JPWO2020185553A5 - - Google Patents

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JPWO2020185553A5
JPWO2020185553A5 JP2021555035A JP2021555035A JPWO2020185553A5 JP WO2020185553 A5 JPWO2020185553 A5 JP WO2020185553A5 JP 2021555035 A JP2021555035 A JP 2021555035A JP 2021555035 A JP2021555035 A JP 2021555035A JP WO2020185553 A5 JPWO2020185553 A5 JP WO2020185553A5
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Japan
Prior art keywords
build
build material
increasing
loading density
applying
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Pending
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JP2021555035A
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JP2022525122A (en
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Priority claimed from PCT/US2020/021378 external-priority patent/WO2020185553A1/en
Publication of JP2022525122A publication Critical patent/JP2022525122A/en
Publication of JPWO2020185553A5 publication Critical patent/JPWO2020185553A5/ja
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Claims (15)

３次元物体の製造方法であって、
粉末材料と結合剤材料の混合組成物を含むビルド材料をビルド表面へ供給する段階と、
前記ビルド表面に供給される前記ビルド材料の粉末装填密度を増大させる段階と、
前記ビルド材料へ選択的に照射して前記ビルド材料の一部の物理状態を変化させる段階、
を有する方法。 A method of manufacturing a three-dimensional object, comprising:
providing a build material comprising a mixed composition of powder material and binder material to the build surface;
increasing the powder loading density of the build material delivered to the build surface;
selectively irradiating the build material to change the physical state of a portion of the build material;
How to have 請求項１に記載の方法であって、前記ビルド材料を前記ビルド表面へ供給する段階は、前記ビルド材料を混合前スラリーとして供給する段階を含む、方法。 2. The method of claim 1, wherein applying the build material to the build surface comprises applying the build material as a pre-mix slurry. 請求項１に記載の方法であって、複数の材料層を順次生成する段階と、前記複数の材料層を放射して物体を生成する段階を有する方法。 2. The method of claim 1, comprising sequentially producing a plurality of material layers and irradiating said plurality of material layers to produce an object. 請求項３に記載の方法であって、前記ビルド材料を選択的に放射する段階は、前記物体が流体の貫流を可能にする構造を有する放射パターンで前記ビルド材料を放射する段階を含む、方法。 4. The method of claim 3, wherein selectively irradiating the build material comprises irradiating the build material in a radiation pattern in which the object has a structure that allows fluid flow therethrough. . 請求項２に記載の方法であって、前記ビルド材料を前記ビルド表面へ供給する段階は、
前記ビルド材料をビルド材料のバットまで低下させる段階と、
前記ビルド表面をビルド材料の前記バットから離れるように段階的に移動させる段階、
を含む方法。 3. The method of claim 2, wherein applying the build material to the build surface comprises:
lowering the build material to a batt of build material;
stepping the build surface away from the vat of build material;
method including. 請求項２に記載の方法であって、前記ビルド材料を前記ビルド表面へ供給する段階は、
前記ビルド表面上に材料の層を供給する段階と、
前記ビルド表面を像生成システムから離れる方向に段階的に移動させる段階、
を含む方法。 3. The method of claim 2, wherein applying the build material to the build surface comprises:
applying a layer of material onto the build surface;
stepping the build surface away from the imaging system;
method including. 請求項６に記載の方法であって、ドクターブレードを用いて前記ビルド表面上に供給される前記ビルド材料の条件を調節する段階を有する、方法。 7. The method of claim 6, comprising adjusting the condition of the build material dispensed onto the build surface using a doctor blade. 請求項６に記載の方法であって、膜を用いて前記ビルド表面上に供給される前記ビルド材料の条件を調節する段階を有する、方法。 7. The method of claim 6, comprising using a membrane to condition the build material delivered onto the build surface. 請求項８に記載の方法であって、層生成中に前記膜を剛性表面で安定化させる段階を有する、方法。 9. The method of claim 8, comprising stabilizing the membrane on a rigid surface during layer formation. 請求項４に記載の方法であって、前記ビルド材料の粉末装填密度を増大させる段階は、前記ビルド表面全体に流体を流す段階を含む、方法。 5. The method of claim 4, wherein increasing the powder loading density of the build material comprises flowing a fluid over the build surface. 請求項１０に記載の方法であって、前記ビルド材料の粉末装填密度を増大させる段階は、ビルド中の前記物体を貫くように流体を流す段階を含む、方法。 11. The method of claim 10, wherein increasing the powder loading density of the build material comprises flowing a fluid through the object being built. 請求項２に記載の方法であって、前記ビルド材料の粉末装填密度を増大させる段階は、超音波撹拌を用いて前記粉末材料を密集化する段階を含む、方法。 3. The method of claim 2, wherein increasing the powder loading density of the build material comprises densifying the powder material using ultrasonic agitation. 請求項２に記載の方法であって、前記ビルド材料の粉末装填密度を増大させる段階は、前記結合剤材料の少なくとも１つの成分の少なくとも一部を揮発させる段階を含む、方法。 3. The method of claim 2, wherein increasing the powder loading density of the build material comprises volatilizing at least a portion of at least one component of the binder material. 請求項１３に記載の方法であって、前記少なくとも１つの成分は揮発性有機溶媒である、方法。 14. The method of claim 13, wherein said at least one component is a volatile organic solvent. 請求項３に記載の方法であって、前記ビルド材料の粉末装填密度を増大させる段階は、所与の層からある量の結合剤を除去することで前記層が有孔性構造を有するようにする段階を含む、方法。
4. The method of claim 3, wherein increasing the powder loading density of the build material includes removing an amount of binder from a given layer such that the layer has a porous structure. a method comprising:
JP2021555035A 2019-03-12 2020-03-06 Methods and equipment for the digital production of objects with working micropixellation and dynamic density control Pending JP2022525122A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962817431P 2019-03-12 2019-03-12
US62/817,431 2019-03-12
PCT/US2020/021378 WO2020185553A1 (en) 2019-03-12 2020-03-06 Method and apparatus for digital fabrication of objects using actuated micropixelation and dynamic density control

Publications (2)

Publication Number Publication Date
JP2022525122A JP2022525122A (en) 2022-05-11
JPWO2020185553A5 true JPWO2020185553A5 (en) 2023-03-02

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JP2021555035A Pending JP2022525122A (en) 2019-03-12 2020-03-06 Methods and equipment for the digital production of objects with working micropixellation and dynamic density control

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US (3) US20220227050A1 (en)
EP (1) EP3938179A4 (en)
JP (1) JP2022525122A (en)
KR (1) KR20210137160A (en)
CN (1) CN113795370B (en)
CA (1) CA3133213A1 (en)
IL (1) IL286313A (en)
MX (1) MX2021011017A (en)
SG (1) SG11202109981PA (en)
WO (1) WO2020185553A1 (en)

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