JP2017140837A - 積層造形法のための方法及び前縁支持体 - Google Patents
積層造形法のための方法及び前縁支持体 Download PDFInfo
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- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
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- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
- B22F5/106—Tube or ring forms
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- 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
- B33Y80/00—Products made by additive manufacturing
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- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/50—Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
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- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/64—Treatment of workpieces or articles after build-up by thermal means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- 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
- B22F12/60—Planarisation devices; Compression devices
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- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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Abstract
【解決手段】本開示は、一般に、物体(200)を造形するプロセスで前縁支持構造体(210)を利用する積層造形法(AM)のための方法、並びにこれらのAMプロセス内で使用される新規の前縁支持構造体に関する。支持構造体は、物体と粉末ベッドの第1の側との間に物体に隣接して配置される。支持構造体は、第1の側から物体の方向に外側に向かって先細りとなる形状を有する。
【選択図】図2
Description
112 粉末ベッド
114 造形プレート
116 リコータアーム
118 レベル
120 レーザー
122 部品
126 リザーバ
128 排気容器
132 ガルボスキャナ
136 エネルギービーム
200 物体
202 中心
204 矢印
206 前縁
208 後縁
210 支持構造体
212 長さ/幅
214 隙間
216 内径
218 外径
400 物体
402 内側円筒
404 外側円筒
406 隙間/空間
410 支持構造体
412 閉鎖底部
414 前縁
418 粉末層、隙間
420 隙間
Claims (15)
- 粉末ベッドで物体を製造するための方法であって、
(a)粉末ベッドで粉末層を照射して溶解領域を形成するステップと、
(b)粉末ベッドの第1の側から粉末ベッド上にリコータアームを通過させることによって粉末ベッド上に次の粉末層を供給するステップと、
(c)物体及び1以上の支持構造体が粉末ベッドで形成されるまでステップ(a)及び(b)を繰り返すステップと
を含み、支持構造体が、物体と粉末ベッドの第1の側との間に物体に隣接して配置され、第1の側から物体の方向に外側に向かって先細りとなる形状を有する、方法。 - 物体が円筒形状を有する、請求項1に記載の方法。
- 隙間が支持構造体と物体との間に形成される、請求項1に記載の方法。
- 物体及び支持構造体が略同一の高さを有する、請求項1に記載の方法。
- 物体が中空である、請求項1に記載の方法。
- 支持構造体が三角形の断面を有する、請求項1に記載の方法。
- 支持構造体が1以上の分離構造体を介して物体に取り付けられる、請求項1に記載の方法。
- 粉末ベッドで物体を製造するための方法であって、
(a)粉末ベッドで粉末層を照射して溶解領域を形成するステップと、
(b)粉末ベッドの第1の側から粉末ベッド上にリコータアームを通過させることによって粉末ベッド上に次の粉末層を供給するステップと、
(c)物体及び1以上の支持構造体が粉末ベッドで形成されるまでステップ(a)及び(b)を繰り返すステップと
を含み、支持構造体が、物体と粉末ベッドの第1の側との間に物体に隣接して、物体の側方部の上に配置され、1以上の粉末層が支持構造体と物体の側方部を分離する、方法。 - 物体が複数の同心部と複数の同心部間の空間とを含む、請求項8に記載の方法。
- 支持構造体が空間内に配置される、請求項9に記載の方法。
- 物体の複数の同心部の1つの厚さと支持構造体の幅との比が、約1:8〜約1:3である、請求項9に記載の方法。
- 物体が中空である、請求項8に記載の方法。
- 物体から支持構造体を除去することをさらに含む、請求項8に記載の方法。
- 物体が垂直方向に外側に向かって先細りとなる円筒形部を含み、支持構造体が、物体の側方表面と支持構造体との間に所定量の粉末を維持するために、対応する先細り部を含む円筒形部に隣接する部分を含む、請求項8に記載の方法。
- 支持構造体が、矩形、卵形、スタジアム形状、楕円形、三日月形、涙滴形又は円錐形状である断面を有する、請求項8に記載の方法。
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US15/041,991 US10357828B2 (en) | 2016-02-11 | 2016-02-11 | Methods and leading edge supports for additive manufacturing |
US15/041,991 | 2016-02-11 |
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JP2017140837A true JP2017140837A (ja) | 2017-08-17 |
JP6412180B2 JP6412180B2 (ja) | 2018-10-24 |
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US (1) | US10357828B2 (ja) |
EP (1) | EP3205425A1 (ja) |
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CN (2) | CN107053666A (ja) |
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JP2019098733A (ja) * | 2017-11-29 | 2019-06-24 | ツェーエル・シュッツレヒツフェアヴァルトゥングス・ゲゼルシャフト・ミト・べシュレンクテル・ハフツング | 三次元物体の付加的製造装置、その装置のクリーニング機器及びその装置のチェンバのクリーニング方法 |
JP2019147326A (ja) * | 2018-02-28 | 2019-09-05 | 株式会社リコー | 立体造形物の製造方法、及び立体造形物の製造データの作成方法 |
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CN115673337A (zh) | 2023-02-03 |
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