JP6908705B2 - 熱屈曲材料供給による付加製造 - Google Patents
熱屈曲材料供給による付加製造 Download PDFInfo
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- JP6908705B2 JP6908705B2 JP2019529974A JP2019529974A JP6908705B2 JP 6908705 B2 JP6908705 B2 JP 6908705B2 JP 2019529974 A JP2019529974 A JP 2019529974A JP 2019529974 A JP2019529974 A JP 2019529974A JP 6908705 B2 JP6908705 B2 JP 6908705B2
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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
- B22F3/1017—Multiple heating or additional steps
- B22F3/1021—Removal of binder or filler
- B22F3/1025—Removal of binder or filler not by heating only
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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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/142—Thermal or thermo-mechanical treatment
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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
- B22F10/10—Formation of a green body
- B22F10/16—Formation of a green body by embedding the binder within the powder bed
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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
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—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
- 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 [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- 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
- B22F10/40—Structures for supporting workpieces or articles during manufacture and removed afterwards
-
- 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
- B22F2202/00—Treatment under specific physical conditions
- B22F2202/15—Use of fluidised beds
-
- 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
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Description
本出願は、2016年12月6日に出願された「焼結付加製造パーツ用ウォームスプール供給」と題する米国仮特許出願第62/430,902号;2017年1月4日に出願された「焼結準備済みパーツの付加層の一体堆積及びデバインド」と題する米国仮特許出願第62/442,395号;2017年3月31日に出願された「流動層における焼結付加製造パーツ」と題する米国仮特許出願第62/480,331号;2017年4月24日に出願された「マイクロ波加熱炉における焼結付加製造パーツ」と題する米国仮特許出願第62/489,410号;2017年5月11日に出願された「内部流路を介した急速デバインド」と題する米国仮特許出願第62/505,081号;2017年6月13日に出願された「焼結可能3D印刷パーツにおけるバインダ内応力の補償」と題する米国仮特許出願第62/519,138号;2017年8月15日に出願された「可溶性バインダ供給原料における金属粉末の3D印刷におけるバブルレメディエーション」と題する米国仮特許出願第62/545,966号;及び2017年10月20日に出願された「焼結性粉末供給原料を有する3D印刷内部フリースペース」と題する米国仮特許出願第62/575,219号に対して米国特許法第119条(e)に基づいて利益を主張するものであり、それらの開示は参照によりその全体が本明細書に組み込まれている。
定義
Claims (11)
- 付加製造の方法であって、
チャンバにおいて、ビルド材フィラメントの第1スプールを維持し、前記ビルド材フィラメントは、1以上のバインダ成分を含んでいる母材及び容量で50%を超える焼結性粉末金属を含んでおり、
前記チャンバにおいて、剥離材フィラメントの第2スプールを維持し、前記剥離材フィラメントは、第2バインダ及び粉末セラミックを含んでおり、
前記チャンバにおける前記第1スプールから印刷ヘッドアセンブリへの落下高さを越えて、前記ビルド材フィラメントを滴下し、
前記第2スプールから前記印刷ヘッドアセンブリへの前記落下高さを越えて、前記剥離材フィラメントを滴下し、
前記チャンバにおけるヒータからの加熱空気で、前記第1スプール上において及び前記落下高さに沿って、前記1以上のバインダ成分の軟化成分のガラス転移温度より低い温度まで前記ビルド材フィラメントを直接加熱し、前記ビルド材フィラメントを屈曲させ、
ビルドプレート上に前記ビルド材フィラメント及び前記剥離材フィラメントの層を堆積させ、前記落下高さが前記ビルドプレートの対角線と実質的に等しい又は前記ビルドプレートの対角線より長く、
前記母材の前記1以上のバインダ成分の少なくとも1つ及び前記第2バインダを溶媒でデバインドし、前記ビルド材フィラメント及び前記剥離材フィラメントの各々を含んでいるブラウンパーツアセンブリを形成し、
前記剥離材フィラメントを剥離粉末に分解させつつ、前記ブラウンパーツアセンブリを焼結する方法。 - 請求項1に記載の方法であって、
前記落下高さに沿って滴下された前記ビルド材フィラメントは、10cmを超える曲げ半径を有している方法。 - 請求項2に記載の方法であって、さらに、
ビルドプレートヒータにより50℃乃至120℃まで前記ビルドプレートを加熱する方法。 - 請求項2に記載の方法であって、さらに、
前記ビルドプレートを前記落下高さより下に位置決めし、
前記ビルドプレートを加熱し、
前記ビルドプレートから前記チャンバへ加熱空気を提供する方法。 - 請求項4に記載の方法であって、
前記第1スプール上で前記落下高さに沿って、前記ビルド材フィラメントを直接加熱することは、前記ヒータで、前記ビルドプレートから前記チャンバに前記加熱空気を引き込むことを含む方法。 - 請求項1に記載の方法であって、
前記1以上のバインダ成分は、前記軟化成分に加えてポリマーを含んでおり、前記軟化成分は、ワックス、脂肪酸、脂肪酸エステル、脂肪アルコール、アルカン、ワセリン、ナフタリン、グリコール及びグリセロールから選択される溶媒抽出可能な非ポリマー成分を含んでいる方法。 - 請求項1に記載の方法であって、さらに、
前記印刷ヘッドアセンブリを横方向に運び、前記ビルドプレートの表面積の50%を超える印刷領域を横断させることで、前記ビルド材フィラメントが前記印刷ヘッドアセンブリの前記横方向の運搬により前記第1スプールから解かれるようにする方法。 - 請求項7に記載の方法であって、さらに、
前記印刷ヘッドアセンブリに繋がる可撓性ボーデンチューブで前記ビルド材フィラメントを誘導し、前記可撓性ボーデンチューブが前記落下高さの1/3未満である方法。 - 請求項1に記載の方法であって、
前記ビルド材フィラメントの断面直径は、0.5mmを超えるが、2mm未満である方法。 - 請求項9に記載の方法であって、
前記ビルド材フィラメントの断面直径は、1mm以下であり、前記温度は、40℃より高い方法。 - 請求項9に記載の方法であって、
前記温度は、50℃より高く、55℃未満である方法。
Applications Claiming Priority (17)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662430902P | 2016-12-06 | 2016-12-06 | |
| US62/430,902 | 2016-12-06 | ||
| US201762442395P | 2017-01-04 | 2017-01-04 | |
| US62/442,395 | 2017-01-04 | ||
| US201762480331P | 2017-03-31 | 2017-03-31 | |
| US62/480,331 | 2017-03-31 | ||
| US201762489410P | 2017-04-24 | 2017-04-24 | |
| US62/489,410 | 2017-04-24 | ||
| US201762505081P | 2017-05-11 | 2017-05-11 | |
| US62/505,081 | 2017-05-11 | ||
| US201762519138P | 2017-06-13 | 2017-06-13 | |
| US62/519,138 | 2017-06-13 | ||
| US201762545966P | 2017-08-15 | 2017-08-15 | |
| US62/545,966 | 2017-08-15 | ||
| US201762575219P | 2017-10-20 | 2017-10-20 | |
| US62/575,219 | 2017-10-20 | ||
| PCT/US2017/064779 WO2018106733A1 (en) | 2016-12-06 | 2017-12-05 | Additive manufacturing with heat-flexed material feeding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2020501023A JP2020501023A (ja) | 2020-01-16 |
| JP2020501023A5 JP2020501023A5 (ja) | 2021-04-01 |
| JP6908705B2 true JP6908705B2 (ja) | 2021-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019529974A Expired - Fee Related JP6908705B2 (ja) | 2016-12-06 | 2017-12-05 | 熱屈曲材料供給による付加製造 |
Country Status (8)
| Country | Link |
|---|---|
| US (6) | US10828698B2 (ja) |
| EP (1) | EP3551365B1 (ja) |
| JP (1) | JP6908705B2 (ja) |
| CN (1) | CN110049838B (ja) |
| AU (1) | AU2017372858B2 (ja) |
| CA (1) | CA3040921C (ja) |
| IL (1) | IL266909B2 (ja) |
| WO (1) | WO2018106733A1 (ja) |
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| US20190047047A1 (en) | 2019-02-14 |
| AU2017372858A1 (en) | 2019-05-02 |
| IL266909B2 (en) | 2024-01-01 |
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