進装置を含む、請求項33に記載の付加製造システム。
- 前記少なくとも1つのエネルギー源が、前記樹脂を硬化させるように構成された第2のエネルギー源をさらに含む、請求項33に記載の付加製造システム。
- 前記樹脂が、フォトポリマーである、請求項33に記載の付加製造システム。
- 前記マトリックスが、フォトポリマーである、請求項36に記載の付加製造システム。
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