JP2021504565A - 二部構成ポリゴンスキャナを用いた付加製造 - Google Patents
二部構成ポリゴンスキャナを用いた付加製造 Download PDFInfo
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Abstract
Description
任意選択的に、付加製造システム100の幾つかの部品、例えばビルドプラットフォーム102や供給材料供給システムは、ハウジングによって取り囲まれてよい。ハウジングは、例えば、約1Torr以下の圧力などにおいて、減圧環境がハウジング内のチャンバ内で維持できるようにすることができる。代替的には、チャンバの内部は、例えば、粒子を除去するためにフィルタリングされたガスなどの実質的に純粋なガスとすることができ、又はチャンバを大気に通気することができる。純粋なガスは、アルゴン、窒素、キセノン、及び混合された不活性ガスなどの、不活性ガスを構成することができる。
本開示の側面は、マーキング及び3Dスキャニングなどの他のポリゴンレーザー用途に適用可能である。
別の可能な構成では、単一方向パターンの代わりに往復スキャニングパターンを実現するために、第2のポリゴンが逆回転されてよい。
Claims (15)
- 付加製造装置であって、
プラットフォーム、
前記プラットフォーム上に供給材料の複数の連続層を供給するように構成された分注器、
光線を生成するように構成された光源、
前記光源からの前記光線を受け取り、前記光線を前記プラットフォームに向けて反射するための第1のポリゴンミラースキャナ、及び
前記光源からの前記光線を受け取り、前記光線を前記プラットフォームに向けて反射するための第2のポリゴンミラースキャナを備え、
前記光線が、前記第2のポリゴンミラースキャナのデッドタイム中に前記第1のポリゴンミラースキャナに向けられ、前記第1のポリゴンミラースキャナのデッドタイム中に前記第2のポリゴンミラースキャナに向けられるように、前記光源が、前記第1のポリゴンミラースキャナと前記第2のポリゴンミラースキャナに対して、前記光線を交互に向けるように構成されている、装置。 - 前記第1のポリゴンミラースキャナの回転軸が、前記第2のポリゴンミラースキャナの回転軸と平行である、請求項1に記載の装置。
- 前記第1のポリゴンミラースキャナと前記第2のポリゴンミラースキャナが、共通の回転軸を共有する、請求項2に記載の装置。
- 前記第1のポリゴンミラースキャナと前記第2のポリゴンミラースキャナが、等しい数のファセットを有する、請求項3に記載の装置。
- 前記第1のポリゴンミラースキャナのファセットが、前記第2のポリゴンミラースキャナのファセットから角度的にオフセットされている、請求項4に記載の装置。
- 前記第1のポリゴンミラースキャナの縁部が、前記第2のポリゴンミラースキャナの面の近似的に中央に一致するように、前記第1のポリゴンミラースキャナと前記第2のポリゴンミラースキャナが、互いから角度的にオフセットされている、請求項5に記載の装置。
- 前記第1のポリゴンミラースキャナが、前記共通の回転軸に対して第1の傾きを有する第1の複数のファセットを有し、前記第2のポリゴンミラースキャナが、前記共通の回転軸に対して異なる第2の傾きを有する第2の複数のファセットを有する、請求項3に記載の装置。
- 前記第1の傾きが、前記第2の傾きと等しい大きさで且つ反対の向きである、請求項7に記載の装置。
- 前記第2のポリゴンミラースキャナが、前記第1のポリゴンミラースキャナに隣接している、請求項1に記載の装置。
- 前記第2のポリゴンミラースキャナが、前記第1のポリゴンミラースキャナに当接している、請求項9に記載の装置。
- 前記光源からの前記光線を、前記第1のポリゴンミラースキャナと前記第2のポリゴンミラースキャナに対して交互に向けるように構成された、操縦ミラーを更に備える、請求項1に記載の装置。
- 前記第1のポリゴンミラースキャナと前記第2のポリゴンミラースキャナが、供給材料の最も外側の層の上の同じスキャン経路に向けて、前記光線を反射するように構成されている、請求項1に記載の装置。
- 前記スキャン経路が、前記第1のポリゴンミラースキャナの回転軸及び前記第2のポリゴンミラースキャナの回転軸と垂直である、請求項12に記載の装置。
- 前記第1のポリゴンミラースキャナと前記第2のポリゴンミラースキャナが、互いに調和して回転するように構成されている、請求項1に記載の装置。
- 付加製造方法であって、
光源を用いて光線を生成することと、
前記光線を第1のポリゴンミラースキャナに向け、前記第1のポリゴンミラースキャナを用いて、前記光線をプラットフォーム上の供給材料の最上層にわたるスキャン経路にわたりスキャンすること、及び
前記光線を第2のポリゴンミラースキャナに向け、前記第2のポリゴンミラースキャナを用いて、前記光線をプラットフォーム上の供給材料の最上層にわたる前記スキャン経路にわたりスキャンすること、
を交互に行うこととを含み、
前記光線が、前記第2のポリゴンミラースキャナのデッドタイム中に前記第1のポリゴンミラースキャナに向けられ、前記第1のポリゴンミラースキャナのデッドタイム中に前記第2のポリゴンミラースキャナに向けられる、方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762590211P | 2017-11-22 | 2017-11-22 | |
US62/590,211 | 2017-11-22 | ||
US16/169,988 US20190151944A1 (en) | 2017-11-22 | 2018-10-24 | Additive Manufacturing with a Two-Part Polygon Scanner |
US16/169,988 | 2018-10-24 | ||
PCT/US2018/062245 WO2019104167A2 (en) | 2017-11-22 | 2018-11-21 | Additive manufacturing with a two-part polygon scanner |
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JP2021504565A true JP2021504565A (ja) | 2021-02-15 |
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JP2020527814A Pending JP2021504565A (ja) | 2017-11-22 | 2018-11-21 | 二部構成ポリゴンスキャナを用いた付加製造 |
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EP (1) | EP3713744A4 (ja) |
JP (1) | JP2021504565A (ja) |
KR (1) | KR20200075894A (ja) |
CN (1) | CN111417505A (ja) |
TW (1) | TW201930055A (ja) |
WO (1) | WO2019104167A2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2019217690A1 (en) | 2018-05-09 | 2019-11-14 | Applied Materials, Inc. | Additive manufacturing with a polygon scanner |
JP7136601B2 (ja) * | 2018-06-25 | 2022-09-13 | 川崎重工業株式会社 | 導光装置及びレーザ加工装置 |
DE102019004853A1 (de) * | 2019-07-14 | 2021-01-28 | Keming Du | Anordnung von Multi-Polygonen zur effektiven Nutzung von Laserleistung |
US11163154B2 (en) * | 2019-11-04 | 2021-11-02 | Intel Corporation | Multi-polygon, vertically-separated laser scanning apparatus and methods |
CN112643056B (zh) * | 2020-12-18 | 2022-11-08 | 中国科学院上海光学精密机械研究所 | 基于双脉冲光源照明的面扫描式激光增材制造装置 |
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Also Published As
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EP3713744A2 (en) | 2020-09-30 |
CN111417505A (zh) | 2020-07-14 |
EP3713744A4 (en) | 2021-07-28 |
TW201930055A (zh) | 2019-08-01 |
KR20200075894A (ko) | 2020-06-26 |
US20190151944A1 (en) | 2019-05-23 |
WO2019104167A3 (en) | 2019-07-04 |
WO2019104167A2 (en) | 2019-05-31 |
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