JP2014529523A - 多材料から構成される自由造形可能な微細部品の積層造形法 - Google Patents
多材料から構成される自由造形可能な微細部品の積層造形法 Download PDFInfo
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Abstract
Description
本発明は、仮想3Dモデル(CADモデル)を用いて開始され、この3D情報を用いて制御された方法で材料を追加して物体を成形するような物体を製作する方法を扱う。これらの種類の方法は、例えば光造形システム、自由造形製作、積層造形及び追加的な造形等の多数の用語によって一般に呼ばれている。3Dプリントは、このグループに属する一つの方法である。非常に複雑な形状を有する物体が平坦層の集合によって表すことができるので、この方法によれば、これら積層造形方法の実際の実装精度の範囲内で任意の所望の形状を製作することができる。
なお、当業者によって容易に理解されるように、図面は縮尺通りではないことを理解するべきであり、図面に示された以外の寸法は、本発明の範囲内で同様に可能である。
単純なモデル実験において、ドクターブレードの成型(casting)ステーションを、スロットダイの代わりに、層の手動塗布のために使用した。焼結アルミナのプレート上で、金属パターンがスクリーン印刷された。このパターンは、図3で、接点によって終端するような様々な寸法の直線状導体線から構成される。プリントは、良好な電気導伝性を有する銀ペーストを用いて行った。
この接続は、図4に示される上層及び下層エンドポイントの間の短絡を測定することにより確認した。電流は、上下の層を交互に6つのビアを通じて進んだ。
積層造形用の機械を形成した。この機械は、ステージをXYZ方向に移動させることができるようなリニアアクチュエータ(NSK及びHIWIN)を有するテーブルで構成されている。可動ステージは、PLCコントローラ(Beijer)で制御される。
可動ステージは、(例えば精密ギアポンプ等の)精密ポンプを用いた圧力下でのセラミック懸濁液が供給されるようなスロットダイ(Premier Dies)が装着されている。セラミック懸濁液は、実施例1と同様であるが、固形分濃度は、スロットダイに適した粘度に調整した。
ディスペンサが、可動ステージにも取り付けられており、導電性ペーストで充填されている。
この機械は、3D導電性ビアをセラミックパッケージ構造体に形成するために使用した。
図5のブロック12で示されるように、平坦な基板を基盤として提供して、物体1を形成するための支持体2を形成するステップと、
図5のブロック13で示されるように、3a又は3bのような疎水性溶液を塗布することにより、水ベースの粉末懸濁液の粉末層4,4a,4b等を含む平坦な基板の選択した一部、又は支持体2を形成する基盤を疎水化するステップと、
図5のブロック14で示されるように、5μm以下のサイズの粒子から構成される水ベースの粉末懸濁液4a又は4bを、50μm以下の厚さの層に拡散させるステップと、
図5のブロック15で示されるように、粉末成形体中に保持される結合剤5を粉末層の一部に塗布するステップと、
図5のブロック16で示されるように、水ベースの懸濁液の疎水性反発力によって形成された層内のギャップに粉末懸濁液又は粉末ペースト等の1つ以上の二次材料6aを塗布するステップと、
図5のブロック17で示されるように、粉末層4a,4b,4c等、疎水性領域3a、3b、結合剤5a,5b,5c、及び二次材料6aに対応する二次材料を上述したように繰り返し追加して、所望の形状及び大きさの粉状体を形成するステップと、
図5のブロック18で示されるように、付着粉末を物体から洗い流すか清掃して、支持体2から物体を取り外すステップと、
図5のブロック19で示されるように、熱処理を行って結合剤を除去して粉末状物体を固形状物体に焼結するステップと、を含む。
Claims (14)
- 含まれる全ての材料に対して自由造形能力を有する複数の材料から構成されるような層を追加して物体を製造する方法であって、当該方法が、
a)物体を形成するための支持体を形成する基盤として平坦な基板を提供するステップと、
b)疎水性溶液を塗布することによって平坦な基板の選択された部分を疎水化するステップと、
c)5μm以下のサイズの粒子から構成される水ベースの粉末懸濁液を50μm以下の厚さの層として拡散するステップと、
d)粉末成形体内に保持される結合剤を粉末層の一部に塗布するステップと、
e)水ベースの懸濁液の疎水性反発力によって形成された層内のギャップに粉末懸濁液又は粉末ペーストのような1つ以上の二次材料を塗布するステップと、
f)粉末層、疎水性領域、結合剤、及び二次材料を上述したステップのように繰り返し追加して、所望の形状及び大きさの粉状体を形成するステップと、
g)物体から付着粉末を洗い流すか清掃して、物体を支持体から取り外すステップと、
h)熱処理を行って結合剤を除去して、粉末状物体を固形状物体に焼結させるステップと、を含む、
方法。 - 前記粉末層のギャップは、キャビティ又はチャネルを焼結された物体内に留めるように犠牲材料で選択的に充填される、
請求項1に記載の方法。 - 前記粉末懸濁液は、ドクターブレード、スロットダイ又は押出法によって層状に堆積され、前記疎水性材料及び前記結合剤がインクジェット印刷によって堆積され、前記二次材料がインクジェット印刷又は分布によって堆積される、
請求項1又は2に記載の方法。 - 前記疎水性材料は、フルオロカーボン又はシリコーンの溶液又は分散液である、
請求項1に記載の方法。 - 前記粉末懸濁液は、セラミック又は硬質金属粉末から構成される、
請求項1乃至4のいずれか一項に記載の方法。 - 追加の機能性は、センサ又はアクチュエータ用の誘電体、抵抗体、半導電体、磁性体又は他の機能性材料を含めることによって追加される、
請求項1乃至5のいずれか一項に記載の方法。 - 当該方法は、マイクロシステムのパッケージを形成するべく、導電性材料及び絶縁性材料を有する構造体を形成するために使用される、
請求項1乃至6のいずれか一項に記載の方法。 - 当該方法は、インプラント又は歯科用交換品を形成するために使用される、
請求項1乃至6のいずれか一項に記載の方法。 - 当該方法は、研削又は切断用の工具を形成するために使用される、
請求項1乃至6のいずれか一項に記載の方法。 - 当該方法は、機械的な精密部品を形成するために使用される、
請求項1乃至6のいずれか一項に記載の方法。 - 当該方法は、マイクロ波用の導波路として使用するために、セラミック材料内に金属化表面を有するチャネル及びキャビティを形成するために使用される、
請求項1乃至6のいずれか一項に記載の方法。 - 当該方法は、流体を輸送するために、セラミック材料内に金属化表面を有するチャネル及びキャビティを形成するために使用される、
請求項1乃至6のいずれか一項に記載の方法。 - 当該方法は、光導波路を形成するために使用される、
請求項1乃至6のいずれか一項に記載の方法。 - 前記光導波路が、セラミック材料内に又は該セラミック材料上部に形成される、
請求項13に記載の方法。
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JP2016155257A (ja) * | 2015-02-23 | 2016-09-01 | 株式会社リコー | 造形データ作成装置、プログラム、造形装置 |
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JP2018508393A (ja) * | 2015-03-17 | 2018-03-29 | シンター・プリント・インコーポレーテッド | 反応性付加製造 |
CN107530901B (zh) * | 2015-03-17 | 2021-03-12 | 元件3D有限公司 | 反应性增材制造 |
JP2016175287A (ja) * | 2015-03-20 | 2016-10-06 | 日本電気株式会社 | 積層造形構造体 |
JP2017150071A (ja) * | 2016-02-23 | 2017-08-31 | ゼロックス コーポレイションXerox Corporation | 異なる特性を有する異なる材料で三次元の印刷物を製作するためのシステムおよび方法 |
JP2020503455A (ja) * | 2016-12-22 | 2020-01-30 | ヒルティ アクチエンゲゼルシャフト | 定義通りに配置された切削要素を含む、粉末又はペースト状の材料からグリーン体の層形成を行うための方法 |
JP2020503454A (ja) * | 2016-12-22 | 2020-01-30 | ヒルティ アクチエンゲゼルシャフト | 粉末材料から部品の層形成を行うための方法 |
JP2020503456A (ja) * | 2016-12-22 | 2020-01-30 | ヒルティ アクチエンゲゼルシャフト | 規定通りに配置された挿入要素により粉末材料からグリーン体層を形成する方法 |
JP2019034551A (ja) * | 2017-08-18 | 2019-03-07 | エス.ア.エス. スリーディーセラム − シントー | 付加製造技術によるセラミックス又は金属材料の製造方法及び製造装置 |
US11090725B2 (en) | 2017-08-18 | 2021-08-17 | S.A.S 3Dceram-Sinto | Method and machine for manufacturing pieces made of ceramic or metallic material by the technique of additive manufacturing |
JP2020196218A (ja) * | 2019-06-04 | 2020-12-10 | セイコーエプソン株式会社 | 三次元造形物の製造方法 |
JP7346917B2 (ja) | 2019-06-04 | 2023-09-20 | セイコーエプソン株式会社 | 三次元造形物の製造方法 |
Also Published As
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EA201400272A1 (ru) | 2014-06-30 |
BR112014004155B1 (pt) | 2020-07-14 |
JP5985641B2 (ja) | 2016-09-06 |
KR20140069021A (ko) | 2014-06-09 |
CA2846461A1 (en) | 2013-03-07 |
CN103826830B (zh) | 2016-05-18 |
EA025234B1 (ru) | 2016-12-30 |
ES2567076T3 (es) | 2016-04-19 |
KR101995940B1 (ko) | 2019-10-17 |
US9545669B2 (en) | 2017-01-17 |
WO2013030064A1 (en) | 2013-03-07 |
EP2747986B1 (en) | 2016-01-20 |
EP2747986A1 (en) | 2014-07-02 |
SE1100624A1 (sv) | 2013-02-27 |
BR112014004155A2 (pt) | 2017-03-21 |
CA2846461C (en) | 2019-12-03 |
SE536670C2 (sv) | 2014-05-13 |
US20150306664A1 (en) | 2015-10-29 |
CN103826830A (zh) | 2014-05-28 |
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