JP2019517935A - 粉末構築材料のハンドリング - Google Patents
粉末構築材料のハンドリング Download PDFInfo
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Abstract
Description
幾つかの三次元印刷技術は、3D物体の層を形成するために選択的に凝固(固化)される薄膜層および当該部分に形成される粉末状構築材料を使用する。粉末状構築材料は、粉末構築材料供給部から三次元プリンタの構築領域に供給され得る。
以下の説明において、説明のために特定の例に関する多くの特定の細部が記載される。本明細書において「例」又は類似の言い回しに対する言及は、例に関連して説明される特定の特徴、構造または特性が少なくともその1つの例、必ずというわけではないが他の例に含まれることを意味する。
Claims (15)
- 三次元プリンタ用の粉末構築材料ハンドリングシステムであって、
粉末構築材料供給部から粉末構築材料をガス流の状態で運び、前記ガス流から前記粉末構築材料を分離するために前記ガス流をフィルタリングし、閉じたシステムを形成するためにフィルタリングされたガス流を前記粉末構築材料供給部に送るための供給システムを含む、粉末構築材料ハンドリングシステム。 - 前記供給システムが前記ガス流を加熱するためのヒータを含む、請求項1に記載のシステム。
- 前記ヒータが、前記フィルタリングされたガス流に熱を印加することができる、請求項2に記載のシステム。
- 前記供給システムが、前記粉末構築材料の特性に依存して選択されたガス流の流速で前記粉末構築材料を運ぶことができる、請求項1に記載のシステム。
- 前記供給システムが、ガス流を生成するための真空ポンプを含む、請求項1に記載のシステム。
- 前記ガス流から分離された粉末構築材料を分配するための粉末構築材料分配器を含む、請求項1に記載のシステム。
- 粉末構築材料供給部を含み、
前記粉末構築材料供給部が、リザーバ、及び前記リザーバ内の粉末構築材料から粉末構築材料のサンプルを分離するための粉末サンプラーを含む、請求項1に記載のシステム。 - 前記粉末サンプラーが、粉末のサンプルをガス流に付着することができる、請求項7に記載のシステム。
- 三次元プリンタの粉末構築材料供給部から粉末構築材料をガス流の状態で移送し、
前記ガス流から粉末構築材料を堆積するために前記ガス流をフィルタリングし、
前記フィルタリング後、ガス流を前記粉末構築材料供給部に戻すことを含む、方法。 - ガス流を加熱することを含む、請求項9に記載の方法。
- 前記加熱することが、粉末構築材料の特性に依存して所定の温度までガス流を加熱することを含む、請求項10に記載の方法。
- 前記粉末構築材料供給部において粉末構築材料の均質なサンプルをガス流に付着することを含む、請求項9に記載の方法。
- 三次元プリンタ用の粉末構築材料ハンドリングシステムであって、
粉末構築材料をガス流の状態で粉末構築材料供給部から粉末堆積区域に運ぶための供給システムを含み、前記供給システムが、ガス流を加熱するためのヒータを含む、粉末構築材料ハンドリングシステム。 - 前記供給システムは、
前記粉末構築材料供給部の出口を粉末堆積区域の入口に接続するための第1の流路と、
前記粉末堆積区域の出口を前記粉末構築材料供給部の入口に接続するための第2の流路と、
粉末構築材料をガス流の状態で前記粉末構築材料供給部から前記粉末堆積区域へ前記第1の流路を介して運ぶために、前記第1の流路および前記第2の流路に沿って前記粉末構築材料供給部および前記粉末堆積区域を介してガス流を循環させるためのポンプとを含み、
前記ヒータは、前記ガス流が前記第2の流路に沿って通過する際、ガス流を加熱することができる、請求項13に記載のシステム。 - 前記供給システムは、前記粉末堆積区域の出口においてガス流から粉末構築材料をフィルタリングするためのフィルタを含む、請求項14に記載のシステム。
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CN113348068B (zh) * | 2019-04-30 | 2023-11-03 | 惠普发展公司,有限责任合伙企业 | 材料移除系统 |
JP2022068491A (ja) * | 2020-10-22 | 2022-05-10 | セイコーエプソン株式会社 | 三次元造形装置および射出成形装置 |
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EP3436238A4 (en) | 2019-12-25 |
EP3436238B1 (en) | 2023-01-11 |
US20190152147A1 (en) | 2019-05-23 |
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