WO2022010333A1 - Système d'impression 3d - Google Patents

Système d'impression 3d Download PDF

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Publication number
WO2022010333A1
WO2022010333A1 PCT/KR2021/008902 KR2021008902W WO2022010333A1 WO 2022010333 A1 WO2022010333 A1 WO 2022010333A1 KR 2021008902 W KR2021008902 W KR 2021008902W WO 2022010333 A1 WO2022010333 A1 WO 2022010333A1
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WO
WIPO (PCT)
Prior art keywords
photocurable resin
injection
resin
nozzle
housing
Prior art date
Application number
PCT/KR2021/008902
Other languages
English (en)
Korean (ko)
Inventor
박성진
이홍주
김기형
Original Assignee
주식회사 류진랩
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 주식회사 류진랩 filed Critical 주식회사 류진랩
Priority claimed from KR1020210091029A external-priority patent/KR20220007561A/ko
Publication of WO2022010333A1 publication Critical patent/WO2022010333A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/10—Processes of additive manufacturing
    • B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
    • B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/205—Means for applying layers
    • B29C64/209—Heads; Nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/245—Platforms or substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B29C64/264—Arrangements for irradiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/307—Handling of material to be used in additive manufacturing
    • B29C64/321—Feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
    • B29C64/30—Auxiliary operations or equipment
    • B29C64/386—Data acquisition or data processing for additive manufacturing
    • B29C64/393—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00—Processes of additive manufacturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y50/00—Data acquisition or data processing for additive manufacturing
    • B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes

Definitions

  • Embodiments disclosed herein relate to a 3D printing system, and more particularly, to a 3D printing system capable of modeling an output while laminating a photocurable resin layer by layer in conjunction with slicing software.
  • a 3D printer (3D molding machine) uses 3D information of an object composed of a digital file to structure (slice) the object into a very thin layer, and then builds the actual sculpture by stacking the materials layer by layer from this information. technology to implement.
  • These 3D printers can be largely divided into a photocuring stacking method and an FDM (FFF) method.
  • FFF FDM
  • the photocurable lamination method is to perform 3D printing using a photocurable resin as disclosed in Korean Patent Application Laid-Open No. 10-2016-0130592, and is molded by irradiating light from a light source that provides light to a tank filled with resin. It is a technology to form a sculpture by curing the resin in the desired area.
  • the plate is repeatedly driven up and down through the elevating member, and layers by hardening of the resin are laminated on the plate one by one to output the sculpture.
  • the conventional resin 3D printer performs printing after filling the resin receiving part with a certain amount of resin, printing may fail if the resin is insufficient while printing. Because it has to fill a certain amount without it, the waste of resin is severe, and the increase in operating cost can be a burden.
  • a large storage unit In addition, in order to print a large print, a large storage unit must be used. If the large storage unit is filled with a large amount of resin, the material cost increases, and the weight of the resin puts a load on the 3D printer, which causes fatigue in the image switching unit at the bottom of the storage unit. It can accumulate and cause 3D printer failure.
  • Embodiments disclosed in the present specification avoid waste of material by spraying a required amount of photocurable resin to a required location in conjunction with slicing software when 3D printing is performed, and provide an easy 3D printing system for large-area printing there is a purpose to
  • the embodiments disclosed in this specification provide a light source of a light engine to a predetermined position of the accommodation unit to selectively supply a photocurable resin to an area where printing is performed in the accommodation space of the accommodation unit while printing is performed. It aims to present a 3D printing system.
  • the receiving unit for accommodating the photocurable resin; a light engine installed in the lower part of the accommodating part to provide a light source for molding an output to the accommodating part to cure the photocurable resin; a plate which is installed so as to be lifted on the upper part of the receiving part and is immersed in a photocurable resin by laminating the photocurable resin in a single layer on the bottom surface to form a three-dimensional output; a lifting member for allowing the stacking of the next single layer by lifting the plate to separate it from the bottom surface of the receiving unit after lamination of one single layer is completed on the plate, and lowering the plate again; and supplying the photocurable resin to the accommodating part at a predetermined water level, while adjusting the supply position of the photocurable resin, selectively supplying the photocurable resin to the area where printing is made by the light engine in the accommodating space of the accommodating part It may include a resin supply member.
  • the resin supply member receiving the photo-curable resin in a state installed on the outside of the accommodating portion, formed to a predetermined length, the injection housing extending into the receiving space of the accommodating portion; at least one injection nozzle installed along the longitudinal direction of the injection housing to inject the photocurable resin supplied to the injection housing into the receiving space of the housing; and a nozzle rotation motor for rotatably coupling one end of the spray housing to the outer periphery of the housing to move the spray nozzle to a predetermined area of the accommodation space while rotating the spray housing.
  • the injection nozzles are installed at predetermined intervals along the longitudinal direction of the injection housing while forming a plurality, and the resin supply member controls the injection area of the injection nozzles while controlling the opening and closing of each of the injection nozzles. It may further include a nozzle valve.
  • the injection housing is configured to be stretchable in length while forming a telescopic structure
  • the resin supply member may include a stretching member for linearly moving the injection nozzles while stretching the length of the injection housing.
  • the resin supply member by movably coupling the nozzle rotation motor to the outer periphery of the housing portion to move the nozzle rotation motor together with the injection housing to move the injection nozzle to a predetermined area of the accommodation space It may further include a nozzle slider.
  • the 3D printing system according to any one of the above-mentioned problem solving means supplies the photocurable resin to the area of the receiving part where printing by the light engine is made through the injection housing and the injection nozzle for supplying the resin supply member, so It is possible to present a 3D printing system that can prevent wastage and at the same time avoid output failure due to material exhaustion.
  • 1 is a configuration diagram showing the configuration of a 3D printing system according to an embodiment.
  • FIG. 2 is a plan view showing the configuration of a resin supply member according to an embodiment.
  • FIG 3 is a front view showing the configuration of a resin supply member according to an embodiment.
  • FIG. 4 is a plan view showing the configuration of a resin supply member according to another embodiment.
  • FIG. 1 is a configuration diagram showing the configuration of a 3D printing system according to an embodiment
  • FIG. 2 is a plan view showing the configuration of a resin supply member according to an embodiment
  • FIG. 3 is a configuration diagram of a resin supply member according to an embodiment It is a front view showing 4 is a plan view showing the configuration of a resin supply member according to another embodiment.
  • the 3D printing system 10 is a device for molding an output while stacking layers one by one using a photocurable resin, and is particularly suitable for modeling a large-area output.
  • the 3D printing system 10 includes a receiving unit 100 , a light engine 200 , a plate 300 , a lifting member 400 , and a resin supply member 500 . ) may be included.
  • the accommodating part 100 is configured in the form of a container with an open top, and is a component for accommodating a photocurable resin passed by light.
  • the photocurable resin is cured when receiving light, and all configurations known in the art to which the present invention pertains, including resin, may be applied.
  • the accommodating part 100 may be installed above the light engine 200 to be described later to transmit the light source provided from the light engine 200 and harden the photocurable resin.
  • a plate 300 to be described later on which the cured photocurable resin can be laminated is installed so as to be able to move up and down, so that the photocurable resin corresponding to the tomographic image can be laminated layer by layer.
  • the light engine 200 is a component that is installed in the lower portion of the receiving unit 100 and irradiates a light source for modeling the output to the receiving unit to perform 3D printing while curing the photocurable resin of the receiving unit 100 .
  • the light engine 200 irradiates a light source corresponding to the two-dimensional image for each tomographic image of the sculpture to the receiving unit 100 to cure the photocurable resin in a form corresponding to the tomographic image and laminate it on the plate 300 to be described later.
  • a component corresponding to the two-dimensional image for each tomographic image of the sculpture to the receiving unit 100 to cure the photocurable resin in a form corresponding to the tomographic image and laminate it on the plate 300 to be described later.
  • the light engine 200 may include a backlight unit 210 , an image switching unit 200 , a transparent support member 230 , and a control unit 240 .
  • the backlight unit 210 is a component that is installed under the receiving unit 100 to provide a backlight.
  • the backlight unit 210 may provide a backlight for outputting a sculpture in the lower portion of the image switching unit 220 to be described later under the control of the control unit 240 , and a plurality of light source elements are mounted to the control unit 240 . ) to provide a backlight while emitting light under the control of
  • the backlight unit 210 may be divided into a plurality of areas and controlled for each division while providing a backlight by the controller 240 , or may be controlled individually.
  • the backlight unit 210 is a micro LED (Light Emitting Diode), mini LED, LCD, LED, OLED (Organic Light Emitting Diode), any one selected from the group of self-luminous display devices including FED (Field Emission Display) It may be composed of an assembly of one element, and in addition, an element providing a light source having a predetermined wavelength may be included.
  • the image switching unit 220 is a component for curing the photocurable resin by irradiating a light source corresponding to the tomographic image to the receiving unit 100 based on the sliced data for molding the output.
  • the image switching unit 220 operates by the control unit 240 and switches the light source provided from the backlight unit 210 to a tomographic image form and irradiates the photocurable resin toward the accommodating unit 100 in a tomographic image form. can be cured with
  • the image switching unit 200 is illustrated to provide a light source from a lower portion of the accommodation unit 100 , but unlike the illustration, the image switching unit 200 may provide a light source from an upper portion or a side of the accommodation unit 100 .
  • the image switching unit 220 is composed of an LCD and can be operated under the control of the control unit 240 , and unlike the microLED, mini LED, LED, OLED, and FED that do not require the aforementioned backlight unit 210 . It may be composed of a self-luminous device such as
  • the transparent support member 230 is a component for preventing the image switching unit 220 from sagging. This may be prevented, and the backlight irradiated from the backlight unit 210 may be transmitted through the image switching unit 220 .
  • the control unit 240 is a component that controls the light emission of the image switching unit 220 and the backlight unit 210, and is synchronized with the image of the image switching unit 220 based on slicing software to control the light emission of the backlight unit 210 can be controlled
  • the light engine 200 may be composed of a self-luminous member such as OLED, LED, microLED, mini LED, FED, etc. while the above-described configuration of the backlight unit 210 is omitted, and a laser or DLP is used as a light source. A configuration such as a method may be applied.
  • the plate 300 is immersed in a photo-curable resin while being installed so as to be able to lift or lower on the upper portion of the receiving unit 100, and a three-dimensional sculpture while laminating the photo-curable resin cured by the light of the light engine 200 on the bottom surface. can form.
  • the plate 300 descends from the upper portion of the accommodating unit 100 by an elevating member 400 to be described later to face the bottom surface of the accommodating unit 100, and in this state, the light of the light engine 200 is When irradiated, the photocurable resin corresponding to the two-dimensional planar shape of the irradiated light is cured and laminated on the bottom surface, and then it can be separated from the bottom surface of the accommodation unit 100 while rising by the lifting member 400 again.
  • the lifting member 400 is a component that raises and lowers the plate 300 from the upper portion of the receiving unit 100 .
  • the lifting member 400 may be configured to include a lifting rail 410 and a slider 420 .
  • the lifting rail 410 may extend in a vertical direction while being installed adjacent to the accommodating part 100 to provide an elevating path of the plate 300 .
  • the slider 420 is movably coupled to the elevating rail 410 in a state of being fixed to the plate 300 , and may elevate the plate 300 while moving along the elevating rail 410 by control.
  • the slider 420 and the lifting rail 410 are configured by a ball screw method, a linear motor method, or a rack gear and a pinion gear method, and can lift and lower the plate 300 while moving in a straight line.
  • the lifting member 400 may include a horizontal moving member (not shown) that horizontally moves the slider 420 to correct the position of the plate 530 .
  • the resin supply member 500 is a component for supplying the photocurable resin to the accommodating part 100 at a predetermined water level, and in particular, by adjusting the supply position of the photocurable resin, the light engine 200 in the accommodating space of the accommodating part 100 . ), it is a component that can selectively supply a photocurable resin to the printing area.
  • the resin supply member 500 may be configured to include a spray housing 510 , a spray nozzle 520 , and a nozzle rotation motor 530 as shown in FIGS. 2 and 3 .
  • the spray housing 510 is a component that supplies the photocurable resin to the receiving space of the receiving unit 100, and is installed on the outside of the receiving unit 100 while connected to the supply line of the photocurable resin, as shown in FIG. As shown, it may be formed to a predetermined length and extend into the accommodation space of the accommodation unit 100 .
  • the spray housing 510 may be supplied with a photocurable resin of a capacity required for printing under the control of the controller 240, and the photocurable resin is applied to the receiving unit 100 based on a detection signal of a water level sensor (not shown). It may be supplied at a predetermined water level.
  • the spray nozzle 520 is a component that sprays and supplies the photocurable resin supplied to the spray housing 510 into the receiving space of the accommodating part 100 .
  • the injection nozzle 520 may be composed of at least one, and as shown in FIG. 3 , a plurality of injection nozzles 520 may be installed at predetermined intervals along the longitudinal direction of the injection housing 510 .
  • the nozzle rotation motor 530 is a component that selectively adjusts the supply position of the photocurable resin by moving the injection housing 510 and the injection nozzle 520 to a predetermined area of the accommodation space of the accommodation unit 100 .
  • the nozzle rotation motor 530 rotatably combines one end of the spray housing 510 with the outside of the receiving part 100 to rotate the spray housing 510 through forward and reverse rotation, as shown in FIG. 2 .
  • the injection nozzle 520 can be moved to a predetermined area while reciprocating (swinging) in the horizontal direction.
  • the nozzle rotation motor 530 may move the nozzle housing 510 to an area where printing is performed by the light engine 200 while operating based on the slicing software under the control of the controller 240 .
  • the photo-curable resin can be supplied to the printing area through the spray housing 510 and the spray nozzle 520 in the receiving unit 100, smooth printing can be performed while preventing material exhaustion.
  • opening and closing of the injection nozzles 520 may be controlled through the configuration of the nozzle valve 525 as shown in FIG. 3 .
  • the nozzle valve 525 may be installed in each of the injection nozzles 520 , and may selectively open and close each of the injection nozzles 520 while operating under the control of the controller 240 .
  • the nozzle valve 525 operates under the control of the control unit 240 and opens only the injection nozzle 520 corresponding to the area in which printing is performed, thereby supplying the photocurable resin to the area.
  • the nozzle valve 525 may supply a photocurable resin of a capacity required for printing through the control of the control unit 240 while opening and closing the injection nozzle 520 .
  • the resin may be supplied at a predetermined water level.
  • the injection housing 510 may be configured in multiple stages to have a telescopic structure and to be stretchable in length.
  • the resin supply member 500 is configured to expand and contract in length through the configuration of the expansion and contraction member 550 to linearly move the spray nozzles 520 .
  • the expansion and contraction member 550 is built into the injection housing 510 and is composed of a cylinder or a motor capable of expanding and contracting the length of the injection housing 510 through linear movement of the rod, and may be operated by the control unit 240 . .
  • the injection nozzle 520 may move to a predetermined area while linearly moving in the longitudinal direction of the injection housing 510 by expansion and contraction of the injection housing 510 .
  • the resin supply member 500 may be configured to further include a nozzle slider 560 as shown in FIG.
  • the nozzle slider 560 is a component for moving the spraying nozzle 520 to a predetermined area while moving the spraying housing 510 together with the nozzle rotating motor 530 .
  • the nozzle slider 560 may movably couple the nozzle rotation motor 530 to the nozzle rail 565 provided on the outside of the receiving unit 100 , and rotate the nozzle while operating under the control of the controller 240 .
  • the motor 530 may be moved to a predetermined area together with the injection housing 510 .
  • the injection nozzle 520 moves within the receiving space of the accommodating part 100 through a rotational movement by the nozzle rotation motor 530 and a linear movement by the nozzle slider 560 to move to an area where printing is performed.
  • a photocurable resin can be supplied.
  • the nozzle slider 560 and the nozzle rail 565 are configured in a ball screw method, a linear motor method, or a rack gear and a pinion gear method, and linearly move the nozzle rotating motor 530 together with the spray housing 510. area can be moved.
  • the control unit 240 may form and stack one unit layer corresponding to the tomographic image of the printed product on the bottom surface of the plate 300 lowered to the receiving unit 100 .
  • the light engine 200 irradiates the light source corresponding to the tomographic image of the output to the accommodating unit 100 through the backlight unit 210 and the image switching unit 220 under the control of the control unit 240 to achieve photocurability.
  • the resin is cured in a shape corresponding to the tomographic image to form a unit layer of one layer, and the plate 300 is lowered horizontally by the elevating member 400 to laminate the cured unit layer on the bottom surface.
  • the controller 240 operates the nozzle rotation motor 530 or the nozzle slider 560 to move the spray housing 510 and the spray nozzle 520 to the printing area, and controls the nozzle valve 525 to the printing area.
  • the photocurable resin can be supplied to the printing area while opening the injection nozzle 520 located in the .
  • the printing is performed through the injection housing 510 and the injection nozzle 520 for supplying the resin supply member 500.
  • the region of the receiving unit 100 By supplying a photocurable resin to the printer, it is possible to prevent wastage of materials during printing and at the same time avoid failure of printing due to exhaustion of materials, and has the advantage of being suitable for printing large-area sculptures.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)

Abstract

Il est fourni un système d'impression 3D capable de former un objet à imprimer tout en stratifiant des couches les unes sur les autres en utilisant une résine photodurcissable, le système d'impression 3D comprenant : une partie de réception pour recevoir une résine photodurcissable ; un moteur de lumière qui est installé au niveau du côté inférieur de la partie de réception et fournit une source de lumière pour former un objet à imprimer sur la partie de réception pour durcir la résine photodurcissable ; une plaque qui est installée au niveau du côté supérieur de la partie de réception pour pouvoir se déplacer vers le haut et vers le bas, et forme un objet tridimensionnel à imprimer par stratification d'une résine photodurcissable pour chaque monocouche sur sa surface de fond tout en étant immergée dans la résine photodurcissable ; un élément d'élévation qui, après qu'une stratification d'une monocouche sur la plaque est achevée, déplace la plaque vers le haut pour séparer la plaque de la surface de fond de la partie de réception, et déplace à nouveau la plaque vers le bas pour permettre une stratification d'une monocouche ultérieure ; et un élément d'alimentation en résine pour alimenter une résine photodurcissable dans la partie de réception jusqu'à un niveau prédéterminé, l'élément d'alimentation en résine alimentant sélectivement la résine photodurcissable dans une région, dans laquelle une impression est effectuée par le moteur de lumière, parmi l'espace de réception de la partie de réception tout en ajustant une position d'alimentation de la résine photodurcissable.
PCT/KR2021/008902 2020-07-10 2021-07-12 Système d'impression 3d WO2022010333A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2020-0085122 2020-07-10
KR20200085122 2020-07-10
KR10-2021-0091029 2021-07-12
KR1020210091029A KR20220007561A (ko) 2020-07-10 2021-07-12 3d 프린팅 시스템

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Publication Number Publication Date
WO2022010333A1 true WO2022010333A1 (fr) 2022-01-13

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006027015A (ja) * 2004-07-14 2006-02-02 Hokkaido 光造形装置、コータ及び光造形方法
JP2009166447A (ja) * 2008-01-21 2009-07-30 Sony Corp 光造形装置および光造形方法
WO2015137930A1 (fr) * 2014-03-11 2015-09-17 Empire Technology Development Llc Buses, procédés et systèmes d'extrusion pour l'impression en trois dimensions
WO2018213356A1 (fr) * 2017-05-15 2018-11-22 Holo, Inc. Systèmes et procédés d'impression tridimensionnelle de film visqueux
US20180361659A1 (en) * 2015-12-16 2018-12-20 3M Innovative Properties Company An additive manufacturing system and a method of additive manufacturing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006027015A (ja) * 2004-07-14 2006-02-02 Hokkaido 光造形装置、コータ及び光造形方法
JP2009166447A (ja) * 2008-01-21 2009-07-30 Sony Corp 光造形装置および光造形方法
WO2015137930A1 (fr) * 2014-03-11 2015-09-17 Empire Technology Development Llc Buses, procédés et systèmes d'extrusion pour l'impression en trois dimensions
US20180361659A1 (en) * 2015-12-16 2018-12-20 3M Innovative Properties Company An additive manufacturing system and a method of additive manufacturing
WO2018213356A1 (fr) * 2017-05-15 2018-11-22 Holo, Inc. Systèmes et procédés d'impression tridimensionnelle de film visqueux

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