Method and a system for solid freeform fabricating using non-reactive powder
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-019/00
출원번호
US-0648122
(2003-08-25)
발명자
/ 주소
Kramer,Laura
Kasperchik,Vladek P
Lambright,Terry M.
Boyd,Melissa D.
출원인 / 주소
Hewlett Packard Development Company, L.P.
인용정보
피인용 횟수 :
25인용 특허 :
8
초록▼
A method for creating a three-dimensional solid freeform fabrication object with non-reactive powder includes spreading a non-reactive powder on a substrate, selectively dispensing a reactive resin onto the non-reactive powder forming a mixture of reactive resin and non-reactive powder, wherein the
A method for creating a three-dimensional solid freeform fabrication object with non-reactive powder includes spreading a non-reactive powder on a substrate, selectively dispensing a reactive resin onto the non-reactive powder forming a mixture of reactive resin and non-reactive powder, wherein the selective dispensing of the reactive resin defines the three-dimensional object, and curing the reactive resin thereby encapsulating the non-reactive powder.
대표청구항▼
What is claimed is: 1. A method for creating a three-dimensional solid freeform fabrication object with non-reactive powder comprising: spreading a non-reactive powder on a substrate; heating a reactive resin to a temperature of about 40 to 200 degrees Celsius (C); selectively dispensing said heate
What is claimed is: 1. A method for creating a three-dimensional solid freeform fabrication object with non-reactive powder comprising: spreading a non-reactive powder on a substrate; heating a reactive resin to a temperature of about 40 to 200 degrees Celsius (C); selectively dispensing said heated reactive resin onto said non-reactive powder, forming a mixture of reactive resin and non-reactive powder, wherein said mixture defines said three-dimensional object; and curing said reactive resin thereby encapsulating said non-reactive powder. 2. The method of claim 1, wherein said reactive resin comprises an ultraviolet (UV) curable resin. 3. The method of claim 1, further comprising dispensing said heated reactive resin directly onto said non-reactive powder on said substrate. 4. The method of claim 1, further comprising applying ultrasonic energy to said mixture of reactive resin and non-reactive powder. 5. The method of claim 1, wherein curing said reactive resin further comprises: partially curing said reactive resin; applying at least one other layer of non-reactive powder and selectively dispensed reactive resin; and fully curing said reactive resin after said at least one other layer is formed to promote adhesion between layers of said object. 6. A solid freeform fabrication system for producing a three-dimensional object using non-reactive powder comprising: a powder spreading system configured to spread a specified quantity of non-reactive powder to form a layer of said powder on a substrate; a dispensing system adapted to selectively dispense both components of a two-part reactive resin onto said layer of non-reactive powder; and a computing device coupled to and configured to control said dispensing system and said powder spreading system; wherein said dispensing system comprises an inkjet dispenser. 7. The solid freeform fabrication system of claim 6, wherein said inkjet dispenser comprises one of a thermal inkjet dispenser, a continuous inkjet dispenser, or a piezoelectric inkjet dispenser. 8. The solid freeform fabrication system of claim 6, wherein said inkjet dispenser comprises a plurality of ejection orifices configured to selectively eject both components of said two-part reactive resin. 9. A solid freeform fabrication system for producing a three-dimensional object using non-reactive powder comprising: spreading means for spreading successive layers of said non-reactive powder; dispensing means for dispensing a reactive resin onto said non-reactive powder; curing means for curing said reactive resin, wherein said curing means only partially cures a layer of reactive resin until at least one additional layer of non-reactive powder and selectively-dispensed reactive resin have been formed, said reactive resin then being fully cured so as to promote adhesion between layers of said object; and controlling means for controlling said spreading means, said dispensing means, and said curing means. 10. The solid freeform fabrication system of claim 9, wherein said spreading means comprises one of a blade or a mechanical roller. 11. The solid freeform fabrication system of claim 9, wherein said dispensing means comprises a thermal inkjet dispenser. 12. The solid freeform fabrication system of claim 9, wherein said dispensing means comprises one of a piezoelectric inkjet dispenser or a continuous inkjet dispenser. 13. The solid freeform fabrication system of claim 9, wherein said curing means comprises a heater. 14. The solid freeform fabrication system of claim 9, wherein said curing means comprises a UV radiation applicator. 15. The solid freeform fabrication system of claim 9, wherein said controlling means comprises a computer. 16. A method for creating three-dimensional solid freeform fabrication object with non-reactive powder comprising: spreading a non-reactive powder on a substrate; selectively dispensing a reactive resin onto said non-reactive powder, forming a mixture of reactive resin and non-reactive powder, wherein said mixture defines said three-dimensional object: applying ultrasonic energy to said mixture of reactive resin and non-reactive powder; and curing said reactive resin thereby encapsulating said non-reactive powder; wherein curing said reactive resin further comprises: partially curing said reactive resin; applying at least one other layer of non-reactive powder and selectively-dispensed reactive resin; and fully curing said reactive resin after said at least one other layer is formed to promote adhesion between layers of said object. 17. A method for creating a three-dimensional solid freeform fabrication object with non-reactive powder comprising: spreading a non-reactive powder on a substrate; selectively dispensing a reactive resin onto said non-reactive powder, forming a mixture of reactive resin and non-reactive powder, wherein said mixture defines said three-dimensional object; partially curing said reactive resin; applying at least one other layer of non-reactive powder and selectively-dispensed reactive resin; and fully curing said reactive resin after said at least one other layer is formed to promote adhesion between layers of said object. 18. A system for fabricating a three-dimensional solid freeform fabrication object with non-reactive powder comprising: a system for spreading a non-reactive powder on a substrate; an inkjet dispenser for selectively dispensing a reactive resin onto said non-reactive powder, forming a mixture of reactive resin and non-reactive powder, wherein said mixture defines said three-dimensional object; and a curing system for curing said reactive resin thereby encapsulating said non-reactive powder. 19. The system of claim 18, wherein said curing system comprises an ultraviolet light source. 20. The system of claim 18, further comprising a system for applying ultrasonic energy to said mixture prior to curing.
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이 특허에 인용된 특허 (8)
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