JP2016516886A - 選択的レーザ固化装置及び方法 - Google Patents
選択的レーザ固化装置及び方法 Download PDFInfo
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- B33Y10/00—Processes of additive manufacturing
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- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y50/00—Data acquisition or data processing for additive manufacturing
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
- B22F10/322—Process control of the atmosphere, e.g. composition or pressure in a building chamber of the gas flow, e.g. rate or direction
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
Description
Claims (15)
- 粉末層が堆積され得る粉末床、
当該粉末床の上方でガスの流れ方向に沿ってガスの流れを通過させるためのガス流しユニット、
一つ以上の対象物を形成するために、当該粉末層の少なくとも一部を選択的に固化すべく、当該粉末層の上方でレーザビームをスキャンするレーザスキャンユニット、及び
当該レーザビームのスキャン順序をガス流れ方向に基づいて選択する処理ユニット、
を備えることを特徴とする選択的レーザ固化装置。 - スキャン順序は、スキャン中に生成されたデブリがこれからスキャンされる粉末層の領域から運び去られるように選択されることを特徴とする請求項1に記載の選択的レーザ固化装置。
- 処理ユニットは、一の領域が他の領域のガス流れ方向の風下に配置されているという理由で、一の領域を他の領域の前にスキャンするべく選択することを特徴とする請求項1又は2に記載の選択的レーザ固化装置。
- 一つ以上の対象物は、少なくとも一つの粉末層内の別々のアイランドの固化によって形成され、処理ユニットは、少なくとも一つの粉末層におけるアイランドの相対的な位置とガスの流れ方向とに基づいてアイランドが形成される順序を選択するように構成されていることを特徴とする請求項1ないし3のいずれかに記載の選択的レーザ固化装置。
- アイランドが形成される順序は、アイランドを形成することで生成されたデブリが、これからアイランドが形成される粉末層の領域から運び去られるように選択されることを特徴とする請求項4に記載の選択的レーザ固化装置。
- 当該処理ユニットは、一のアイランドの少なくとも一部が他のアイランドの少なくとも一部のガス流れの風下に配置されているという理由で、他のアイランドの少なくとも一部の前に当該一のアイランドの少なくとも一部を形成するべく選択することを特徴とする請求項4又は5に記載の選択的レーザ固化装置。
- 第1のアイランドが第2のアイランドの風下に完全に配置されているアイランドについては、処理ユニットは、第2のアイランドを形成する前に第1のアイランドを完全に形成するべく選択するように構成されていることを特徴とする請求項4ないし6のいずれかに記載の選択的レーザ固化装置。
- 第1のアイランドの部分は風下であり、当該第1のアイランドの他の部分は第2のアイランドの風上であるように、第1のアイランドが、少なくとも部分的に第2のアイランドを囲むように配置されている場合、処理ユニットは、当該第1のアイランドの風下部分と風上部分とを形成する間において、当該第2のアイランドの少なくとも一部を形成するべく選択するように構成されていることを特徴とする請求項4ないし7のいずれかに記載の選択的レーザ固化装置。
- 処理ユニットは、各領域を固化するときに創成されるであろうデブリ降下ゾーンを投影し、そして一つ以上の他の固化される領域がデブリ降下ゾーン内に入るか否かを決定することによってスキャンされるべき順序を決定し、当該処理ユニットは、デブリ降下ゾーンが投影されていた領域を固化させる前に、デブリ降下ゾーンに入る一つ以上の他の領域を固化するべく選択することを特徴とする請求項1ないし8のいずれかに記載の選択的レーザ固化装置。
- 処理ユニットは、一つ以上の対象物のために構築プラットフォーム上に場所を選択するように構成され、当該処理ユニットは、場所が既に選択されている対象物のデブリ降下ゾーンに基づいて当該場所を選択することを特徴とする請求項1ないし9のいずれかに記載の選択的レーザ固化装置。
- 粉末床の上に粉末の層を堆積させ、そして粉末層の少なくとも一部を選択的に固化させるべく、堆積された粉末の上方でレーザビームのスキャンを繰り返すことにより、一つ以上の対象物が層ごとに形成され、ガス流が粉末床の上方をガス流れ方向に通過される、選択的レーザ固化プロセスにおけるレーザビームのスキャン順序を選択する方法であって、ガス流れ方向に基づいて、レーザビームのスキャン順序を選択することを備えることを特徴とする方法。
- 当該方法は、コンピュータによって実施されることを特徴とする請求項11に記載の方法。
- 格納されたインストラクションを有するデータキャリアであって、当該インストラクションは、プロセッサによって実行されるとき、プロセッサに請求項11の方法を実施させることを特徴とするデータキャリア。
- 粉末床の上に粉末の層を堆積させ、そして粉末層の少なくとも一部を選択的に固化させるべく、堆積された粉末の上方でレーザビームのスキャンを繰り返すことにより、一つ以上の対象物が層ごとに形成され、ガス流が粉末床の上方をガス流れ方向に通過される、選択的レーザ固化プロセスにおけるレーザビームのスキャン順序を選択する装置であって、当該装置は、処理ユニット、ディスプレイ及びユーザ入力装置を備え、当該処理ユニットが、構築プラットフォーム上の対象物の位置を含む一つ以上の対象物のデータを受取り、ディスプレイにデブリ降下ゾーンが各領域から投影されている、固化されるべき領域の画像を表示させ、そして、スキャンされるべき領域の順序のユーザ入力をユーザ入力装置から受取るように、構成されていることを特徴とする装置。
- 粉末床の上に粉末の層を堆積させ、そして粉末層の少なくとも一部を選択的に固化させるべく、堆積された粉末の上方でレーザビームのスキャンを繰り返すことにより、一つ以上の対象物が層ごとに形成され、ガス流が粉末床の上方をガス流れ方向に通過される、選択的レーザ固化プロセスにおけるレーザビームのスキャン順序を選択するデータキャリアであって、当該データキャリアは、プロセッサによって実行されるとき、プロセッサに構築プラットフォーム上の対象物の位置を含む一つ以上の対象物のデータを受取らせ、ディスプレイにデブリ降下ゾーンが各領域から投影されている、固化されるべき領域の画像を表示させ、そして、スキャンされるべき領域の順序のユーザ入力をユーザ入力装置から受取らせるインストラクションを有することを特徴とするデータキャリア。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
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GB201302602A GB201302602D0 (en) | 2013-02-14 | 2013-02-14 | Apparatus and method |
GB1302602.6 | 2013-02-14 | ||
GB1303920.1 | 2013-03-05 | ||
GB201303920A GB201303920D0 (en) | 2013-03-05 | 2013-03-05 | Selective solidification apparatus and method |
US201361774215P | 2013-03-07 | 2013-03-07 | |
US61/774,215 | 2013-03-07 | ||
US201361791636P | 2013-03-15 | 2013-03-15 | |
US61/791,636 | 2013-03-15 | ||
PCT/GB2014/050389 WO2014125258A2 (en) | 2013-02-14 | 2014-02-11 | Selective laser solidification apparatus and method |
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JP2019096236A Division JP2019163547A (ja) | 2013-02-14 | 2019-05-22 | 選択的レーザ固化装置及び方法 |
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JP2015557513A Active JP6482476B2 (ja) | 2013-02-14 | 2014-02-13 | 選択的レーザ凝固装置および方法 |
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US (2) | US10493562B2 (ja) |
EP (5) | EP2956261B1 (ja) |
JP (2) | JP2016516886A (ja) |
CN (4) | CN108515182B (ja) |
ES (3) | ES2744532T3 (ja) |
PL (3) | PL3323534T3 (ja) |
WO (3) | WO2014125258A2 (ja) |
Cited By (5)
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