KR100236566B1 - Multi photosolidification method and apparatus - Google Patents

Multi photosolidification method and apparatus Download PDF

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KR100236566B1
KR100236566B1 KR1019970026515A KR19970026515A KR100236566B1 KR 100236566 B1 KR100236566 B1 KR 100236566B1 KR 1019970026515 A KR1019970026515 A KR 1019970026515A KR 19970026515 A KR19970026515 A KR 19970026515A KR 100236566 B1 KR100236566 B1 KR 100236566B1
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laser
photocurable resin
light source
container
laser light
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KR19990002805A (en
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민창식
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구자홍
엘지전자주식회사
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    • 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
    • B29C64/255—Enclosures for the building material, e.g. powder containers
    • 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
    • B29C64/268—Arrangements for irradiation using laser beams; using electron beams [EB]
    • 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
    • B29C64/277—Arrangements for irradiation using multiple radiation means, e.g. micromirrors or multiple light-emitting diodes [LED]
    • 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
    • B29C64/40—Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
    • 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
    • B29C67/0003—Moulding articles between moving mould surfaces, e.g. turning surfaces
    • 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
    • B33Y40/20—Post-treatment, e.g. curing, coating or polishing
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0838—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using laser

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

Abstract

본 발명은 하나의 레이저 광원을 사용하여 복수의 조형물을 형성할 수 있도록 한 다중 광조형 장치에 관한 것으로, 레이저빔(a)을 발생하는 레이저광원(10)과, 액상의 광경화성수지가 수용되고,복수의 조형플랫폼면을 갖는 레이저투과성용기(20)와, 상기 레이저광원(10)에서 발생된 레이저를 복수개로 분할하는 빔스플리터(30)와, 상기 분할된 레이저를 각각 상기 용기(30)에 수용된 광경화성수지의 액면에 촛점을 형성하도록 반사하는 회전가능한 복수의 스캐닝미러(40)와, 상기 용기내의 광경화성수지가 경화되어 형성되는 조형물(b)을 상하이동할 수 있는 엘리베이터(50)를 구비한다.The present invention relates to a multiple photo-imaging device that can form a plurality of sculptures using a single laser light source, the laser light source 10 for generating a laser beam (a), and a liquid photocurable resin is accommodated The laser permeable vessel 20 having a plurality of modeling platform surfaces, a beam splitter 30 for dividing a plurality of lasers generated from the laser light source 10, and the divided lasers are respectively disposed in the container 30. A plurality of rotatable scanning mirrors 40 reflecting to focus on the liquid level of the received photocurable resin, and an elevator 50 capable of moving the sculptures b formed by curing the photocurable resin in the container. do.

Description

다중 광조형 장치 및 방법Multi-optical molding device and method

본 발명은 광조형 장치에 관한 것으로, 특히, 하나의 레이저 광원을 사용하여 복수의 조형물을 형성할 수 있도록 한 다중 광조형 장치 및 방법에 관한 것이다.BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to light shaping devices and, more particularly, to multiple light shaping devices and methods that enable the formation of a plurality of sculptures using a single laser light source.

광조형 장치는 액상의 광경화성수지에 레이저를 주사하여 광경화성수지를 경화시키어 입체조형물을 조형하기 위한 것으로, 제1도에 도시된 바와 같이, 레이저를 발생하는 레이저광원(1)과, 용기(4)에 수용된 광경화성수지(5)의 액면(c)에 촛점을 형성하도록 상기 광원에서 발생된 레이저(a)를 반사하는 회전가능한 스캐닝미러(2)를 구비한다. 한편, 베이스(3)상의 용기(4)에는 광경화성수지(5)가 수용되어 있고, 상기 용기내의 광경화성수지가 경화되어 형성되는 조형물(b)을 상하이동할 수 있는 엘리베이터(6)가 설치되어 있다. 그리고, 제1도에서 (7)은 광셔터, (8)은 렌즈를 나타낸다.The photoforming apparatus is for molding a three-dimensional object by scanning a laser on a liquid photocurable resin to cure the photocurable resin. As shown in FIG. 1, a laser light source 1 for generating a laser and a container ( And a rotatable scanning mirror 2 for reflecting the laser a generated from the light source to focus on the liquid surface c of the photocurable resin 5 contained in 4). On the other hand, the container 4 on the base 3 contains a photocurable resin 5, and an elevator 6 capable of moving the molded object b formed by curing the photocurable resin in the container is installed. have. In Fig. 1, reference numeral 7 denotes a light shutter, and 8 denotes a lens.

레이저광원(1)에서 발생된 레이저는 광셔터(7), 렌지(8)을 거쳐 회전가능한 스캐닝미러(2)에 의해 용기(4)에 수용된 광경화성수지(5)의 액면에 촛점(c)을 형성하도록 반사된다. 따라서, 레이저에 의해 경화된 광경화성수지의 층은 일정두께만큼 하강되고, 그 위에 또 다른 광경화성수지층이 형성되는 과정이 수행되어 소정의 형상의 입체조형물이 형성된다.The laser generated from the laser light source 1 is focused on the liquid level of the photocurable resin 5 contained in the container 4 by the scanning mirror 2 which is rotatable via the optical shutter 7 and the stove 8. Reflected to form. Accordingly, the layer of the photocurable resin cured by the laser is lowered by a predetermined thickness, and a process of forming another photocurable resin layer thereon is performed to form a three-dimensional object having a predetermined shape.

이와 같이, 종래의 광조형 장치에서는 하나의 레이저광원과 하나의 스캐닝미러를 사용하므로, 한 번에 한 개의 조형만이 가능할 뿐이어서, 또 하나의 별도의 조형을 하려면 광조형 장치가 더 필요한 단점이 있었다.As such, in the conventional optical molding apparatus, since one laser light source and one scanning mirror are used, only one molding can be performed at a time, so that another molding may require a further optical molding apparatus. there was.

본 발명은 이러한 종래기술의 문제점을 해결하기 위한 것으로, 하나의 레이저광원을 사용하면서도 복수의 조형을 수행할 수 있는 다중 광조형 장치의 제공을 목적으로 한다.The present invention is to solve the problems of the prior art, it is an object of the present invention to provide a multi-optical molding apparatus that can perform a plurality of molding while using a single laser light source.

상기 목적을 달성하기 위하여, 본 발명의 다중 광조형 장치는, 레이저광원에서 발생된 레이저를 스캐닝미러에 의해 반사하여 광경화성수지에 레이저를 조사하여 조형물을 형성시키는 광조형 장치에 있어서, 상기 광경화성수지가 수용되고, 복수의 조형플랫폼면을 갖는 레이저투과성용기와, 상기 레이저광원에서 발생된 레이저를 복수개로 분할하는 빔스플리터와, 상기 분할된 레이저를 각각 상기 용기에 수용된 광경화성수지의 액면에 촛점을 형성하도록 반사하는 회전가능한 복수의 스캐닝미러를 구비한 것을 특징으로 한다.In order to achieve the above object, the multi-optical molding apparatus of the present invention, in the optical molding apparatus for reflecting a laser generated from a laser light source by a scanning mirror to form a sculpture by irradiating a laser to a photocurable resin, Resin is accommodated, the laser permeable container having a plurality of molding platform surface, a beam splitter for dividing the laser generated from the laser light source into a plurality, and the divided laser focuses on the liquid surface of the photocurable resin contained in the container, respectively And a plurality of rotatable scanning mirrors that reflect to form a lens.

제1도는 종래의 광조형 장치의 구성도.1 is a block diagram of a conventional optical shaping device.

제2도는 본 발명에 따른 다중 광조형 장치의 구성도.2 is a block diagram of a multiple light shaping device according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10 : 레이저광원 20 : 레이저투과성용기10: laser light source 20: laser permeable container

30 : 빔스플리터 40 : 스캐닝미러30: beam splitter 40: scanning mirror

50 : 엘리베이터50: elevator

이하, 첨부 도면에 의거하여 본 발명의 다중 광조형 장치 및 방법을 상세히 설명하면 다음과 같다.Hereinafter, the multi-optical molding apparatus and method of the present invention will be described in detail with reference to the accompanying drawings.

본 발명의 다중 광조형 장치는, 제2도에 도시된 바와 같이, 레이저빔(a)을 발생하는 레이저광원(10)과, 액상의 광경화성수지가 수용되고, 복수의 조형플랫폼면을 갖는 레이저투과성용기(20)와, 상기 레이저광원(10)에서 발생된 레이저를 복수개로 분할하는 빔스플리터(30)와, 상기 분할된 레이저를 각각 상기 용기(20)에 수용된 광경화성수지의 액면에 촛점을 형성하도록 반사하는 회전가능한 복수의 스캐닝미러(40)와, 상기 용기내의 광경화성수지가 경화되어 형성되는 조형물(b)을 상하이동할 수 있는 엘리베이터(50)를 구비한다.In the multiple light shaping device of the present invention, as shown in FIG. 2, a laser light source 10 for generating a laser beam a, a liquid photocurable resin, and a laser having a plurality of shaping platform surfaces The transparent container 20, a beam splitter 30 for dividing a plurality of lasers generated by the laser light source 10, and the divided lasers are focused on the liquid surface of the photocurable resin contained in the container 20, respectively. And a plurality of rotatable scanning mirrors 40 reflecting to form, and an elevator 50 capable of moving the sculptures b formed by curing the photocurable resin in the container.

그리고, 제2도에서 (61)은 렌즈, (62)(63)은 광셔텨를 나타낸다.In Fig. 2, reference numeral 61 denotes a lens, and 62 and 63 denote optical shutters.

이하, 본 발명의 다중 광조형 장치 및 방법의 작용을 설명하면 다음과 같다.Hereinafter, the operation of the multiple light shaping device and method of the present invention will be described.

레이저광원(10)에서 발생된 레이저는 렌지(61)을 거쳐 빔스플리터(30)를 거치면서 2개로 분리되고, 분리된 레이저는 회전가능한 각 스캐닝미러(40)에 의해 레이저투과성용기(20)에 수용된 액상의 광경화성수지의 액면에 각각 촛점을 형성하도록 반사되어, 상기 액상의 광경화성수지를 경화시킨다. 레이저에 의해 경화된 2개의 광경화성수지의 층은 엘리베이터(50)에 의해 일정두께만큼 하강되고, 그 위에 또 다른 광경화성수지층이 형성되는 과정이 수행되어 2개의 소정의 형상의 입체조형물이 형성된다.The laser generated from the laser light source 10 is divided into two while passing through the beam 61 and the beam splitter 30, and the separated laser is transmitted to the laser permeable container 20 by each rotatable scanning mirror 40. It is reflected to form a focus on the liquid level of the liquid photocurable resin contained therein, thereby curing the liquid photocurable resin. The two layers of the photocurable resin cured by the laser are lowered by the elevator 50 by a predetermined thickness, and a process of forming another photocurable resin layer thereon is performed to form three-dimensional shaped articles having two predetermined shapes. do.

이상, 설명한 바와 같이, 본 발명에 따르면, 하나의 광원에서 발생된 레이저를 복수개로 분리하여 조사하여 복수개의 동형 또는 이형의 조형물을 동시에 얻을 수 있다.As described above, according to the present invention, it is possible to obtain a plurality of homogeneous or heterogeneous shaped objects at the same time by separating and irradiating a plurality of lasers generated by one light source.

Claims (2)

레이저광원에서 발생된 레이저를 스캐닝미러에 의해 반사하여 액상의 광경화성수지에 레이저를 조사하여 조형물을 형성시키는 광조형 장치에 있어서, 상기 광경화성수지가 수용되고, 복수의 조형플랫폼면을 갖는 레이저투과성용기와, 상기 레이저광원에서 발생된 레이저를 복수개로 분할하는 빔스플리터와, 상기 분할된 레이저를 각각 상기 용기에 수용된 광경화성수지의 액면에 각각 촛점을 형성하도록 반사하는 회전가능한 복수의 스캐닝미러를 구비한 것을 특징으로 하는 다중 광조형 장치.An optical molding apparatus in which a laser generated from a laser light source is reflected by a scanning mirror to irradiate a liquid photocurable resin with a laser to form a shaped object, wherein the photocurable resin is accommodated and has a plurality of molding platform surfaces. A container, a beam splitter for dividing a plurality of lasers generated from the laser light source, and a plurality of rotatable scanning mirrors each reflecting the divided lasers to focus on the liquid surface of the photocurable resin contained in the container. Multi-optical molding device, characterized in that one. 레이저를 액상의 광경화성수지에 레이저를 조사하여 조형물을 형성시키는 광조형 방법에 있어서, 상기 광경화성수지를 소망하는 수만큼의 각각의 조형만에 수용하고, 상기 레이저를 상기 조형면의 수만큼 분리하여, 분리된 레이저를 각 조형면에 조사하여 광경화성수지를 경화하여 각각의 조형물을 동시에 형성하는 것을 특징으로 하는 다중 광조형 방법.A photoforming method in which a laser is irradiated to a liquid photocurable resin to form a sculpture, wherein the photocurable resin is accommodated in each desired molding number and the laser is separated by the number of molding surfaces. And irradiating the separated laser onto each molding surface to cure the photocurable resin to simultaneously form each sculpture.
KR1019970026515A 1997-06-23 1997-06-23 Multi photosolidification method and apparatus KR100236566B1 (en)

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Citations (1)

* Cited by examiner, † Cited by third party
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JPS60247515A (en) * 1984-05-23 1985-12-07 Oosakafu Optical shaping method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60247515A (en) * 1984-05-23 1985-12-07 Oosakafu Optical shaping method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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