[특허]Method for printing 3D parts and support structures with electrophotography-based additive manufacturing

Method for printing 3D parts and support structures with electrophotography-based additive manufacturing 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B29C-041/02 B29C-067/00 G03G-013/22 B29C-064/135 B29C-064/165 B29C-064/141 B29C-064/129 B29C-064/153 B29C-064/106 B29C-064/00 B29C-064/124 B29C-064/112 G03G-015/22 B33Y-070/00 B33Y-010/00 B29C-047/00 B29C-047/08 B29K-033/00 B29K-025/00 B29K-105/00 B29K-009/06 B29K-033/20 B29K-009/00 B33Y-080/00
출원번호	US-0866083 (2015-09-25)
등록번호	US-10065371 (2018-09-04)
발명자 / 주소	Martin, Trevor I.
출원인 / 주소	Evolve Additive Solutions, Inc.
대리인 / 주소	Ims, Peter J.
인용정보	피인용 횟수 : 0 인용 특허 : 45

초록 ▼

A method for printing a three-dimensional part and a support structure with an electrophotography-based additive manufacturing system. The method includes developing a support layer of the support structure from a soluble support material with a first electrophotography engine, and transferring the developed support layer from the first electrophotography engine to a transfer medium. The method also includes developing a part layer of the three-dimensional part from an ABS part material with a second electrophotography engine, and transferring the developed part layer from the second electrophotography engine to the transfer medium. The method further includes moving the attracted part and support layers to a layer transfusion assembly with the transfer medium, and transfusing the moved part and support layers together to previously-printed layers with the layer transfusion assembly.

대표청구항 ▼

1. A method for printing a three-dimensional part and a support structure with an electrophotography-based additive manufacturing system, the method comprising: providing a support material compositionally comprising a first charge control agent and a first copolymer;providing a part material compositionally comprising a second charge control agent, and a second copolymer;developing a support layer of the support structure from the support material with a first electrophotography engine;transferring the developed support layer from the first electrophotography engine to a transfer medium;developing a part layer of the three-dimensional part from the part material with a second electrophotography engine;transferring the developed part layer from the second electrophotography engine to the transfer mediummoving the attracted part and support layers to a layer transfusion assembly with the transfer medium; andtransfusing the moved part and support layers together to previously-printed layers with the layer transfusion assembly. 2. The method of claim 1, wherein the support material has a glass transition temperature that is within about 10° C. of a glass transition temperature of the part material. 3. The method of claim 2, wherein the glass transition temperature of the support material is within about 5° C. of the glass transition temperature of the part material. 4. The method of claim 1, wherein the support material has a dynamic viscosity at 200° C. that is within about 10 kilopascal-seconds of a dynamic viscosity at 200° C. for the part material. 5. The method of claim 4, wherein the dynamic viscosity of the support material is within about 5 kilopascal-seconds of the dynamic viscosity at 200° C. for the part material. 6. The method of claim 1, wherein the first copolymer comprises aromatic groups, (meth)acrylate-based ester groups, carboxylic acid groups, and anhydride groups. 7. The method of claim 1, wherein the first copolymer of the support material is polymerized from monomers comprising styrene, n-butyl acrylate, and methacrylic acid. 8. The method of claim 1, wherein the support material and the part material are each provided in a powder form independently having a D50 particle size ranging from about 5 micrometers to about 30 micrometers. 9. The method of claim 8, where the powder forms of the support material and the part material also independently have a D90/D50 particle size distribution and a D50/D10 particle size distribution each ranging from about 1.00 to about 1.40. 10. A method for printing a three-dimensional part and a support structure with an electrophotography-based additive manufacturing system, the method comprising: providing a charged support material that compositionally comprises a first copolymer;providing a charged part material that compositionally comprises a second copolymer;developing a support layer of the charged support structure from the support material;developing a part layer of the three-dimensional part from the charged part material;independently transferring the support layer and the part layer to a transfer medium such that the support layer and the part layer define a combined layer;moving the combined layer to a layer transfusion assembly to previously-printed layers of the three-dimensional part and the support structure; andtransfusing the combined layer to previously-printed layers. 11. The method of claim 10, wherein the dynamic viscosity of the charged support material is within about 10 kilopascal-seconds of the dynamic viscosity at 200° C. for the charged part material. 12. The method of claim 10, wherein the charged support material has a glass transition temperature that is within about 10° C. of a glass transition temperature of the charged part material. 13. The method of claim 10, wherein the charged support material and the charged part material are each provided in a powder form independently having a D50 particle size ranging from about 5 micrometers to about 30 micrometers. 14. The method of claim 13, wherein the powder forms of the charged support material and the charged part material also independently have a D90/D50 particle size distribution and a D50/D10 particle size distribution each ranging from about 1.00 to about 1.40.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Method for printing 3D parts and support structures with electrophotography-based additive manufacturing 원문보기

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Method for printing 3D parts and support structures with electrophotography-based additive manufacturing 원문보기

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