Three-dimensional printing and three-dimensional printers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B22F-003/105
B33Y-030/00
B29C-064/153
B29C-064/364
B29C-064/25
B33Y-050/02
B29C-064/188
B29C-064/255
B29C-064/386
B29C-064/20
B33Y-040/00
B29C-064/393
B29C-064/371
B28B-001/00
B28B-017/00
출원번호
US-0634228
(2017-06-27)
등록번호
US-10259044
(2019-04-16)
발명자
/ 주소
Buller, Benyamin
Murphree, Zachary Ryan
Romano, Richard Joseph
Brezoczky, Thomas Blasius
Lappen, Alan Rick
출원인 / 주소
VELO3D, INC.
대리인 / 주소
Wilson Sonsini Goodrich & Rosati
인용정보
피인용 횟수 :
0인용 특허 :
260
초록▼
The present disclosure provides three-dimensional (3D) printing processes, apparatuses, software, and systems for the production of at least one desired 3D object. The 3D printer system (e.g., comprising a processing chamber, build module, or an unpacking station) described herein may retain a desir
The present disclosure provides three-dimensional (3D) printing processes, apparatuses, software, and systems for the production of at least one desired 3D object. The 3D printer system (e.g., comprising a processing chamber, build module, or an unpacking station) described herein may retain a desired (e.g., inert) atmosphere around the material bed and/or 3D object at multiple 3D printing stages. The 3D printer described herein comprises one or more build modules that may have a controller separate from the controller of the processing chamber. The 3D printer described herein comprises a platform that may be automatically constructed. The invention(s) described herein may allow the 3D printing process to occur for a long time without operator intervention and/or down time.
대표청구항▼
1. An apparatus for printing a plurality of three-dimensional objects over a plurality of printing cycles, comprising: an enclosure configured to enclose an atmosphere that is different from an ambient atmosphere external to the enclosure while printing the plurality of three-dimensional objects in
1. An apparatus for printing a plurality of three-dimensional objects over a plurality of printing cycles, comprising: an enclosure configured to enclose an atmosphere that is different from an ambient atmosphere external to the enclosure while printing the plurality of three-dimensional objects in the enclosure over the plurality of printing cycles, wherein each of the plurality of three-dimensional objects is printed within a given cycle of the plurality of printing cycles;a material dispenser configured to supply a pre-transformed material in the enclosure during the plurality of printing cycles;a load lock operatively coupled to the enclosure and configured to maintain the atmosphere over a collective period of the plurality of printing cycles, the load lock comprising an opening; andat least one energy source configured to generate at least one energy beam that is directed towards, at and/or through the opening and in contact with the pre-transformed material while printing the plurality of three-dimensional objects over the collective period of the plurality of printing cycles in the enclosure comprising the atmosphere, wherein for the given cycle of the plurality of printing cycles, the at least one energy beam transforms the pre-transformed material to a transformed material to form one or more three-dimensional objects of the plurality of three-dimensional objects. 2. The apparatus of claim 1, wherein the apparatus is configured to maintain a reduced level of at least one component of the ambient atmosphere in the atmosphere during the plurality of printing cycles. 3. The apparatus of claim 2, wherein the apparatus is configured to facilitate evacuation or purging of the at least one component of the ambient atmosphere from the atmosphere. 4. The apparatus of claim 2, wherein the apparatus is configured to facilitate an active exclusion of the at least one component of the ambient atmosphere from the atmosphere. 5. The apparatus of claim 2, wherein, during use, the apparatus comprises a pressurized gas source configured to exclude the at least one component of the ambient atmosphere from the enclosure. 6. The apparatus of claim 1 wherein the apparatus further comprises a sensor configured to monitor a concentration of at least one component of the ambient atmosphere in the enclosure. 7. The apparatus of claim 1, wherein the enclosure comprises a processing chamber that is operatively coupled to a build module, wherein the processing chamber is configured to engage and disengage from the build module. 8. The apparatus of claim 7, wherein the atmosphere is a first atmosphere, wherein the build module is configured to enclose a second atmosphere, and wherein the processing chamber is configured to enclose a third atmosphere, which second atmosphere and third atmosphere are different from the ambient atmosphere. 9. The apparatus of claim 8, wherein the build module comprises a reversibly closable shutter that is configured to maintain the one or more three-dimensional objects in the third atmosphere (i) at pressure above ambient pressure, (ii) in an inert atmosphere, (iii) at a reduced level of at least one component in the ambient atmosphere, or (iv) any combination thereof. 10. The apparatus of claim 9, wherein the at least one component is a reactive agent that is capable of reacting with the pre-transformed material and/or with the transformed material during the printing, and wherein the reduced level of the reactive agent is below a threshold. 11. The apparatus of claim 9, wherein the at least one component is a reactive agent that is capable of reacting with the pre-transformed material and/or the transformed material during the printing to cause detectable material damage and/or structural damage to the one or more three-dimensional objects. 12. The apparatus of claim 9, further comprising a force source configured to automatically actuate the reversibly closable shutter. 13. The apparatus of claim 7, wherein the enclosure, the processing chamber and/or the build module are configured to maintain pressure above an ambient pressure during the printing of the one or more three-dimensional objects. 14. The apparatus of claim 7, wherein the build module comprises a platform configured to support the one or more three-dimensional objects and/or the pre-transformed material while printing the one or more three-dimensional objects. 15. The apparatus of claim 14, wherein the platform is configured to vertically translate using a translation mechanism comprising an encoder, vertical guide post, vertical screw, horizontal screw, linear motor, bearing, shaft, or bellow. 16. The apparatus of claim 14, wherein the platform is configured to vertically translate using a translation mechanism comprising an optical encoder, magnetic encoder, air bearing, ball bearing, or a scissor jack. 17. The apparatus of claim 10, wherein the threshold is at most 100 parts per million on a volume basis, and wherein the reactive agent is oxygen. 18. The apparatus of claim 1, further comprising a platform configured to support the one or more three-dimensional objects and/or the pre-transformed material while printing the one or more three-dimensional objects, wherein the opening is positioned to permit (i) the at least one energy beam to be directed towards, at and/or through the opening, (ii) a material bed to travel therethrough, and/or (iii) the platform to travel vertically therethrough, over the plurality of printing cycles. 19. The apparatus of claim 1, wherein the opening is closeable and openable. 20. The apparatus of claim 1, wherein the enclosure comprises a processing chamber that is operatively coupled to a build module, wherein the build module comprises a vertically translatable platform that is enclosed in the build module. 21. The apparatus of claim 8, further comprising one or more sensors that are configured to sense (I) a pressure, (II) a reactive agent, (III) a temperature, or (IV) any combination of (I), (II) and (III), in: (1) the first atmosphere, (2) the second atmosphere, (3) the third atmosphere, or (4) any combination of (1), (2), and (3). 22. An apparatus for printing a plurality of three-dimensional objects over a plurality of printing cycles comprising: an enclosure configured to enclose an atmosphere that is different from an ambient atmosphere external to the enclosure while printing the plurality of three-dimensional objects in the enclosure over the plurality of printing cycles that includes a time between each of the plurality of printing cycles, wherein each of the plurality of three-dimensional objects is printed within a given cycle of the plurality of printing cycles, and wherein the enclosure comprises an opening that is closeable and openable;a material dispenser configured to supply a pre-transformed material in the enclosure during the plurality of printing cycles;one or more controllers operatively coupled to the enclosure, wherein the one or more controllers are individually or collectively programmed to maintain the atmosphere that is different from the ambient atmosphere over the plurality of printing cycles; andat least one energy source configured to generate at least one energy beam that is directed towards, at and/or through the opening and in contact with the pre-transformed material while printing the plurality of three-dimensional objects over the plurality of printing cycles in the enclosure comprising the atmosphere, wherein for the given cycle of the plurality of printing cycles, the at least one energy beam transforms the pre-transformed material to a transformed material to form one or more three-dimensional objects of the plurality of three-dimensional objects. 23. The apparatus of claim 22, wherein the enclosure is configured to enclose the atmosphere at pressure that is above ambient pressure. 24. The apparatus of claim 22, wherein the enclosure comprises a processing chamber that is operatively coupled to a build module, and wherein the one or more controllers are individually or collectively programmed to direct reversible engagement of the build module and the processing chamber, wherein the one or more controllers are operatively coupled to the build module and/or the processing chamber. 25. The apparatus of claim 22, wherein the one or more controllers are individually or collectively programmed to direct a reduced level of a reactive agent in the atmosphere to be maintained during the plurality of printing cycles, which reactive agent is capable of reacting with the pre-transformed material and/or the transformed material while printing the one or more three-dimensional objects. 26. The apparatus of claim 25, wherein the reduced level of the reactive agent is at most 100 parts per million on a volume basis, and wherein the reactive agent is oxygen. 27. The apparatus of claim 25, wherein the reactive agent comprises water vapor or an oxidizing agent. 28. The apparatus of claim 25, wherein the one or more controllers are individually or collectively programmed to direct evacuation or purging of at least one component of the ambient atmosphere from the enclosure. 29. The apparatus of claim 25, wherein the one or more controllers are individually or collectively programmed to direct active exclusion of at least one component of the ambient atmosphere from the enclosure. 30. The apparatus of claim 22, further comprising a platform configured to support the one or more three-dimensional objects and/or the pre-transformed material while printing the one or more three-dimensional objects, wherein the opening is positioned to permit (i) the at least one energy beam to be directed towards, at and/or through the opening, (ii) a material bed to travel therethrough, and/or (iii) the platform to travel vertically therethrough, over the plurality of printing cycles. 31. The apparatus of claim 22, wherein the one or more controllers are operatively coupled to the opening and individually or collectively programmed to direct closure of the opening between two successive printing cycles of the plurality of printing cycles, to maintain the atmosphere over the plurality of printing cycles. 32. The apparatus of claim 24, wherein the build module comprises a vertically translatable platform that is enclosed in the build module.
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