Method for producing a part using a deposition technique
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B28B-001/16
B29C-071/00
B22F-003/00
B22C-001/16
B22C-009/00
B22C-009/10
B22C-023/00
B33Y-010/00
B33Y-080/00
B22C-009/02
B29C-064/165
출원번호
US-0225381
(2016-08-01)
등록번호
US-10213938
(2019-02-26)
발명자
/ 주소
Ederer, Ingo
Hochsmann, Rainer
출원인 / 주소
VOXELJET AG
대리인 / 주소
The Dobrusin Law Firm, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
111
초록▼
The invention relates to a method for producing a part using a deposition technique. A layered composite is built up in layers, the individual layers each containing particulate material and binding material as well as optionally, a treatment agent. The layers maintain a predetermined porosity. The
The invention relates to a method for producing a part using a deposition technique. A layered composite is built up in layers, the individual layers each containing particulate material and binding material as well as optionally, a treatment agent. The layers maintain a predetermined porosity. The layer composite is built up in the absence of hardening agent. Once construction is complete, the layer composite is hardened.
대표청구항▼
1. A method for producing a part using a deposition technique in layers by building a layered composite containing the part from particulate matter comprised of particles of a prescribed particle size, the method comprising steps of: depositing the particulate matter layer-by-layer to form successiv
1. A method for producing a part using a deposition technique in layers by building a layered composite containing the part from particulate matter comprised of particles of a prescribed particle size, the method comprising steps of: depositing the particulate matter layer-by-layer to form successive layers of a porous bulk in a build location, andselectively apportioning a treatment agent in a predefined subarea of the layer prior to deposition of a subsequent layer, wherein the treatment agent is apportioned in a free-flowing state for setting up a bonding process, in which the particles in the predefined subarea bond firmly to one another, through a binder contained either in the particulate matter or deposited thereon, in the presence of an initiator,moving the layered composite to a different location; andbonding the particulate matter in the different location;whereby the building of the layered composite is done in the absence of an initiator, and the bonding process is executed only after completion of the layered composite, through addition of such initiator. 2. The method of claim 1, wherein the layered composite is in a same container during the building of the layered composite and during the bonding of the particulate matter. 3. The method of claim 1, wherein the predefined subarea of the layer is different from a predefined subarea of the subsequent layer. 4. The method of claim 1, wherein bonding of the particulate matter is in a single step at the different location. 5. The method of claim 1, wherein the binder is in the particulate material. 6. The method of claim 1, wherein the binder is in the treatment agent. 7. The method of claim 1, wherein the initiator is added in the different location. 8. The method of claim 1, wherein during the bonding of the layered composite, an additional layered composite is built in the build location. 9. The method of claim 1, wherein the particulate material is deposited with a deposition device having a coating blade. 10. The method of claim 9, wherein each layer of particulate material is deposited in a single pass of the deposition device over a building platform. 11. The method of claim 1, wherein the treatment agent is dispensed using an inkjet printer. 12. The method of claim 1, wherein loose particulate material is removed after the step of bonding. 13. The method of claim 1, wherein the subareas of adjacent layers at least partially overlap and the layers are firmly bound to each other in the regions of overlap. 14. The method of claim 13, wherein the layered composite is in a same container during the building of the layered composite and during the bonding of the particulate matter. 15. The method of claim 1, wherein bonding of the particulate matter is in a single step at the different location;the initiator is added in the different location;the particulate material is deposited with a deposition device having a coating blade;each layer of particulate material is deposited in a single pass of the deposition device over a building platform;the treatment agent is dispensed using an inkjet printer;loose particulate material is removed after the step of bonding; andthe subareas of adjacent layers at least partially overlap and the layers are firmly bound to each other in the regions of overlap. 16. The method of claim 15, wherein the layered composite is in a same container during the building of the layered composite and during the bonding of the particulate matter. 17. The method of claim 16, wherein the predefined subarea of the layer is different from a predefined subarea of the subsequent layer. 18. The method of claim 17, wherein during the bonding of the layered composite, an additional layered composite is built in the build location. 19. The method of claim 18, wherein the binder is in the particulate material. 20. The method of claim 19, wherein the binder is in the treatment agent.
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