JPH05162213A - Production equipment of three-dimensional structure - Google Patents
Production equipment of three-dimensional structureInfo
- Publication number
- JPH05162213A JPH05162213A JP3352272A JP35227291A JPH05162213A JP H05162213 A JPH05162213 A JP H05162213A JP 3352272 A JP3352272 A JP 3352272A JP 35227291 A JP35227291 A JP 35227291A JP H05162213 A JPH05162213 A JP H05162213A
- Authority
- JP
- Japan
- Prior art keywords
- ultraviolet
- display panel
- crystal display
- liquid crystal
- resin liquid
- 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.)
- Withdrawn
Links
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
- 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
-
- 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
- B29C2035/0827—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 UV radiation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、金型を用いず、かつ複
雑な切削加工を行わずに三次元構造物を作製する三次元
構造物の製造装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-dimensional structure manufacturing apparatus for manufacturing a three-dimensional structure without using a die and without complicated cutting.
【０００２】[0002]
【従来の技術】従来、三次元構造物を金型を使用したり
複雑な切削加工をすることなく作製するために、図５に
示す様に液状の光硬化樹脂３５をレーザー光線にて凝固
させる加工法が知られている。上記加工法は、三次元構
造物を平面的にスライスした等高線データを作成し、こ
の二次元データに基づき、Ｘ−Ｙ走査装置３２によりレ
ーザー光線を走査するとともに、必要に応じてレーザー
光線の照射をＯＮ／ＯＦＦさせることにより光硬化樹脂
３５を凝固させる。この時、Ｘ−Ｙ走査方法としては、
ガルバノミラーを用いた方式，レーザー光線を光ファイ
バー３１に導きその先端をＸ−Ｙ移動装置にて移動させ
る方式およびレーザー発振器本体３０をＸ−Ｙ移動装置
３２にて移動させる方式が主である。そして、凝固され
た光硬化樹脂３５の上に次のスライスした等高線データ
を基に上記と同様に光硬化樹脂３５を凝固させ積層させ
る。以上の手順を繰り返すことにより、三次元構造物を
作製しようとするものである。2. Description of the Related Art Conventionally, in order to manufacture a three-dimensional structure without using a mold or complicated cutting, a process of solidifying a liquid photocurable resin 35 with a laser beam as shown in FIG. The law is known. In the processing method, contour line data obtained by planely slicing a three-dimensional structure is created, and based on the two-dimensional data, the XY scanning device 32 scans the laser beam and, when necessary, turns on the laser beam irradiation. By turning on / off, the photocurable resin 35 is solidified. At this time, as an XY scanning method,
A method using a galvanometer mirror, a method in which a laser beam is guided to an optical fiber 31 and its tip is moved by an XY moving device, and a method in which the laser oscillator main body 30 is moved by an XY moving device 32 are mainly used. Then, based on the next sliced contour line data, the photocurable resin 35 is coagulated and laminated on the coagulated photocurable resin 35 in the same manner as above. By repeating the above procedure, a three-dimensional structure is produced.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、前記従
来の加工法においては、レーザー光線をＸ−Ｙ方向に走
査させ、尚かつ光硬化樹脂を凝固させるためにその走査
速度は低速であることが要求され、そのために加工時間
が長くなってしまうという欠点がある。また、Ｘ−Ｙ走
査装置を必要とするため装置全体が非常に大きく、高価
なものとなってしまうとともに、Ｘ−Ｙ走査装置は移動
部が存在するため部品の消耗，劣化による走査精度およ
び信頼性の低下が発生するという欠点がある。さらに、
可動部の人体への接触による危険性があるという欠点を
有していた。However, in the above-mentioned conventional processing method, the scanning speed is required to be low in order to scan the laser beam in the XY direction and to solidify the photocurable resin. However, there is a disadvantage in that the processing time becomes long. Further, since the XY scanning device is required, the entire device becomes very large and expensive, and the moving accuracy of the XY scanning device causes the scanning accuracy and reliability due to the consumption and deterioration of parts. There is a drawback that the deterioration of sex occurs. further,
It has a drawback that there is a danger of the movable part coming into contact with the human body.
【０００４】因って、本発明は前記加工法における欠点
に鑑みて開発されもので、小型，低価格でありながら、
尚かつ短時間加工が可能であり、可動部をなくすことに
より高精度・高信頼性・安全な三次元構造物の製造装置
を提供しようとするものである。Therefore, the present invention was developed in view of the drawbacks in the above-mentioned processing method, and although it is small in size and low in price,
Further, it is intended to provide a highly accurate, highly reliable and safe three-dimensional structure manufacturing apparatus capable of machining in a short time and eliminating a moving part.
【０００５】[0005]
【課題を解決するための手段】本発明は、紫外線光源
と、紫外線の透過部・遮光部を可変的に生成する手段
と、三次元ＣＡＤデータから等高線データを算出して前
記透過部・遮光部を可変的に生成する手段を制御するコ
ントローラとから構成したものである。According to the present invention, an ultraviolet light source, a means for variably generating an ultraviolet light transmitting portion and a light shielding portion, and contour line data calculated from three-dimensional CAD data are used for the transmitting portion and the light shielding portion. And a controller for controlling the means for variably generating the.
【０００６】[0006]
【作用】本発明では、紫外線硬化樹脂を硬化させるため
の光線を可動部による走査作業をすることなく照射する
ことができる。According to the present invention, the light beam for curing the ultraviolet curable resin can be irradiated without performing the scanning operation by the movable portion.
【０００７】[0007]
【実施例１】図１〜図３は本実施例を示し、図１は製造
装置の概略構成図、図２は透過型液晶ディスプレイパネ
ルの平面図、図３は生成された三次元構造物の斜視図で
ある。紫外線光源１から照射される光路上に光束１ａが
平行光となるようにコリメートレンズ２を設け、コリメ
ートレンズ２からの平行光束２ａの進行方向に透過型液
晶ディスプレイパネル３を配置する。透過型液晶ディス
プレイパネル３を通過した光束３ａの照射光には、紫外
線硬化樹脂液槽４が設置されており、紫外線硬化樹脂液
槽４の内部には紫外線硬化樹脂液５が充填されている。
また、紫外線硬化樹脂液槽４の内部にはテーブル６が設
置されており、テーブル６はテーブル支えアーム７を介
してテーブル昇降装置８により上下動できるようになっ
ている。コントローラ１０は三次元ＣＡＤデータから等
高線データを算出すると共にこれらの制御の全てを司っ
ている。Embodiment 1 FIGS. 1 to 3 show the present embodiment, FIG. 1 is a schematic configuration diagram of a manufacturing apparatus, FIG. 2 is a plan view of a transmissive liquid crystal display panel, and FIG. 3 is a three-dimensional structure produced. It is a perspective view. A collimator lens 2 is provided on the optical path emitted from the ultraviolet light source 1 so that the light flux 1a becomes parallel light, and a transmissive liquid crystal display panel 3 is arranged in the traveling direction of the parallel light flux 2a from the collimator lens 2. An ultraviolet curable resin liquid tank 4 is installed in the irradiation light of the light flux 3 a that has passed through the transmissive liquid crystal display panel 3, and the ultraviolet curable resin liquid tank 5 is filled with the ultraviolet curable resin liquid 5.
A table 6 is installed inside the ultraviolet curable resin liquid tank 4, and the table 6 can be moved up and down by a table elevating device 8 via a table support arm 7. The controller 10 calculates contour line data from three-dimensional CAD data and controls all of these controls.
【０００８】図２に示す透過型液晶ディスプレイパネル
３は、画素１１の集合により形成されており、それぞれ
の画素１１単位で透過・遮光のシャッター的動作が可能
であり、透過・遮光は前記コントローラ１０により制御
される。全ての画素１１は、コントローラ１０からの信
号がない場合は通常遮光状態にあり、誤って紫外線硬化
樹脂液５に紫外線を照射することのないようになってい
る。また、この透過型液晶ディスプレイパネル３は、明
暗の変化の著しいＴＮモード表示方式のものが好まし
い。そして、コントローラ１０からの信号により、透過
型液晶ディスプレイパネル３には遮光部１２と透過部１
３とが生成され、この時、平行光束２ａは、透過部１３
を通過した３ａだけが紫外線硬化樹脂液５に照射される
こととなる。The transmissive liquid crystal display panel 3 shown in FIG. 2 is formed of a set of pixels 11, and each pixel 11 can perform a shutter-like operation of transmission / shading. Controlled by. All the pixels 11 are normally in a light-shielding state when there is no signal from the controller 10, so that the ultraviolet curable resin liquid 5 is not accidentally irradiated with ultraviolet light. Further, it is preferable that the transmissive liquid crystal display panel 3 is of a TN mode display system in which the change in brightness is remarkable. Then, in response to a signal from the controller 10, the light-shielding portion 12 and the light-transmitting portion 1 are provided in the transmission liquid crystal display panel 3.
3 are generated, and at this time, the parallel light beam 2a is transmitted by the transmitting portion 13
Only the liquid 3a that has passed through is irradiated onto the ultraviolet curable resin liquid 5.
【０００９】以上の構成から成る製造装置は、まずコン
トローラ１０が三次元ＣＡＤデータを指定されたピッチ
にて等高線状にスライスし、最下段部の二次元データを
算出する。そして、この二次元データに基づき透過型液
晶ディスプレイパネル３に対して制御信号を送信する。
透過型液晶ディスプレイパネル３は前述したように透過
部１３と遮光部１２とを前記二次元データと等価のパタ
ーンに生成する。さらに、コントローラ１０はテーブル
６が紫外線硬化樹脂液５の液面よりも上記指定ピッチだ
け下降した位置に位置づけされるようテーブル昇降装置
８を駆動する。これにより、テーブル６の上部には指定
ピッチ厚の紫外線硬化樹脂液５が張られることになる。In the manufacturing apparatus having the above-described structure, the controller 10 first slices the three-dimensional CAD data into contour lines at a designated pitch, and calculates the two-dimensional data of the lowermost stage. Then, the control signal is transmitted to the transmissive liquid crystal display panel 3 based on the two-dimensional data.
The transmissive liquid crystal display panel 3 generates the transmissive portion 13 and the light shielding portion 12 in a pattern equivalent to the two-dimensional data, as described above. Further, the controller 10 drives the table elevating device 8 so that the table 6 is positioned at a position lower than the liquid surface of the ultraviolet curable resin liquid 5 by the designated pitch. As a result, the ultraviolet curable resin liquid 5 having the specified pitch is spread on the table 6.
【００１０】次に、紫外線光源１から照射された光束１
ａはコリメートレンズ２により平行光束２ａとなる。こ
の場合、光束を平行光とする目的は、透過型液晶ディス
プレイパネル３を光束が通過する際に液晶の特性上通過
角度により透過率が変化するため、中心部と周辺部の透
過率を一定に保つためである。平行光束２ａは、透過型
液晶ディスプレイパネル３の透過部１３と遮光部１２と
により通過・遮光が決定される。すなわち、前記二次元
データに等価な光束３ａとなり、光束３ａはテーブル６
上の紫外線硬化樹脂液５に照射される。照射時間はピッ
チ厚，紫外線硬化樹脂液５の特性等により可変であり、
照射時間の制御はコントローラ１０が司る。Next, the luminous flux 1 emitted from the ultraviolet light source 1
The collimator lens 2 forms a parallel light beam 2a. In this case, the purpose of making the light flux parallel is that the light flux changes through the transmission type liquid crystal display panel 3 due to the passage angle due to the characteristics of the liquid crystal, so that the light transmittance of the central portion and the peripheral portion is kept constant. This is to keep it. The transmission / blocking of the parallel light flux 2a is determined by the transmissive part 13 and the light blocking part 12 of the transmissive liquid crystal display panel 3. That is, the luminous flux 3a equivalent to the two-dimensional data is obtained, and the luminous flux 3a is stored in the table 6
The ultraviolet curable resin liquid 5 above is irradiated. The irradiation time can be changed depending on the pitch thickness, the characteristics of the ultraviolet curable resin liquid 5, etc.
The controller 10 controls the irradiation time.
【００１１】そして、紫外線硬化樹脂液５は指定ピッチ
厚にて二次元データと等価な形で凝固し、凝固層９が生
成される。この間、コントローラ１０は次の一段上段の
等高線状二次元データの算出を行い待機状態にある。コ
ントローラ１０は照射終了後、テーブル６を指定ピッチ
下降させ透過型液晶ディスプレイパネル３に対して次の
二次元データを送信する。以上の動作を必要回数だけ繰
り返すことにより、凝固層９は次々に積層され、図３に
示す三次元構造物が生成される。Then, the ultraviolet curable resin liquid 5 is solidified in a form equivalent to the two-dimensional data at a designated pitch thickness, and a solidified layer 9 is formed. During this period, the controller 10 is in the standby state by calculating the next upper-level contour linear two-dimensional data. After the irradiation, the controller 10 lowers the table 6 by a designated pitch and transmits the following two-dimensional data to the transmissive liquid crystal display panel 3. By repeating the above operation a required number of times, the solidified layers 9 are laminated one after another, and the three-dimensional structure shown in FIG. 3 is generated.
【００１２】本実施例によれば、装置全体のコンパクト
化が図れるとともに加工時間の短縮が図れる。According to this embodiment, the entire apparatus can be made compact and the processing time can be shortened.
【００１３】[0013]
【実施例２】図４は本実施例を示す概略構成図である。
本実施例は、前記実施例１におけるコリメートレンズ
２，透過型液晶ディスプレイパネル３およびコントロー
ラ１０を廃止し、代わりにインクジェットプリンター２
１，透明フィルム２２，拡大縮小光学系２３およびコン
トローラ２４にて構成した点が異なり、他の構成は同一
な構成部分から成るもので、同一構成部分には同一番号
を付してその説明を省略する。Second Embodiment FIG. 4 is a schematic configuration diagram showing this embodiment.
In this embodiment, the collimator lens 2, the transmissive liquid crystal display panel 3 and the controller 10 in the first embodiment are eliminated, and the inkjet printer 2 is used instead.
1, the transparent film 22, the enlargement / reduction optical system 23, and the controller 24 are different, and the other configurations are composed of the same constituent parts, and the same constituent parts are designated by the same reference numerals and the description thereof is omitted. To do.
【００１４】紫外線光源１から照射される光束１ａの光
路上には、インクジェットプリンター２１により遮光・
透過パターンが印刷された透明フィルム２２が設置さ
れ、更にその先の光路上には拡大縮小光学系２３が設置
されている。インクジェットプリンター２１はコントロ
ーラ２４により制御される。The ink jet printer 21 shields the light beam 1a emitted from the ultraviolet light source 1 from the light path.
A transparent film 22 on which a transmission pattern is printed is installed, and an enlarging / reducing optical system 23 is installed on the optical path beyond that. The inkjet printer 21 is controlled by the controller 24.
【００１５】以上の構成から成る製造装置は、まず、コ
ントローラ２４が前記実施例１と同様に二次元データを
算出し、テーブル６を位置づける。そして、算出した二
次元データをインクジェットプリンター２１に送信す
る。インクジェットプリンター２１はデータに基づき透
明フィルムに印刷を行う。その時、インクが塗布された
部分は遮光部となり、塗布されなかった部分は透過部と
なる。その結果、二次元データに基づくパターンか生成
される。In the manufacturing apparatus having the above structure, the controller 24 first calculates the two-dimensional data as in the first embodiment, and positions the table 6. Then, the calculated two-dimensional data is transmitted to the inkjet printer 21. The inkjet printer 21 prints on a transparent film based on the data. At that time, the portion to which the ink is applied becomes the light-shielding portion, and the portion not to be applied becomes the transmitting portion. As a result, a pattern based on the two-dimensional data is generated.
【００１６】紫外線光源１から照射された光束１ａは、
透明フィルム２２を通過後、二次元データに相似した光
束に変形し拡大縮小光学系２３に入光する。拡大縮小光
学系２３は、入光した光束をコントローラ２４からの指
令により拡大縮小させることが可能である。拡大縮小光
学系２３から出射された光束２３ａは前記実施例１と同
様に紫外線硬化樹脂液５を凝固させる。次に、コントロ
ーラ２４は、次の二次元データをインクジェットプリン
ター２１に送信するとともに、テーブル６を１ピッチ下
降させる。インクジェットプリンター２１は、前回の印
刷済みフィルムを廃棄すると同時に、新しいデータに基
づき印刷を行い光束１ａの光路上に配置する。そして、
紫外線の照射を行う。以上の動作を必要回数だけ繰り返
すことにより、凝固層９は次々に積層されて三次元構造
物が生成される。The light beam 1a emitted from the ultraviolet light source 1 is
After passing through the transparent film 22, it is transformed into a light beam similar to two-dimensional data and enters the enlargement / reduction optical system 23. The enlarging / reducing optical system 23 is capable of enlarging / reducing the incident light beam according to a command from the controller 24. The light beam 23a emitted from the enlargement / reduction optical system 23 solidifies the ultraviolet curable resin liquid 5 as in the first embodiment. Next, the controller 24 sends the next two-dimensional data to the inkjet printer 21 and lowers the table 6 by one pitch. The inkjet printer 21 discards the previously printed film and at the same time prints it based on new data and arranges it on the optical path of the light beam 1a. And
Irradiate with ultraviolet rays. By repeating the above operation a required number of times, the solidified layers 9 are laminated one after another to generate a three-dimensional structure.
【００１７】本実施例によれば前記実施例１と同様な効
果が得られる。According to this embodiment, the same effect as that of the first embodiment can be obtained.
【００１８】[0018]
【発明の効果】以上説明した様に、本発明に係る三次元
構造物の製造装置によれば、複雑な駆動装置及び機構を
使用することなく二次元データに基づくパターンにて紫
外線の照射が可能であるように構成されているので、駆
動系移動に伴う時間のロスが発生しないため短時間にて
加工が出来る。また、駆動系が存在しないため装置全体
が非常にコンパクトに構成できる。さらに、駆動系の劣
化による精度低下が発生しないため信頼性が向上する。
また、駆動系の可動部が人体に接触する危険性がないた
め安全である等の種々の効果を有する。As described above, according to the three-dimensional structure manufacturing apparatus of the present invention, it is possible to irradiate ultraviolet rays in a pattern based on two-dimensional data without using a complicated driving device and mechanism. Since it is configured as described above, there is no time loss due to the movement of the drive system, so that machining can be performed in a short time. Moreover, since there is no drive system, the entire apparatus can be made very compact. Further, the reliability is improved because the accuracy does not decrease due to the deterioration of the drive system.
Further, since there is no risk that the movable part of the drive system comes into contact with the human body, there are various effects such as safety.
【図１】実施例１を示す概略構成図である。FIG. 1 is a schematic configuration diagram illustrating a first embodiment.
【図２】実施例１を示す平面図である。FIG. 2 is a plan view showing the first embodiment.
【図３】実施例１を示す斜視図である。FIG. 3 is a perspective view showing a first embodiment.
【図４】実施例２を示す概略構成図である。FIG. 4 is a schematic configuration diagram showing a second embodiment.
【図５】従来例を示す概略構成図である。FIG. 5 is a schematic configuration diagram showing a conventional example.
１ 紫外線光源 ２ コリメートレンズ ３ 透過型液晶ディスプレイパネル ４ 紫外線硬化樹脂液槽 ５ 紫外線硬化樹脂液 ６ テーブル ７ テーブル支えアーム ８ テーブル昇降装置 ９ 凝固層 １０ コントローラ 1 Ultraviolet Light Source 2 Collimating Lens 3 Transmissive Liquid Crystal Display Panel 4 Ultraviolet Curing Resin Liquid Tank 5 Ultraviolet Curing Resin Liquid 6 Table 7 Table Support Arm 8 Table Lifting Device 9 Coagulation Layer 10 Controller
Claims (1)
を可変的に生成する手段と、三次元ＣＡＤデータから等
高線データを算出して前記透過部・遮光部を可変的に生
成する手段を制御するコントローラとから構成したこと
を特徴とする三次元構造物の製造装置。1. An ultraviolet light source, means for variably generating an ultraviolet ray transmitting portion / light shielding portion, and means for variably generating the transmitting portion / light shielding portion by calculating contour line data from three-dimensional CAD data. An apparatus for manufacturing a three-dimensional structure, comprising a controller for controlling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3352272A JPH05162213A (en) | 1991-12-13 | 1991-12-13 | Production equipment of three-dimensional structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3352272A JPH05162213A (en) | 1991-12-13 | 1991-12-13 | Production equipment of three-dimensional structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05162213A true JPH05162213A (en) | 1993-06-29 |
Family
ID=18422928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3352272A Withdrawn JPH05162213A (en) | 1991-12-13 | 1991-12-13 | Production equipment of three-dimensional structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05162213A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722745A (en) * | 2013-12-29 | 2014-04-16 | 北京工业大学 | Quick resin forming method based on LCD (liquid crystal display) selective regional light transmission principle |
| WO2018117351A1 (en) * | 2016-12-23 | 2018-06-28 | 주식회사 레이 | Lcd type 3d printer |
| CN109016499A (en) * | 2018-07-17 | 2018-12-18 | 张梦如 | A kind of 3D printing system based on Cloud Server |
| US10421217B2 (en) | 2015-05-15 | 2019-09-24 | Boe Technology Group Co., Ltd. | 3D printing device and imaging system thereof |
-
1991
- 1991-12-13 JP JP3352272A patent/JPH05162213A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722745A (en) * | 2013-12-29 | 2014-04-16 | 北京工业大学 | Quick resin forming method based on LCD (liquid crystal display) selective regional light transmission principle |
| US10421217B2 (en) | 2015-05-15 | 2019-09-24 | Boe Technology Group Co., Ltd. | 3D printing device and imaging system thereof |
| WO2018117351A1 (en) * | 2016-12-23 | 2018-06-28 | 주식회사 레이 | Lcd type 3d printer |
| CN109016499A (en) * | 2018-07-17 | 2018-12-18 | 张梦如 | A kind of 3D printing system based on Cloud Server |
| CN109016499B (en) * | 2018-07-17 | 2020-09-11 | 新沂市锡沂高新材料产业技术研究院有限公司 | 3D printing system based on cloud server |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19990311 |