JP2021105213A - 積層造形のための方法および多目的粉末除去機構 - Google Patents
積層造形のための方法および多目的粉末除去機構 Download PDFInfo
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Abstract
【解決手段】本開示は、多壁構造400を作製するための積層造形方法に関する。多壁構造400は、第1の方向において第1の表面412と第2の表面422との間の幅を有する通路430を画定するように、第1の表面412を有する第1の壁410と、第1の表面412に対向する第2の表面422を有する第2の壁420とを含む。多壁構造400はまた、第1の壁410と第2の壁420とを接続する拡大された粉末除去機構440を含む。拡大された粉末除去機構440は、第1の方向の幅よりも大きな内寸と、第1の幅と交差する方向の少なくとも1つの開放端とを有する。
【選択図】図4
Description
以上の開示から、以下の付記が提案される。
[実施態様1]
物体を作製するための方法であって、
(a)融合領域を形成するために、粉末床内の粉末層にエネルギービームを一連の走査線において照射するステップと、
(b)粉末床の上で粉末床の第1の面から粉末床の第2の面へとリコータアームを通過させることにより、後続の粉末層を提供するステップと、
(c)物体が粉末床内に形成されるまで、ステップ(a)および(b)を繰り返すステップと
を含み、物体は、
第1の方向において第1の表面(412)と第2の表面(422)との間の幅(432)を有する通路(430)を画定するように、第1の表面(412)を有する第1の壁(410)および第1の表面(412)に面する第2の表面(422)を有する第2の壁(420)と
第1の壁(410)と第2の壁(420)とを接続する拡大された粉末除去機構(440)であり、拡大された粉末除去機構(440)は、第1の方向の幅(432)よりも大きな内寸(442)と、第1の幅(432)と交差する方向の少なくとも1つの開放端とを有する、拡大された粉末除去機構(440)と
を含む、方法。
[実施態様2]
(d)少なくとも1つの開放端部を介して通路(430)から未融合粉末を除去するステップ
をさらに含む、実施態様1に記載の方法。
[実施態様3]
(e)細長い物体を粉末除去機構(440)に通すステップ
をさらに含む、実施態様2に記載の方法。
[実施態様4]
粉末除去機構(440)が、第1の壁(410)の第1の端部を第2の壁(420)の第1の端部に接続する、実施態様1に記載の方法。
[実施態様5]
物体が、第1の壁(410)の第2の端部を第2の壁(420)の第2の端部に接続する第2の拡大粉末除去機構(440)をさらに含む、実施態様4に記載の方法。
[実施態様6]
幅(432)が、第1の表面(412)および第2の表面(422)にわたって実質的に一定である、実施態様1に記載の方法。
[実施態様7]
物体が、規則的に離間された複数の粉末除去機構(440)を含む、実施態様1に記載の方法。
[実施態様8]
粉末除去機構(440)が、半環状壁(444)によって画定された中空カラムであり、中空カラムが通路(430)と流体連通している、実施態様1に記載の方法。
[実施態様9]
少なくとも1つの開放端が、中空カラムの長手方向端部に位置する、実施態様1に記載の方法。
[実施態様10]
物体が環状であり、第1の壁(410)が物体の円弧状部分の外壁であり、第2の壁(420)が物体の円弧状部分の内壁である、実施態様1に記載の方法。
[実施態様11]
粉末除去機構(440)が、第1の壁(410)および第2の壁(420)に接続された半環状壁(444)によって画定される非線形の管である、実施態様1に記載の方法。[実施態様12]
エンジン構成要素であって、
第1の方向において第1の表面(412)と第2の表面(422)との間の幅(432)を有する通路(430)を画定するように、第1の表面(412)を有する第1の壁(410)と、第1の表面(412)に対向する第2の表面(422)を有する第2の壁(420)と、
第1の壁(410)と第2の壁(420)とを接続する拡大された粉末除去機構(440)であり、拡大された粉末除去機構(440)は、第1の方向の幅(432)よりも大きな内寸(442)と、第1の幅(432)と交差する方向の少なくとも1つの開放端とを有する、拡大された粉末除去機構(440)と
を備える、エンジン構成要素。
[実施態様13]
粉末除去機構(440)が、第1の壁(410)の第1の端部を第2の壁(420)の第1の端部に接続する、実施態様12に記載のエンジン構成要素。
[実施態様14]
第1の壁(410)の第2の端部を第2の壁(420)の第2の端部に接続する第2の拡大された粉末除去機構(440)をさらに備える、実施態様13に記載のエンジン構成要素。
[実施態様15]
幅(432)が、第1の表面(412)および第2の表面(422)にわたって実質的に一定である、実施態様12に記載のエンジン構成要素。
[実施態様16]
エンジン構成要素が、規則的に離間された複数の粉末除去機構(440)を含む、実施態様12に記載のエンジン構成要素。
[実施態様17]
粉末除去機構(440)が、半環状壁(444)によって画定された中空カラムであり、中空カラムが通路(430)と流体連通している、実施態様12に記載のエンジン構成要素。
[実施態様18]
少なくとも1つの開放端が、中空カラムの長手方向端部に位置する、実施態様12に記載のエンジン構成要素。
[実施態様19]
エンジン構成要素が環状であり、第1の壁(410)がエンジン構成要素の円弧状部分の外壁であり、第2の壁(420)がエンジン構成要素の円弧状部分の内壁である、実施態様12に記載のエンジン構成要素。
[実施態様20]
粉末除去機構(440)が、第1の壁(410)および第2の壁(420)に接続された半環状壁(444)によって画定される非線形の管である、実施態様12に記載のエンジン構成要素。
114 ビルドプレート
116 リコータアーム
118 粉末レベル
120 レーザ
122 部品
126 リザーバ
128 廃棄物容器
134 方向
136 エネルギービーム
200 多壁構造
210 第1の壁
220 第2の壁
230 通路
300 多壁構造
310 壁
320 壁
330 通路
340 粉末除去孔
400 多壁構造
410 壁
412 表面
420 壁
422 表面
430 通路
432 幅
440 粉末除去機構
442 内寸
444 半環状壁
446 膨出部
600 多壁構造
602 円弧状セグメント
610 外壁
620 内壁
630 通路
640 粉末除去機構
646 膨出部
700 多壁構造
710 壁
720 壁
730 壁
740 第1の空間
750 第2の空間
760 粉末除去機構
770 粉末除去機構
800 多壁構造
810 外壁
812 湾曲部分
820 内壁
822 湾曲部分
830 空間
840 粉末除去機構、非線形粉末除去機構
842 内寸
844 半環状壁
Claims (6)
- エンジン構成要素であって、
半径方向において第1の表面(412)と第2の表面(422)との間の幅(432)を有する通路(430)を画定するように、前記第1の表面(412)を有する第1の円弧形状の壁(410)と、前記第1の表面(412)に対向する前記第2の表面(422)を有し、前記第1の円弧形状の壁(410)に対して同心に設けられた第2の円弧形状の壁(420)と、
前記第1の円弧形状の壁(410)と前記第2の円弧形状の壁(420)とを接続し、前記半径方向の幅(432)よりも大きな内寸(442)と、粉末除去機構(440)の長手方向に少なくとも1つの開放端とを有する、前記粉末除去機構(440)と
を備える、エンジン構成要素。 - 前記粉末除去機構(440)が、前記第1の円弧形状の壁(410)の一方の端を前記第2の円弧形状の壁(420)の対応する端に接続する、請求項1に記載のエンジン構成要素。
- 前記第1の円弧形状の壁(410)の他方の端を前記第2の円弧形状の壁(420)の対応する他方の端に接続する第2の粉末除去機構をさらに備える、請求項2に記載のエンジン構成要素。
- 前記エンジン構成要素が、規則的に離間された複数の粉末除去機構(440)を含む、請求項1に記載のエンジン構成要素。
- 前記エンジン構成要素が環状であり、前記第1の円弧形状の壁(410)が前記エンジン構成要素の円弧状部分の外壁であり、前記第2の円弧形状の壁(420)が前記エンジン構成要素の円弧状部分の内壁である、請求項1に記載のエンジン構成要素。
- 前記粉末除去機構(440)が、前記第1の円弧形状の壁(410)および前記第2の円弧形状の壁(420)に接続された半環状壁(444)によって画定される非線形の管である、請求項1に記載のエンジン構成要素。
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