JP6224707B2 - 積層を利用して三次元立体物を製造する装置及び製造方法 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 239000007787 solid Substances 0.000 title claims description 24
- 238000003475 lamination Methods 0.000 title claims description 9
- 238000005245 sintering Methods 0.000 claims description 216
- 238000000034 method Methods 0.000 claims description 20
- 230000005670 electromagnetic radiation Effects 0.000 claims description 10
- 239000011344 liquid material Substances 0.000 claims description 9
- 238000011282 treatment Methods 0.000 claims description 9
- 239000012254 powdered material Substances 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000037361 pathway Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 20
- 238000000149 argon plasma sintering Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000013532 laser treatment Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
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- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
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- B29C64/30—Auxiliary operations or equipment
- B29C64/386—Data acquisition or data processing for additive manufacturing
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- B33Y10/00—Processes of additive manufacturing
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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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- 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
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
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Description
レーザービームの制御を、最大焼結ゾーン内部に位置する有効焼結ゾーンに制限することができる、制限手段と、
ガルバノメータヘッドを焼結フィールドの面に平行な面に移動し、ガルバノメータヘッドを、有効焼結ゾーンがガルバノメータヘッドの位置と関連付けられている、少なくとも2箇所の異なる位置に位置付けることを可能にする、移動手段と、
を備えることにおいて、注目に値する。
1つの有効焼結ゾーンは、最大焼結ゾーンにおいて、焼結フィールドへのレーザービームの垂直入射に対応する点の近くに、中心を置かれるという特徴と、
この装置は、レーザービームを偏向させる手段と、レーザービームを、この偏向手段の上流に置かれている焼結フィールドにおいて焦点合わせ可能な装置を更に備え、有効焼結ゾーンは、最大焼結ゾーンに対して中心をずらされているという特徴と、
装置は、移動手段を制御する手段であって、ガルバノメータヘッドを、複数の有効焼結ゾーンを有している全体焼結ゾーンをカバーするように複数の位置に位置付けることを制御可能な手段を更に備えているという特徴と、
全体焼結ゾーンをカバーする有効焼結ゾーンは隣接しているという特徴と、
全体焼結ゾーンをカバーする有効焼結ゾーンは、重なり合うゾーンを備えているという特徴と、
全体焼結ゾーンは、製造対象の三次元立体物の二次元断面であるという特徴と、
の1つ以上の特徴を有することも可能である。
有効焼結ゾーンを、ガルバノメータヘッドの所定の位置と関連付けて決定するステップであって、有効焼結ゾーンが、最大焼結ゾーンの内部に位置付けされる、ステップと、
少なくとも1つの全体焼結ゾーンを得るステップと、
少なくとも1つの全体焼結ゾーンをカバーするのに適している複数の有効焼結ゾーンと、各有効焼結ゾーンと関連付けられているガルバノメータヘッドの位置を決定するステップと、
ガルバノメータヘッドの、少なくとも1つの所定の位置への移動を制御し、ガルバノメータヘッドの位置と関連付けられている有効焼結ゾーンにおいてレーザービーム処理を適用するステップと、を備えているという点において、注目に値する。
Claims (7)
- 積層を利用して三次元立体物を製造する装置であって、製造対象の各層に対して、焼結フィールドに置かれた粉末状の材料又は液体材料の層にレーザービーム処理をすることができ、前記装置が、
ガルバノメータヘッド(12)であって、所定の場所に位置しているときに、レーザービームを、前記焼結フィールド(14)の最大焼結ゾーンの各点に向けて制御することができる、ガルバノメータヘッド(12)を備え、
更に、前記レーザービームの制御を、前記最大焼結ゾーンの内部に位置する有効焼結ゾーンに制限することができる、制限手段(34)と、
前記ガルバノメータヘッド(12)を、前記焼結フィールド(14)の面に平行な面に移動させる移動手段(30)であって、前記ガルバノメータヘッド(12)を、有効焼結ゾーンを前記ガルバノメータヘッドの位置に関連付ける、少なくとも2箇所の異なる位置に位置付けることを可能にする、移動手段(30)と、
を備え、
更に、前記移動手段(30)を制御する手段(32)であって、複数の有効焼結ゾーンを有する全体焼結ゾーンをカバーするために、複数の位置において前記ガルバノメータヘッドの位置付けの制御を行うことができる手段(32)を備え、
前記全体焼結ゾーンをカバーしている前記複数の有効焼結ゾーンが、重なり合うゾーンを備え、
前記ガルバノメータヘッドの経路は、前記重なり合うゾーンにおいて互い違いに配置されている、
ことを特徴とする、装置。 - 1つの前記有効焼結ゾーンは、前記最大焼結ゾーンにおいて、前記レーザービームの前記焼結フィールド上への垂直入射に対応する点の近くに、中心を置かれていることを特徴とする、請求項1に記載の装置。
- 前記レーザービームを偏向させる手段と、前記偏向させる手段の上流に置かれ、前記レーザービームを前記焼結フィールドで焦点合わせすることが可能な装置と、を更に備え、
前記有効焼結ゾーンが、前記最大焼結ゾーンに対して中心をずらされていることを特徴とする、請求項1に記載の装置。 - 前記全体焼結ゾーンが、製造対象の三次元立体物の二次元断面(70)であることを特徴とする、請求項1に記載の装置。
- 積層を利用して三次元立体物を製造する方法であって、前記方法が、
製造対象の各層に対して、焼結フィールドに置かれた粉末状の材料又は液体材料の層のレーザービーム処理のステップを備え、前記レーザービーム処理が、少なくとも1つのレーザービームを、所定の位置に位置付けされているガルバノメータヘッドによって、前記焼結フィールドの最大焼結ゾーンにおいて制御することによって行われ、
前記方法が、1つの処理しようとする層の前記レーザービーム処理に対して、
有効焼結ゾーンを、前記ガルバノメータヘッドの所定の位置と関連付けて決定するステップ(160)であって、前記有効焼結ゾーンが前記最大焼結ゾーンの内部に位置付けされている、ステップと、
少なくとも1つの全体焼結ゾーンを得るステップ(162)と、
前記少なくとも1つの全体焼結ゾーンをカバーするのに適している複数の有効焼結ゾーンと、各有効焼結ゾーンに関連付けられた前記ガルバノメータヘッドの位置と、を決定するステップ(164)と、
前記ガルバノメータヘッドの、少なくとも1つの所定の位置への移動を制御し、前記ガルバノメータヘッドの前記位置と関連付けられた前記有効焼結ゾーンにおいてレーザービーム処理を行うステップ(168)と、
を備え、
前記複数の焼結ゾーンのうちの少なくとも2つの有効ゾーンが、重なり合うゾーンを備え、
前記有効ゾーンの各々に対して、前記レーザービームによる走査経路を決定するステップ(170)であって、前記走査経路が、重なり合うゾーンを有する2つの有効ゾーンにおいて、前記重なり合うゾーンで互い違いに配置されている経路であるステップを、更に備える、
ことを特徴とする、方法。 - 複数の有効焼結ゾーンを決定する前記ステップにおいて、各有効焼結ゾーンの位置付けが、前記処理しようとする層に先行する層に対して決定された有効焼結ゾーンの位置付けを考慮することを特徴とする、請求項5に記載の方法。
- 積層を利用して三次元立体物を製造する設備であって、請求項1から4のいずれか1項に記載の、積層を利用して三次元立体物を製造する装置を、少なくとも2つ備え、前記装置が、それぞれ、前記装置と関連付けられている電磁放射源から来るレーザービームを、共有されている焼結フィールドに向けて制御することができることを特徴とする、設備。
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FR1257327A FR2993805B1 (fr) | 2012-07-27 | 2012-07-27 | Dispositif de fabrication d'objets tridimensionnels par couches superposees et procede de fabrication associe |
FR1257327 | 2012-07-27 | ||
PCT/EP2013/065783 WO2014016402A1 (fr) | 2012-07-27 | 2013-07-26 | Dispositif de fabrication d'objets tridimensionnels par couches superposées et procédé de fabrication associé |
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GB201310398D0 (en) | 2013-06-11 | 2013-07-24 | Renishaw Plc | Additive manufacturing apparatus and method |
WO2014199134A1 (en) * | 2013-06-10 | 2014-12-18 | Renishaw Plc | Selective laser solidification apparatus and method |
EP2875897B1 (en) * | 2013-11-21 | 2016-01-20 | SLM Solutions Group AG | Method of and device for controlling an irradiation system for producing a three-dimensional workpiece |
KR20150115596A (ko) * | 2014-04-04 | 2015-10-14 | 가부시키가이샤 마쓰우라 기카이 세이사쿠쇼 | 3차원 조형 장치 및 3차원 형상 조형물의 제조 방법 |
JP6316991B2 (ja) | 2014-06-20 | 2018-04-25 | ヴェロ・スリー・ディー・インコーポレイテッド | 3次元物体を生成するための方法 |
KR101914886B1 (ko) * | 2014-07-30 | 2018-11-02 | 디더블유에스 에스.알.엘. | 스테레오리소그라피 기계에 속한 적어도 두 개의 광 조사 소스의 동작을 제어하기 위한 개선된 방법 |
MX2017002240A (es) | 2014-08-20 | 2017-05-09 | Etxe-Tar S A | Metodo y sistema para fabricacion aditiva usando un haz de luz. |
DE102014016679A1 (de) | 2014-11-12 | 2016-05-12 | Cl Schutzrechtsverwaltungs Gmbh | Verfahren und Vorrichtung zur Belichtungssteuerung einer selektiven Lasersinter- oder Laserschmelzvorrichtung |
US20180272611A1 (en) * | 2015-01-07 | 2018-09-27 | Eos Gmbh Electro Optical Systems | Device and generative layer-building process for producing a three-dimensional object by multiple beams |
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WO2014016402A1 (fr) | 2014-01-30 |
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US10201962B2 (en) | 2019-02-12 |
FR2993805A1 (fr) | 2014-01-31 |
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