JP6873190B2 - 選択的なレーザ焼結装置又はレーザ溶融装置を露光制御するための方法及び装置 - Google Patents
選択的なレーザ焼結装置又はレーザ溶融装置を露光制御するための方法及び装置 Download PDFInfo
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- 238000002844 melting Methods 0.000 title claims description 6
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- 238000000110 selective laser sintering Methods 0.000 title description 2
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- 238000000149 argon plasma sintering Methods 0.000 claims description 4
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
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Description
2 プロセスチャンバ
3 構造コンテナ
4 構造プラットフォーム
5 コーティング装置
6 構造材料
7 配量チャンバ
8 スキャナ
9 放射
10 放射源
11 構造材料層
15 ビームスプリッタ
20 捕捉ユニット
21 メモリ
22 比較装置
23 プロセッサ装置
25 入力装置
26 ディスプレイ
30 境界
31 スキャンフィールド
32 スキャンフィールド
Claims (10)
- 三次元物体を製造するためのレーザー焼結又はレーザー溶融装置(1)であって、
構造プラットフォーム(4)を有する前記装置(1)のプロセスチャンバ(2)、
薄い層の形態の構造材料(6)を塗布するように構成された、前記構造プラットフォーム(4)に隣接して配置されたコーティング装置(5)、
前記構造プラットフォーム(4)に隣接して配置された複数のスキャナ(8a、8b)のそれぞれに放射(9)のビームを向けるように構成された1つ又は複数の放射源(10)であって、前記複数のスキャナ(8a,8b)のそれぞれは、前記1つ又は複数の放射源(10)から前記放射(9)をプロセス制御して同時に構造材料層(11)に向け、前記構造材料層(11)の対応する部分を同時に照射して固化するために別々に作動されるように構成される、1つ又は複数の放射源(10)、
それぞれ個々の前記スキャナ(8a、8b)に関連する前記1つ又は複数の放射源(10)の照射時間、及び/又はそれぞれ個々の前記スキャナ(8a、8b)によって検出された照射面を、照射の段階において別々に検出して、電子的なメモリ(21)にメモリするように構成された電子的な捕捉ユニット(20)、
個々の前記スキャナ(8a、8b)の照射時間、及び/又は個々の前記スキャナ(8a、8b)の照射面の値を互いに比較するように構成された電子的な比較装置(22)、並びに
前記比較装置(22)の出力部に接続されているとともに、個々の前記スキャナ(8a、8b)の照射時間の値又は照射面の値が異なる場合に、それぞれ個々の前記スキャナ(8a、8b)の照射時間及び/又は照射面が平面に関してできる限り一致されるように、それぞれ個々の前記スキャナ(8a,8b)によって照射されるべき表面範囲の新たな設定を演算するプロセス装置(23)、
を備えた装置。 - 上部スキャンフィールド(31)、境界(30)、及び下部スキャンフィールド(32)が、前記複数のスキャナ(8a、8b)のそれぞれによって規定可能であり、前記境界が前記上部スキャンフィールド(31)と前記下部スキャンフィールド(32)との間に位置する、請求項1に記載の装置。
- 後続の照射通過時に生じる前記各スキャナ(8a,8b)のための照射時間が少なくともほぼ同一であるように、1つ又は複数の構造材料層(11)の固化後に前記境界(30)が動的に適合される、請求項2に記載の装置。
- 前記複数のスキャナ(8a、8b)のそれぞれに対する前記上部スキャンフィールド(31)及び前記下部スキャンフィールド(32)のそれぞれの大きさが、前記スキャナ(8a、8b)の読み取り可能な制御データに基づいて決定される、請求項2に記載の装置。
- 前記装置のオペレータが、前記複数のスキャナ(8a、8b)のそれぞれに対して、前記上部スキャンフィールド(31)及び前記下部スキャンフィールド(32)のそれぞれの大きさを設定することを可能にするように適合されている、請求項4に記載の装置。
- 前記上部スキャンフィールド(31)と前記下部スキャンフィールド(32)とに対して段階的に前記境界(30)を調整するように適合されている、請求項2に記載の装置。
- 前記境界(30)が直線である、請求項2に記載の装置。
- 前記複数のスキャナ(8a、8b)のそれぞれに対する照射時間又は照射面の比較により、前記境界(30)の変位が生じない場合には、前記境界(30)の位置に変動をもたらすように適合される、請求項2に記載の装置。
- 前記複数のスキャナ(8a、8b)のうちの少なくとも1つが、前記複数のスキャナ(8a、8b)のうちの別のスキャナ(8a,8b)のスキャンフィールド(31,32)において、照射部分の応力を低減した予備露光を行うように構成される、請求項1に記載の装置。
- 前記予備露光の露光時間が、スキャンフィールド境界の変位に影響を有さないように適合されている、請求項9に記載の装置。
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CN107107467B (zh) | 2019-03-29 |
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JP2019137075A (ja) | 2019-08-22 |
US20180370128A1 (en) | 2018-12-27 |
WO2016075026A1 (de) | 2016-05-19 |
CN110239090A (zh) | 2019-09-17 |
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EP3218168B1 (de) | 2018-06-13 |
EP3363621B1 (de) | 2023-05-03 |
EP3363621A1 (de) | 2018-08-22 |
CN107107467A (zh) | 2017-08-29 |
US20170320264A1 (en) | 2017-11-09 |
JP7127896B2 (ja) | 2022-08-30 |
JP2021112916A (ja) | 2021-08-05 |
EP3218168B2 (de) | 2024-03-06 |
US10137633B2 (en) | 2018-11-27 |
US20210101333A1 (en) | 2021-04-08 |
US11945159B2 (en) | 2024-04-02 |
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