WO2016178545A1 - Imprimante 3d - Google Patents

Imprimante 3d Download PDF

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Publication number
WO2016178545A1
WO2016178545A1 PCT/KR2016/004790 KR2016004790W WO2016178545A1 WO 2016178545 A1 WO2016178545 A1 WO 2016178545A1 KR 2016004790 W KR2016004790 W KR 2016004790W WO 2016178545 A1 WO2016178545 A1 WO 2016178545A1
Authority
WO
WIPO (PCT)
Prior art keywords
ink
printer
heating unit
injection nozzle
unit
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2016/004790
Other languages
English (en)
Korean (ko)
Inventor
이진규
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
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 LG Chem Ltd filed Critical LG Chem Ltd
Priority to JP2017554556A priority Critical patent/JP6554740B2/ja
Priority to US15/569,942 priority patent/US10974455B2/en
Priority to CN201680025954.5A priority patent/CN107614244B/zh
Priority to EP16789651.3A priority patent/EP3292990B1/fr
Priority claimed from KR1020160056080A external-priority patent/KR101819335B1/ko
Publication of WO2016178545A1 publication Critical patent/WO2016178545A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—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
    • B33Y70/00—Materials specially adapted for additive manufacturing
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—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
    • 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 [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D 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 [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D 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

  • the present invention relates to a 3D printer.
  • a 3D printer is a printer that outputs an object in three dimensions, and has various printing methods according to the material of the ink.
  • thermoplastic polymer fibers as an ink
  • photocurable resin as an ink
  • An object of the present invention is to provide a 3D printer capable of generating thermal curing or thermal fusion of ink through induction heating.
  • an object of the present invention is to provide a 3D printer including at least one coil structure located behind the spray nozzle and provided to form an alternating electromagnetic field focused on an ink coated area. do.
  • an object of the present invention is to provide a 3D printer that can adjust the interval between at least one of the interval between the injection nozzle and the substrate and the interval between the heating unit and the substrate, and capable of continuous 3D printing.
  • the ink tank, the ink containing the magnetic material is stored, connected to the ink tank, the injection nozzle for ejecting the ink, the substrate on which the ejected ink is deposited And a heating part provided to heat the ink applied on the substrate through induction heating, and arranged to be located behind the injection nozzle based on the conveying direction of the injection nozzle, a transfer part for transferring the injection nozzle and the heating part, and There is provided a 3D printer including a control unit for controlling the heating unit and the transfer unit.
  • the heating unit may be provided to apply an external alternating electromagnetic field to the ink deposited on the substrate.
  • the heating portion may be provided to form an alternating electromagnetic field concentrated in the ink deposited on the substrate.
  • the heating unit may include one or more coil structures.
  • the coil structure may have a cylindrical shape (solenoid), a spiral shape, or a pancake shape.
  • the coil structure may have a circular or square coil shape.
  • the heating unit may include two coil structures respectively disposed on both rear sides of the spray nozzle.
  • the heating unit may be provided to apply an external alternating electromagnetic field to the ink located in the space between the two coil structures.
  • the heating unit may be arranged to be located at the same height as the injection nozzle, the heating unit may be arranged to be located at a different height than the injection nozzle.
  • the heating unit may be disposed to be positioned about 1 mm below the spray nozzle.
  • the heating unit may be provided such that the center line of the nozzle head of the injection nozzle is located between the two coil structures.
  • the heating unit may be provided such that the two coil structures are symmetrically arranged along the centerline of the nozzle head of the injection nozzle.
  • the diameter of the nozzle head of the injection nozzle may be 100 ⁇ m or less, preferably 10 to 50 ⁇ m.
  • the two coil structures may be provided in a Helmholtz type, a bi-conical type, or a dual pancake type.
  • the transfer unit may be provided to integrally transfer the heating unit and the injection nozzle.
  • the transfer unit may be provided to transfer the heating unit and the injection nozzle separately.
  • the transfer unit may be provided to transfer the heating unit and the injection nozzle at different speeds.
  • the transfer unit may be provided to adjust the relative position of the heating unit relative to the substrate.
  • At least one of the heating unit and the substrate may be provided to be elevated.
  • the heating unit may be provided to be elevated relative to the substrate.
  • the transfer unit may be provided to adjust the distance between the substrate and the injection nozzle.
  • the injection nozzle may be provided to be elevated relative to the substrate.
  • control unit may be provided to operate the heating unit at the same time as the ink coating.
  • control unit may be provided to operate the heating unit after a predetermined time has passed after application of ink.
  • the magnetic body may include metal particles, metal oxides, or alloy particles having magnetic properties.
  • the ink may include a single molecule, an oligomer, or a polymer including a thermosetting group.
  • the ink may include a thermosetting polymer.
  • the ink may include ceramic particles, and the ceramic particles may include one or more oxides, nitrides, or carbides selected from the group consisting of silicon (Si), aluminum (Al), titanium (Ti), and zirconium (Zr).
  • the 3D printer related to at least one embodiment of the present invention has the following effects.
  • the 3D printer is capable of generating thermal curing or thermal fusion of the ink (or ink composition) through induction heating, and is provided to form a focused electromagnetic field focused on the area where the ink is applied. do.
  • the 3D printer is provided so that at least one of the gap between the injection nozzle and the substrate and the gap between the heating unit and the substrate is adjustable, it is possible to continuously 3D printing.
  • FIG. 1 is a block diagram showing a 3D printer according to an embodiment of the present invention.
  • FIGS. 2 to 5 are conceptual views illustrating various embodiments of a heating unit according to the present invention.
  • each component member may be exaggerated or reduced. Can be.
  • FIGS. 2 to 5 are conceptual views illustrating various embodiments of a heating unit according to the present invention.
  • the ink may mean an ink composition capable of thermal fusion or thermosetting by induction heating, and the term ink or ink composition may be used together in the same meaning.
  • a 3D printer 1 is connected to an ink tank 10 and an ink tank 10 in which ink I including magnetic material is stored, and sprays ink. It includes a spray nozzle 40 for.
  • the 3D printer 1 is provided to heat the ink I applied on the substrate 20 through the substrate 20 on which the ejected ink is deposited and the induction heating, and the injection nozzle ( And a heating part 50 provided to be located behind the injection nozzle 40 with respect to the conveying direction of 40.
  • the 3D printer 1 includes a transfer unit 60 for transferring the injection nozzle 40 and the heating unit 50.
  • the 3D printer 1 includes a control unit 70 for controlling the heating unit 50 and the transfer unit 50.
  • the heating part 50 is provided to apply an external alternating electromagnetic field to the ink composition C deposited on the substrate 20.
  • the ink composition (C) may be heated while induction heating occurs by the electromagnetic field.
  • the ink composition (C) may be cured according to the composition, or the metal particles may be thermally fused according to the composition, as described below, and thus three-dimensional printing may proceed.
  • the ink jetted from the jet nozzle 40 is represented by an English letter I
  • the ink heated through the heating unit 50 is represented by an English letter C.
  • the external AC electromagnetic field may have a frequency of 100 kHz to 1 Ghz and a current of 5 A to 500 A.
  • the ink composition can be completely cured within about 10 seconds to 1 hour.
  • the heating unit 50 may be provided to form a focused electromagnetic field concentrated in the ink composition C deposited on the substrate 20.
  • the heating unit 50 may include one or more coil structures.
  • the coil structure may have various structures such as a circle, a polygon, and a spiral.
  • the coil structure may be used for surface heating, inner surface heating, flat plate heating, and the like.
  • the shape, number and arrangement of the coil structures of the coil structure may be variously determined.
  • the coil structure may have a cylindrical shape, a spiral shape, or a pancake shape.
  • the coil structure may have a circular or square coil shape.
  • the heating unit 50 may be disposed adjacent to the injection nozzle 40.
  • the heating unit 50 is provided to be located behind the spray nozzle 40 with respect to the conveying direction of the spray nozzle 40. Specifically, as the heating unit 50 is provided in the rear of the injection direction of the injection nozzle 40, the injection of the ink through the injection nozzle 40 and the heating of the ink through the heating unit 50 simultaneously or sequentially Can be done.
  • the transfer unit 60 may be provided to transfer the heating unit 50 and the injection nozzle 40 integrally. In this case, the heating unit 50 and the injection nozzle 40 may be transferred at the same speed. Alternatively, the transfer unit 60 may be provided to transfer the heating unit 50 and the injection nozzle 40 separately. In this case, the heating unit 50 and the injection nozzle 40 may be provided to be transferred at different speeds.
  • the conveying part may include a driving source such as a motor, and may be composed of known elements used to convey ink nozzles in the printer art.
  • the transfer part 60 may be provided to adjust a gap between the substrate 20 and the heating part 50.
  • the heating unit 50 may be provided to be elevated relative to the substrate 20.
  • the substrate 20 may be provided to be elevated relative to the heating unit 50. That is, the transfer unit 60 may be provided to adjust a relative position of the heating unit 50 with respect to the substrate 20, and at least one of the heating unit 50 and the substrate 20 may be provided to be elevated. .
  • the transfer unit 60 may be provided to adjust the distance between the substrate 20 and the spray nozzle 40.
  • control unit 70 may be provided to operate the heating unit 50 simultaneously with the ink (I).
  • control unit 70 may be provided to operate the heating unit 50 after a predetermined time has passed after the ink application.
  • the heating unit 150 may include two coil structures 151 and 152 respectively disposed at both rear sides of the injection nozzle 40.
  • the heating unit 150 may be provided to apply an external alternating electromagnetic field to ink located in a space between two coil structures 151 and 152.
  • the heating unit 150 may be provided such that the center line L of the nozzle head of the injection nozzle 40 is positioned between the two coil structures 151 and 152.
  • the two coil structures 151, 152 may be of the Helmholtz type (see FIG. 3), the dual pancake type (see FIG. 4) or the bi-conical type. type) (see FIG. 5).
  • the magnetic body may include ferromagnetic metal particles, metal oxides, ferrites or alloy particles.
  • the magnetic material may include magnetic nanoparticles.
  • the ink composition (I) may comprise a thermosetting polymer and magnetic nanoparticles.
  • a magnetic field is formed in the magnetic nanoparticles, and the thermosetting polymer can be cured by the heat generated thereby. Therefore, the ink composition (I) can be cured only by applying an external alternating electromagnetic field, not by direct heat.
  • thermosetting polymer monomer or oligomer is not particularly limited, but monomers of epoxy resins, monomers of phenol resins, monomers of amino resins, monomers of unsaturated polyester resins, monomers of acrylic resins, monomers of maleimide resins, One or more types selected from the group consisting of monomers of cyanate resins can be used, and preferably one or more types selected from the group consisting of monomers of epoxy resins, monomers of acrylic resins and monomers of maleimide resins can be used. .
  • thermosetting polymer monomer or oligomer may be included in an amount of 80 to 99 parts by weight based on the total weight of the ink composition.
  • the magnetic nanoparticles have a diameter of 1 to 999 nm, preferably has a diameter of 30 to 300 nm, more preferably has a diameter of 50 to 100 nm, still more preferably 50 to 60 nm Has a diameter.
  • the ink composition may not secure dispersibility.
  • the magnetic nanoparticles may be one or more selected from the group consisting of Fe 3 O 4 , Fe 2 O 3 , MnFe 2 O 4 , CoFe 2 O 4 , Fe, CoPt, and FePt.
  • the ink composition (I) may include 80 to 99 parts by weight of the thermosetting polymer and 1 to 20 parts by weight of the magnetic nanoparticles based on the total weight.
  • the content of the magnetic nanoparticles is less than 1 part by weight, the time for curing the ink composition is long, and when the content of the magnetic nanoparticles exceeds 20 parts by weight, the color of the cured resin may be excessively dark due to the black magnetic nanoparticles.
  • agglomeration of magnetic nanoparticles may occur, so that empty spaces may occur in the cured resin, and cracks may occur.
  • the ink composition may further include one or more selected from the group consisting of a curing agent and a crosslinking agent.
  • the curing agent is not particularly limited in kind, but is, for example, a group consisting of an organic peroxide, a hydroperoxide, an azo compound, an imidazole series, an aliphatic amine, an aromatic amine, a tertiary amine, a polyamide resin, a phenol resin, and an acid anhydride.
  • One or more types selected from can be used.
  • the curing agent may be included in an amount of 1 to 10 parts by weight, preferably 1 to 5 parts by weight, based on the total weight of the ink composition.
  • the content of the curing agent When the content of the curing agent is less than 1 part by weight, it takes a long time to completely cure the ink composition. When the content of the curing agent exceeds 10 parts by weight, a large amount of polymer having a short chain length may be generated, thereby reducing thermal stability of the cured resin.
  • the kind of the crosslinking agent is not particularly limited, but for example, at least one selected from the group consisting of phenol novolak resins, phenolalkyl resins, allylated phenol novolak resins, and microcapsule type crosslinking agents can be used.
  • the crosslinking agent may be included in an amount of 1 to 10 parts by weight based on the total weight of the ink composition. If the content of the crosslinking agent is less than 1 part by weight, the crosslinking may not be sufficiently performed to melt the polymer at a high temperature, and may cause expansion by a solvent. If the content exceeds 10 parts by weight, the crosslinking may be excessive, leading to a brittle state of the cured resin.
  • the injection nozzle 40 connected to the ink tank 10 and the heating unit 50 for applying an external alternating electromagnetic field to the ink composition to the heat curing may constitute a printer head 30.
  • the transfer unit 60 adjusts the relative position of the print head 30 with respect to the substrate 20.
  • control unit 70 is provided to control the transfer unit 60 and the printer head 30.
  • controller 70 may control the injection of the ink composition I and the generation of an external alternating electromagnetic field to occur simultaneously.
  • the transfer unit 60 may be configured as a conventional transfer unit for transferring the nozzle head in the printer.
  • the transfer unit 60 may include a rail unit according to the injection trajectory and one or more motors for moving the printer head 30 on the rail unit.
  • the transfer unit 60 may include one or more motors (eg, step motors) for elevating the print head 30 and / or the substrate 20.
  • the ink composition related to the present invention may include micro-sized metal particles and additives (eg, organic components).
  • additives eg, organic components
  • the ink composition may contain a thermosetting resin and magnetic nanoparticles (thermosetting resin ink), or may contain metal particles and an additive (metallic ink).
  • thermosetting resin ink the thermosetting polymer is included as a main component based on the total weight of the ink composition, and the magnetic nanoparticle is included as an auxiliary component, whereas in the case of the metallic ink, the micro-sized metal particles are included as the main component.
  • the additive component may be removed by thermally fusion of the metal particles through induction heating.
  • the magnetic particles may include metal oxide, ferrite or alloy particles.
  • the metal oxide may include at least one oxide selected from the group consisting of iron (Fe), cobalt (Co), nickel (Ni), chromium (Cr), yttrium (Y), samarium (Sm), and gadolinium (Gd). can do.
  • the ferrite may include MO ⁇ Fe 2 O 3 , and M may be a divalent metal ion.
  • divalent metal ions may include manganese, iron, cobalt, nickel or zinc.
  • the alloy particles may include FePt, CoPt, Ni-Zn or Mn-Zn.
  • the ink may include ceramic particles.
  • the ceramic may include at least one oxide, nitride, or carbide selected from the group consisting of silicon (Si), aluminum (Al), titanium (Ti), and zirconium (Zr).
  • the ink may include inorganic particles and ceramic particles having a core-shell structure.
  • the shell may include a ceramic.
  • the core may comprise a magnetic material or a metal powder, the core is iron (Fe), cobalt (Co), nickel (Ni), chromium (Cr), yttrium (Y), samarium (Sm) and gadolinium (Gd) It may include one or more oxides selected from the group consisting of.
  • the composition may comprise a ceramic sol solvent.
  • the composition may be a ceramic sol solution.
  • heat is generated from the magnetic material or the metal powder uniformly dispersed in the composition, thereby enabling uniform heat curing, and hardening of the ceramic particles may be accompanied with curing of the ceramic sol, thereby increasing the strength of the final cured product.
  • the curing may be by sintering between the ceramic materials, but is not limited thereto, and curing of the composition may be performed together with the curable resin described below.
  • the 3D printer according to the present invention can generate thermal curing or thermal fusion of an ink (or ink composition) through induction heating, and forms a focused electromagnetic field concentrated in the area where the ink is applied. It is prepared to do so.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)

Abstract

La présente invention concerne une imprimante 3D, et selon un aspect de la présente invention, ladite imprimante 3D comprend : un réservoir d'encre destiné à stocker une encre comprenant un corps magnétique ; une buse d'injection qui est reliée au réservoir d'encre et qui est appropriée pour injecter de l'encre ; un substrat sur lequel est déposée l'encre injectée ; une unité de chauffage qui est disposée de manière à chauffer l'encre enduite sur le substrat au moyen d'un chauffage par induction, et qui est disposée de sorte à être positionnée au-dessous de la buse d'injection en se basant sur le sens de transport de la buse d'injection ; une unité de transport destinée à transporter la buse d'injection et l'unité de chauffage ; et une unité de commande destinée à commander la chaleur de chauffage et l'unité de déplacement.
PCT/KR2016/004790 2015-05-07 2016-05-09 Imprimante 3d Ceased WO2016178545A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017554556A JP6554740B2 (ja) 2015-05-07 2016-05-09 ３ｄプリンター
US15/569,942 US10974455B2 (en) 2015-05-07 2016-05-09 3D printer
CN201680025954.5A CN107614244B (zh) 2015-05-07 2016-05-09 3d打印机
EP16789651.3A EP3292990B1 (fr) 2015-05-07 2016-05-09 Imprimante 3d

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2015-0063861 2015-05-07
KR20150063861 2015-05-07
KR1020160056080A KR101819335B1 (ko) 2015-05-07 2016-05-09 3d 프린터
KR10-2016-0056080 2016-05-09

Publications (1)

Publication Number Publication Date
WO2016178545A1 true WO2016178545A1 (fr) 2016-11-10

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Application Number Title Priority Date Filing Date
PCT/KR2016/004790 Ceased WO2016178545A1 (fr) 2015-05-07 2016-05-09 Imprimante 3d

Country Status (1)

Country Link
WO (1) WO2016178545A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107053653A (zh) * 2017-03-30 2017-08-18 大连理工大学 基于电场‑热场复合的电喷射3d打印装置及方法
WO2018196868A1 (fr) * 2017-04-29 2018-11-01 南京钛陶智能系统有限责任公司 Procédé d'impression tridimensionnelle
CN109177157A (zh) * 2018-07-11 2019-01-11 深圳市奈士迪技术研发有限公司 一种具有调节功能的3d打印机
WO2019177535A1 (fr) * 2018-03-12 2019-09-19 Nanyang Technological University Procédé de frittage d'un motif imprimé
CN110573322A (zh) * 2017-04-26 2019-12-13 株式会社Lg化学 喷嘴组合件和包括其的3d打印机
JP2019536890A (ja) * 2016-11-21 2019-12-19 エルジー・ケム・リミテッド ３ｄプリンティング用組成物
US11872623B2 (en) 2016-11-04 2024-01-16 Lg Chem, Ltd. Thermosetting composition

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JP2000094530A (ja) * 1998-09-25 2000-04-04 Canon Inc 造形装置及び造形方法
US20040151978A1 (en) * 2003-01-30 2004-08-05 Huang Wen C. Method and apparatus for direct-write of functional materials with a controlled orientation
WO2007114895A2 (fr) * 2006-04-06 2007-10-11 Z Corporation production d'éléments tridimensionnels au moyen de radiations électromagnétiques
US20100171792A1 (en) * 2007-06-01 2010-07-08 Jagjit Sidhu Direct Write and Additive Manufacturing Processes
US20140363327A1 (en) * 2013-06-10 2014-12-11 Grid Logic Incorporated Inductive Additive Manufacturing System

Patent Citations (5)

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Publication number Priority date Publication date Assignee Title
JP2000094530A (ja) * 1998-09-25 2000-04-04 Canon Inc 造形装置及び造形方法
US20040151978A1 (en) * 2003-01-30 2004-08-05 Huang Wen C. Method and apparatus for direct-write of functional materials with a controlled orientation
WO2007114895A2 (fr) * 2006-04-06 2007-10-11 Z Corporation production d'éléments tridimensionnels au moyen de radiations électromagnétiques
US20100171792A1 (en) * 2007-06-01 2010-07-08 Jagjit Sidhu Direct Write and Additive Manufacturing Processes
US20140363327A1 (en) * 2013-06-10 2014-12-11 Grid Logic Incorporated Inductive Additive Manufacturing System

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11872623B2 (en) 2016-11-04 2024-01-16 Lg Chem, Ltd. Thermosetting composition
JP2019536890A (ja) * 2016-11-21 2019-12-19 エルジー・ケム・リミテッド ３ｄプリンティング用組成物
US11232891B2 (en) 2016-11-21 2022-01-25 Lg Chem, Ltd. Composition for 3 dimensional printing
CN107053653A (zh) * 2017-03-30 2017-08-18 大连理工大学 基于电场‑热场复合的电喷射3d打印装置及方法
CN110573322A (zh) * 2017-04-26 2019-12-13 株式会社Lg化学 喷嘴组合件和包括其的3d打印机
CN110573322B (zh) * 2017-04-26 2021-10-22 株式会社Lg化学 喷嘴组合件和包括其的3d打印机
US11203152B2 (en) 2017-04-26 2021-12-21 Lg Chem, Ltd. Nozzle assembly and 3D printer comprising the same
WO2018196868A1 (fr) * 2017-04-29 2018-11-01 南京钛陶智能系统有限责任公司 Procédé d'impression tridimensionnelle
WO2019177535A1 (fr) * 2018-03-12 2019-09-19 Nanyang Technological University Procédé de frittage d'un motif imprimé
CN109177157A (zh) * 2018-07-11 2019-01-11 深圳市奈士迪技术研发有限公司 一种具有调节功能的3d打印机
CN109177157B (zh) * 2018-07-11 2020-10-23 永康市普方铝业有限公司 一种具有调节功能的3d打印机

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