WO2023063550A1 - Imprimante tridimensionnelle - Google Patents

Imprimante tridimensionnelle Download PDF

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Publication number
WO2023063550A1
WO2023063550A1 PCT/KR2022/011661 KR2022011661W WO2023063550A1 WO 2023063550 A1 WO2023063550 A1 WO 2023063550A1 KR 2022011661 W KR2022011661 W KR 2022011661W WO 2023063550 A1 WO2023063550 A1 WO 2023063550A1
Authority
WO
WIPO (PCT)
Prior art keywords
molding plate
insertion groove
printer
protruding
support
Prior art date
Application number
PCT/KR2022/011661
Other languages
English (en)
Korean (ko)
Inventor
변성욱
Original Assignee
오스템임플란트 주식회사
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 오스템임플란트 주식회사 filed Critical 오스템임플란트 주식회사
Publication of WO2023063550A1 publication Critical patent/WO2023063550A1/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
    • B29C64/10—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
    • B29C64/129—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 characterised by the energy source therefor, e.g. by global irradiation combined with a mask
    • B29C64/135—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 characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
    • 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
    • B29C64/227—Driving means
    • B29C64/232—Driving means for motion along the axis orthogonal to the plane of a layer
    • 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
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • 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

Definitions

  • the present invention relates to a three-dimensional printer, and more particularly, to a three-dimensional printer using a photocurable resin molding method.
  • a 3D printer is a device that makes an object by outputting successive layers of material like a 2D printer and stacking them. 3D printers can quickly produce objects based on digitized drawing information, so they are mainly used for producing prototype samples.
  • the product molding method of the 3D printer is a photocurable resin modeling method (SLA; Stereo Lithography Apparatus) in which laser beams are irradiated on a photocurable material and the irradiated part is molded into an object, or a selective laser melting method in which thermoplastic filaments are melted and laminated. (SLM; Selective laser melting) and the like.
  • SLA photocurable resin modeling method
  • SLM Selective laser melting
  • the 3D printer of the photocurable resin molding method is configured to mold a 3D object by curing the liquid resin by irradiating laser light to a water tank in which the photocurable liquid resin is stored, and when molding is completed, the user The molding plate must be manually removed or exchanged.
  • the conventional 3D printer is configured to attach and detach the molding plate through the fixing knob, so there is a hassle that the user has to operate the fixing knob every time when attaching and detaching the molding plate, and if the fixing knob is tightened less, the molding plate is perfect. There was a problem that molding defects occurred because it was not fixed properly.
  • the present invention is to solve the problems of the prior art described above, and an object of the present invention is to provide a 3D printer of a photocurable resin molding method in which a molding plate is easily detachable.
  • One aspect of the present invention is a water tank portion in which a photocurable resin is accommodated, a molding plate on which a sculpture is formed by curing the photocurable resin, a support portion formed to support the molding plate, and coupled to the support portion so that the support portion can be formed.
  • a three-dimensional printer comprising a lifting part for lifting up and down with respect to the jaw part and a gripping part releasably coupled to the molding plate.
  • an insertion groove into which the gripper can be engaged is formed on one side of the molding plate.
  • the gripping portion is characterized in that it comprises a body, a coupling portion fixed to the body, formed to correspond to the insertion groove.
  • a protruding slot protruding in the radial direction is formed at the end of the coupling part.
  • the protruding slot when the protruding slot passes through the insertion groove and rotates by a predetermined angle, it is characterized in that it is caught and fixed to the insertion groove.
  • the coupling part is characterized in that it comprises a fixing part fixed to the end of the body and a protruding part for supporting the protruding slot spaced apart from the fixing part by a predetermined distance.
  • the predetermined distance is characterized in that it corresponds to the thickness of the insertion groove.
  • the fixing part is characterized in that it does not pass through the insertion groove.
  • the outer circumferential surface of the body is characterized in that non-slip processing.
  • the molding plate is detached from the support part using the grip part, the user's usability can be increased, and the photocurable resin etc. can be prevented from getting on the user's hand.
  • FIG. 1 is a perspective view of a 3D printer according to an embodiment of the present invention.
  • FIGS. 2 and 3 are exploded perspective views of a 3D printer according to an embodiment of the present invention.
  • Figure 4 (a) is a perspective view of the gripper according to an embodiment of the present invention, and (b) is a cross-sectional view taken along line A-A'.
  • 5 to 7 are diagrams schematically illustrating a process of releasing a molding plate from a support according to an embodiment of the present invention.
  • FIG. 1 is a perspective view of a 3D printer 1 according to an embodiment of the present invention
  • FIGS. 2 and 3 are exploded perspective views of the 3D printer 1 according to an embodiment of the present invention
  • FIG. 4 ( A) is a perspective view of the gripper 500 according to an embodiment of the present invention
  • (b) is a cross-sectional view taken along the line A-A'
  • FIGS. 5 to 7 are a molding plate 100 according to an embodiment of the present invention. ) It is a diagram schematically showing a process of releasing from the support 200.
  • the 3D printer 1 prints an object P by stacking unit shaping layers with light emitted from a light source (not shown).
  • a light source not shown
  • it may include a molding plate 100, a support part 200, a water tank part 300, a lifting part 400 and a gripping part 500.
  • the molding plate 100 performs a function of supporting the molding object P when the object P is cured into a unit molding layer in the liquid resin of the water tank 300, and is shaped like a box with an open top. formed, and an attachment surface 110 to which the modeling object P is attached is formed on the bottom surface.
  • a plurality of discharge holes 111 penetrating the attachment surface 110 are formed in the molding plate 100 according to an embodiment of the present invention, and there is no great resistance when the molding plate 100 moves upward or downward in the liquid resin. It can work. Similarly, a plurality of discharge slots 122 penetrating the thickness may be formed around the molding plate 100 .
  • An extension part 130 extending outward is provided at the upper end of each side of the molding plate 100, and the extension part 130 is seated on the upper surface of the pair of arms 220 of the support part 200. do. That is, both ends of the shaping plate 100 are supported by the support 200 , and the attaching surface 110 of the shaping plate 100 is open toward the water tank 300 .
  • An insertion groove 121 corresponding to the shape of the coupling part 530 of the holding part 500 may be formed through the front surface 120 of the molding plate 100 .
  • the insertion groove 121 may be formed long in the horizontal direction so as to pass through the insertion groove 121 when the protruding slot 533 is placed horizontally, but is not limited thereto.
  • the support part 200 supports the extension part 130 of the molding plate 100 and is fixed to the elevation part 400, and is formed of a fixed end 210 and a pair of arms 220.
  • a plurality of holes are formed through one side of the fixing end 210, and may be fixedly coupled to the bracket 410 of the elevation part 400 by a fixing part such as a bolt.
  • the pair of arms 220 extend horizontally from both ends of the fixed end 210 toward the front, and are formed to have a predetermined width.
  • a sidewall 222 for preventing separation of the molding plate 100 may be formed at an outer end of the arm 220 to extend along the longitudinal direction of the arm 220 .
  • a space in which liquid resin can be filled is provided inside the water tank unit 300, and in particular, a photocurable resin can be accommodated. However, it is not limited thereto, and a photocurable resin may be filled.
  • a transparent bottom portion is formed on the lower surface of the water tank unit 300 so that light emitted from the light source can pass without interference.
  • the photocurable resin may refer to a polymer compound that is converted from a monomer to a polymer structure through a crosslinking reaction when irradiated with light in the UV region.
  • diazo, azide, acrylic acid, polyester, epoxy, and the like there are diazo, azide, acrylic acid, polyester, epoxy, and the like, and one having appropriate physical properties can be selected in consideration of the required strength of a three-dimensional object.
  • a separate sensitizer, photoinitiator, and the like may be added to increase the speed of photocuring.
  • the lifting part 400 moves the support part 200 and the molding plate 100 in a direction closer to or farther from the water tank part 300 along the height direction (z direction). In this embodiment, it is defined that the molding plate 100 and the support part 200 are moved up and down in both directions along the height direction by the lifting unit 400 .
  • the elevating unit 400 is cured photocurable resin. moves along the height direction.
  • the lifting part 400 is coupled to the support part 200 through the bracket 410 by.
  • the bracket 410 may be firmly fixed to one side of the elevation part 400 by a fixing part such as a bolt, but is not limited thereto, and may be bonded by an adhesive or the like in some cases. may be
  • the 3D printer 1 may further include a light source (not shown).
  • the light source irradiates light for curing the photocurable resin inside the water tank 300 while adjusting an irradiation range or an irradiation angle according to the shape of the object P.
  • the light emitted from the light source may consist of ultraviolet rays (IR), visible rays (VR), or a combination thereof.
  • the conventional 3D printer is configured to attach and detach the molding plate through the fixing knob, so the user has to operate the fixing knob every time, which is inconvenient.
  • the fixing knob is less tightened, the molding plate There was a problem that molding defects occurred because it was not perfectly fixed.
  • the 3D printer 1 is characterized in that the molding plate 100 is coupled to the support part 200 using magnetic force.
  • a plurality of magnets 230 may be provided on each of the pair of arms 220 of the support part 200 .
  • a magnet hole 221 formed to be depressed by a predetermined thickness may be formed on the upper surface of the arm 220, and the magnet 230 is coupled to the magnet hole 221 by a fixing means such as a bolt. It can be.
  • the molding plate 100 may be formed of a magnetic material so as to be coupled to the magnet 230 .
  • the extension part 130 supported by the arm 220 of the molding plate 100 may be formed of a magnetic material.
  • the magnet 230 may be disposed on the bottom surface of the extension part 130 of the molding plate 100, and the arm 220 may be formed of a magnetic material.
  • the user applies a predetermined pressure to the gripping part 500 coupled to the molding plate 100 to hold the molding plate 100 to the support part ( 200) can be easily released.
  • the force acts on the front part of the molding plate 100 to which the gripping part 500 is coupled, so that the front of the arm 220
  • the engagement with the molding plate 100 is sequentially released from the magnets 230 located on the .
  • each arm 220 if the magnets 230 of each arm 220 are disposed to face each other, the user must apply a force greater than or equal to the magnetic force of the pair of magnets 230 in order to release the molding plate 100, which affects the user. may cause fatigue.
  • the magnets 230 provided on each arm 220 are provided in the longitudinal direction of the arm 220 so that the molding plate 100 can be easily released. They may be arranged to be offset from each other along (x direction).
  • the first magnet 230a and the third magnet 230c are arranged to be separated by a predetermined distance along the x direction on the first arm 220a, and on the second arm 220b
  • the second magnet 230b and the fourth magnet 230d may be disposed to form a zigzag pattern with the first magnet 230a and the third magnet 230c in the x direction.
  • the coupling between the first magnet 230a and the front portion of the first extension portion 130a is released, and then the second magnet 230b located at the rear of the first magnet 230a and the second extension portion ( 130b)
  • the front portion is disengaged, and then the third magnet 230c located at the rear of the second magnet 230b and the rear portion of the first extension 130a are disengaged, and the rear portion of the third magnet 230c is disengaged.
  • the coupling between the fourth magnet 230d and the rear portion of the second extension 130b may be released.
  • the user can move the molding plate 100 to the support part (with a force corresponding to the magnetic force of the single magnet 230). 200) can be released.
  • the user can release the molding plate 100 from the support part 200 with less force.
  • the force to release the extension 130 from each magnet 230 becomes constant.
  • the molding plate 100 can be gently released from the support part 200 .
  • the coupling between the extension part 130 and the magnet 230 is sequentially released at regular time intervals, it is possible to give a user a uniform sense of release.
  • the arm 220 of the support 200 may include a guide protrusion 223, and the molding plate ( 100) may include a guide groove 131 corresponding to the guide protrusion 223.
  • the molding plate ( 100) may include a guide groove 131 corresponding to the guide protrusion 223.
  • a guide protrusion 223 is formed on the bottom surface of the extension part 130 of the molding plate 100, and a guide groove 131 corresponding to the guide protrusion 223 is formed on the arm 220. may be formed.
  • the gripping part 500 is for releasing the molding plate 100 on which the object P is formed from the support part 200, and includes a body 510, a coupling part 530, and a fixing shaft 520. ) can be configured.
  • the body 510 is a part that can be grasped by the user using the hand, and may be formed in the shape of a shaft having a predetermined thickness, but is not limited thereto, and various shapes can be applied, of course. .
  • a center hole 511 formed to be depressed in the longitudinal direction of the body 510 may be formed at an end of the body 510, and a fixed shaft 520 may be fixedly coupled to the center hole 511.
  • the fixed shaft 520 protrudes from the end of the body 510 by a predetermined length, and the coupling part 530 may be fixedly coupled to the protruding portion.
  • the coupling part 530 may be releasably coupled to the insertion groove 121 formed on the front surface 120 of the molding plate 100 .
  • the coupling part 530 includes a fixing part 531 formed to surround the outer circumferential surface of the fixing shaft 520 protruding outward from the body 510 and having a predetermined thickness, and a body in the fixing part 531 ( 510) may be formed of a protruding portion 532 protruding a predetermined distance along the longitudinal direction and a protruding slot 533 protruding from the center of the protruding portion 532 to both sides in a radial direction.
  • the diameter of the fixing part 531 is formed to be larger than the diameter of the insertion groove 121, so that when the protruding slot 533 is inserted into the insertion groove 121, the upper surface of the fixing part 531 is inserted into the insertion groove 121. get caught in
  • the protrusion 532 may have a diameter that has a gradient along the circumferential direction.
  • the protrusion 532 may be formed to gradually increase in diameter up to 90 degrees in a clockwise or counterclockwise direction based on the center and upper end of the cross section, and may be formed to have a constant diameter up to 180 degrees thereafter.
  • the coupling part 530 is inserted into the insertion groove 121 and rotated approximately 90 degrees to the inner circumferential surface of the insertion groove 121.
  • the outer circumferential surface of the protruding portion 532 is in contact and rotation is restricted. That is, the rotation range of the coupler 530 may be limited to approximately 90 degrees.
  • the gripping part 500 when the gripping part 500 is inserted into the insertion groove 121 and rotated 90 degrees, the protruding slot 533 is caught on the inner surface of the front surface 120, and the outer circumference of the protruding part 532 is the insertion groove 121. Since it comes into contact with the inner circumferential surface, the gripping portion 500 can be firmly coupled to the molding plate 100 .
  • a protrusion may be formed on the inner surface of the protruding slot 533, and a groove corresponding to the protrusion may be formed in the vertical direction of the insertion groove 121 among the inner surfaces of the front surface 120.
  • the protrusion can be coupled to the groove.
  • protrusions may be formed on the front surface 120 of the molding plate 100 and grooves may be formed on the protruding slots 533 .
  • the length of the protruding portion 532 which is the distance d between the protruding slot 533 and the fixing portion 531, is formed to correspond to the thickness of the front surface 120 of the molding plate 100, so that the coupling portion 530 When coupled to the insertion groove 121, it is possible to prevent mutual clearance.
  • the gripping unit 500 may be composed of an assembly between the body 510, the fixing shaft 520 and the coupling part 530, but is not limited thereto, and the body 510, the fixing shaft ( 520) and the coupling part 530 may be integrally formed.
  • the direction of the protruding slot 533 of the gripping part 500 is aligned according to the shape of the insertion groove 121 provided on the front surface 120 of the molding plate 100, and the gripping part 500 is inserted into the insertion groove 121. ) is inserted in the medial direction. Since the diameter of the fixing part 531 of the holding part 500 is larger than the diameter of the insertion groove 121, the protrusion slot 533 is inserted into the insertion groove 121, and the upper surface of the fixing part 531 is inserted. It gets caught in the groove 121.
  • the gripper 500 is rotated by 90 degrees, the protruding slot 533 is caught on the front surface 120 of the molding plate 100, and the gripper 500 is coupled to the molding plate 100. At this time, if the distance between the protruding slot 533 and the fixing part 531 is formed to correspond to the thickness of the front surface 120 of the molding plate 100, the gripping part 500 is firmly attached to the molding plate 100 without any clearance. can be conjoined.
  • the modeling object P formed on the attachment surface 110 of the modeling plate 100 may be separated and a post-processing operation such as surface polishing or painting may be performed.
  • the molding plate 100 is released from the support 200 using the gripper 500, user convenience is improved. It can be increased, and in addition, it is possible to prevent the photocurable resin from being on the user's hand.

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

Abstract

Un mode de réalisation de la présente invention est une imprimante tridimensionnelle comprenant : une partie réservoir d'eau dans laquelle une résine photodurcissable est réceptionnée ; une plaque de moulage sur laquelle la résine photodurcissable est durcie pour former un matériau moulé ; une partie support pour supporter la plaque de moulage ; une partie élévatrice couplée à la partie support de façon à élever la partie support vers le haut et vers le bas par rapport à la partie réservoir d'eau ; et une partie maintien couplée de façon détachable à la plaque de moulage.
PCT/KR2022/011661 2021-10-13 2022-08-05 Imprimante tridimensionnelle WO2023063550A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020210135484A KR102527530B1 (ko) 2021-10-13 2021-10-13 3차원 프린터
KR10-2021-0135484 2021-10-13

Publications (1)

Publication Number Publication Date
WO2023063550A1 true WO2023063550A1 (fr) 2023-04-20

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PCT/KR2022/011661 WO2023063550A1 (fr) 2021-10-13 2022-08-05 Imprimante tridimensionnelle

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KR (1) KR102527530B1 (fr)
WO (1) WO2023063550A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015170890A1 (fr) * 2014-05-07 2015-11-12 이병극 Appareil d'impression 3d
KR101772999B1 (ko) * 2016-07-14 2017-08-31 오스템임플란트 주식회사 3d 프린팅 장치
KR101772997B1 (ko) * 2016-07-14 2017-08-31 오스템임플란트 주식회사 3d 프린팅 장치
KR102148822B1 (ko) * 2020-04-21 2020-08-27 (주)아름덴티스트리 3d 프린팅 장치
JP2021016998A (ja) * 2019-07-19 2021-02-15 カンタツ株式会社 ３次元積層造形装置、３次元積層造形装置の調整方法および３次元積層造形装置の調整プログラム

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015170890A1 (fr) * 2014-05-07 2015-11-12 이병극 Appareil d'impression 3d
KR101772999B1 (ko) * 2016-07-14 2017-08-31 오스템임플란트 주식회사 3d 프린팅 장치
KR101772997B1 (ko) * 2016-07-14 2017-08-31 오스템임플란트 주식회사 3d 프린팅 장치
JP2021016998A (ja) * 2019-07-19 2021-02-15 カンタツ株式会社 ３次元積層造形装置、３次元積層造形装置の調整方法および３次元積層造形装置の調整プログラム
KR102148822B1 (ko) * 2020-04-21 2020-08-27 (주)아름덴티스트리 3d 프린팅 장치

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KR102527530B1 (ko) 2023-05-03
KR20230052429A (ko) 2023-04-20

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