JP6898459B2 - 加工物形成のための照射システムを制御する方法及び装置 - Google Patents
加工物形成のための照射システムを制御する方法及び装置 Download PDFInfo
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Description
重畳領域を照射するための照射ユニットを選択するステップであって、その照射領域内で製造すべき加工物層は重畳領域の外部にも延びている、ステップ。
それぞれ照射ユニットの1つに対応づけられる多数の分割領域へ重畳領域を分割するステップと、
分割領域の境界を変化させるステップであって、2つの互いに連続する原料粉末層の間の分割領域が互いに異なるようにする、ステップ。
照射ユニットが共通に多角形を画成するように、照射ユニットを配置するステップと、
照射ユニット毎に照射領域を、その共通の重畳領域が少なくとも部分的に多角形の内部に配置されるように定めるステップ。
少なくとも3つの照射ユニットを備えた照射システムを有し、
支持体を有し、この支持体は、加工物層を形成するために照射システムによって照射可能な原料粉末層を収容するように構成され、
制御ユニットを有し、この制御ユニットは、照射ユニットの各々のために照射領域を定めるように構成され、照射領域は照射平面における割合部分を有し、照射平面は支持体に対して平行に延びており、かつ制御ユニットはさらに、照射領域を、それらが共通の重畳領域内で重なり合うように定めるように構成され、
制御ユニットはさらに、互いに連続する加工物層を形成するために、支持体上に互いに連続して配置された原料粉末層が照射システムによって照射可能であるように、装置を制御するように構成されている。
Claims (13)
- 照射システム(20)を制御する方法であって、
前記照射システム(20)が3次元の加工物を付加製造する装置(10)内で使用され、かつ少なくとも3つの照射ユニット(22a−22d,50)を有し、
照射ユニット(22a−22d,50)の各々のために照射領域(30a−30d)を定めるステップであって、該照射領域(30a−30d)のそれぞれは照射平面(28)の1つの割合部分を有し、前記照射平面が前記装置(10)の支持体(16)に対して平行に延びており、かつ前記照射領域(30a−30d)が共通の重畳領域(34)内で重なり合うように定められている、ステップと、
前記重畳領域(34)を複数の分割領域(T1−T4)に分割し、該分割領域のそれぞれが前記照射ユニット(22a−22d,50)の少なくとも1つに対応づけられているステップと、
前記分割領域の境界を変化させ、前記分割領域(T1−T4)が互いに連続する2つの原料粉末層の間で互いに異なるようにするステップと、
加工物層を形成するために、前記支持体(16)上に配置された原料粉末層を照射するステップと、
他の加工物層を形成するために、すでに照射されている原料粉末層上に他の原料粉末層を配置するステップと、
を有する方法。 - 前記照射平面(28)における前記照射領域(30a−30d)の割合部分が、それぞれ0%から100%までの間であって、及び/又は前記照射平面(28)における前記重畳領域(34)の割合部分が、0%から100%までの間である、請求項1に記載の方法。
- 前記照射ユニット(22a−22d,50)及び/又は前記照射領域(30a−30d)のそれぞれの中心が多角形を画成する、請求項1又は2に記載の方法。
- 前記重畳領域を照射するために使用すべき少なくとも1つの照射ユニット(22a−22d,50)を選択するステップを、更に有する、請求項1〜3の何れか一項に記載の方法。
- 前記選択するステップが他の加工物層の照射の前に新たに実施される、請求項4に記載の方法。
- 前記重畳領域(34)のために使用すべき前記照射ユニット(22a−22d,50)の選択が、2つの互いに連続する原料粉末層の間で互いに異なる、請求項4又は5に記載の方法。
- 重畳領域(34)を平行して、又は互いに連続して照射するために、前記重畳領域(34)の照射のために複数の照射ユニット(22a−22d,50)が選択される、請求項4〜6の何れか一項に記載の方法。
- 前記重畳領域(34)のための前記照射ユニット(22a−22d,50)を選択するために、
形成すべき加工物層が前記重畳領域(34)の外部にも延びている前記照射領域(30a−30d)内で、前記重畳領域(34)を照射するための照射ユニット(22a−22d,50)を選択するステップと、
形成すべき加工物層が前記重畳領域(34)の外部にも延びていない前記照射領域(30a−30d)内で、前記重畳領域(34)を照射するための照射ユニット(22a−22d,50)を選択するステップと、
を有する請求項4〜7の何れか一項に記載の方法。 - 前記照射領域(30a−30d)を定めることは、前記照射平面(28)の内部の前記
重畳領域(34)の配置が互いに連続する2つの原料粉末層の間で変化するように実施される、請求項1〜8の何れか一項に記載の方法。 - 前記分割領域の境界の変化は該分割領域の境界の交点(P)の移動によって行われる、請求項1から請求項9の何れか1項に記載の方法。
- 前記交点(P)の移動が、ランダムに、あるいはあらかじめ定められたパターンに従って行われる、請求項10に記載の方法。
- 前記照射システム(20)は少なくとも3つの照射ユニット(20a−20d、50)の少なくとも1つのグループを有し、
前記照射ユニット(22a−22d,50)を該照射ユニット(22a−22d,50)が共通に1つの多角形を画成するように配置するステップと、
照射ユニット(22a−22d,50)毎に前記照射平面(30a−30d)を、その共通の重畳領域(34)が少なくとも部分的に前記多角形の内部に配置されるように定めるステップと、
を有する、請求項1から請求項11の何れか一項に記載の方法。 - 3次元の加工物を層状に形成する装置(10)であって、
少なくとも3つの照射ユニット(22a−22d,50)を備えた照射システム(20)と、
支持体(16)であって、該支持体が原料粉末層を収容するように構成され、前記原料粉末層が加工物層を形成するために照射システム(20)によって照射可能である、支持体(16)と、
前記照射ユニット(22a−22d,50)の各々のために照射領域(30a−30d)を定めるように構成された制御ユニット(26)であって、前記照射領域(30a−30d)がそれぞれ照射平面(28)における割合部分を有し、前記照射平面は前記支持体(16)に対して平行に延びており、前記制御ユニット(26)が、さらに、前記照射領域(30a−30d)が共通の重畳領域(34)内で重なり合うように、前記照射領域(30a−30d)を定めるように構成された、制御ユニット(26)と、を備え、
前記重畳領域(34)が複数の分割領域(T1−T4)に分割されており、該分割領域のそれぞれが前記照射ユニット(22a−22d,50)の少なくとも1つに対応づけられており、
前記分割領域の境界を変化させ、前記分割領域(T1−T4)が互いに連続する2つの原料粉末層の間で互いに異なるようにされており、
前記制御ユニット(26)は前記装置(10)を制御するよう構成され、前記支持体(16)上に連続して配置された原料粉末層は連続する加工物層を形成するために照射可能である、装置。
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DE102017202843.2A DE102017202843B3 (de) | 2017-02-22 | 2017-02-22 | Verfahren und Vorrichtung zum Steuern eines Bestrahlungssystems zur Werkstückherstellung |
DE102017202843.2 | 2017-02-22 | ||
PCT/EP2018/050843 WO2018153573A1 (de) | 2017-02-22 | 2018-01-15 | Verfahren und vorrichtung zum steuern eines bestrahlungssystems zur werkstückherstellung |
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JP6793806B1 (ja) * | 2019-12-04 | 2020-12-02 | 株式会社ソディック | 積層造形装置 |
DE102020201450A1 (de) * | 2020-02-06 | 2021-08-12 | Siemens Aktiengesellschaft | Verfahren zum Herstellen einer Stützstruktur in der additiven Herstellung, Computerprogrammprodukt und Steuerung |
US11858217B2 (en) * | 2020-09-17 | 2024-01-02 | Concept Laser Gmbh | Methods of determining an interlace path for an additive manufacturing machine |
CN112743834B (zh) * | 2020-12-16 | 2022-04-22 | 华南理工大学 | 一种多激光协同负载激光选区熔化增材制造方法 |
CN115138870B (zh) * | 2021-03-31 | 2023-09-15 | 广东汉邦激光科技有限公司 | 多振镜拼接打印系统及多振镜拼接打印方法 |
JP2022166893A (ja) * | 2021-04-22 | 2022-11-04 | 株式会社日本製鋼所 | 粉末床レーザ加工装置、粉末積層造形装置、加工方法およびプログラム |
CN114734058B (zh) * | 2022-03-31 | 2024-02-09 | 西安航天发动机有限公司 | 一种多激光拼接扫描路径规划方法及多激光拼接扫描方法 |
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KR20150115596A (ko) * | 2014-04-04 | 2015-10-14 | 가부시키가이샤 마쓰우라 기카이 세이사쿠쇼 | 3차원 조형 장치 및 3차원 형상 조형물의 제조 방법 |
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US11639028B2 (en) | 2023-05-02 |
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US20230226753A1 (en) | 2023-07-20 |
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