JPH08244118A - Method and apparatus for forming optical shaped product - Google Patents
Method and apparatus for forming optical shaped productInfo
- Publication number
- JPH08244118A JPH08244118A JP7052358A JP5235895A JPH08244118A JP H08244118 A JPH08244118 A JP H08244118A JP 7052358 A JP7052358 A JP 7052358A JP 5235895 A JP5235895 A JP 5235895A JP H08244118 A JPH08244118 A JP H08244118A
- Authority
- JP
- Japan
- Prior art keywords
- cross
- sectional shape
- product
- forming
- cured
- 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- Withdrawn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
Landscapes
- 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、光硬化性樹脂を用いた
光造形品の形成方法および装置に係り、特にレーザ光を
スキャニングして一断面形状に硬化した後に硬化層の輪
郭をトリミングをして高精度の光造形品と表面が滑らか
な光造形品を得ることができる光造形品の形成方法およ
び装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for forming a stereolithography product using a photocurable resin, and in particular, it scans a laser beam to cure it into one cross-sectional shape and then trims the outline of the cured layer. The present invention relates to a method and an apparatus for forming a stereolithography product that can obtain a high-precision stereolithography product and a stereolithography product having a smooth surface.
【０００２】[0002]
【従来の技術】光硬化性樹脂を用いて三次元形状を成形
する方法は、複雑な形状を簡単かつ正確に形成すること
ができる方法として、製造等に利用することが考えられ
ており、例えば特開昭６２−３５９６６号公報等に開示
されている。図９は、従来の一般的な光硬化性樹脂を用
いた三次元形状の形成方法の一例を示しており、その成
形装置は以下のように構成されている。図９において、
１は光硬化性樹脂２を収容したタンクで、タンク１内に
は駆動装置３によって昇降操作される成形台４が設けら
れている。タンク１の上方にはレーザ光励起装置５で励
起されたレーザ光６をスキャニングデータに従ってスキ
ャンし、レーザ光６をタンク１内に導くレーザ光スキャ
ニング装置７が設けられている。レーザ光スキャニング
装置７の下方には、タンク１内に導かれたレーザ光８を
光硬化性樹脂２の液面２ａ上に集光するための集光レン
ズ９が設けられている。上記駆動装置３およびレーザ光
スキャニング装置７には、造形しようとする製品の断面
形状データから成形台駆動データおよびスキャニングデ
ータを作成するＣＡＤデータ処理装置１０が接続されて
いる。2. Description of the Related Art A method for molding a three-dimensional shape using a photocurable resin is considered to be used for manufacturing as a method capable of forming a complicated shape easily and accurately. It is disclosed in JP-A-62-35966. FIG. 9 shows an example of a conventional method for forming a three-dimensional shape using a general photo-curable resin, and the molding apparatus is configured as follows. In FIG.
Reference numeral 1 denotes a tank containing a photo-curable resin 2, and a molding table 4 that is operated to move up and down by a drive device 3 is provided in the tank 1. A laser light scanning device 7 is provided above the tank 1 to scan the laser light 6 excited by the laser light excitation device 5 in accordance with the scanning data and guide the laser light 6 into the tank 1. A condenser lens 9 for condensing the laser light 8 guided into the tank 1 onto the liquid surface 2a of the photocurable resin 2 is provided below the laser light scanning device 7. The drive unit 3 and the laser beam scanning unit 7 are connected to a CAD data processing unit 10 that creates molding table drive data and scanning data from the cross-sectional shape data of the product to be modeled.
【０００３】上記成形装置により製品を作成する際、成
形台４を光硬化性樹脂２の液面２ａの下に位置させ、Ｃ
ＡＤデータ処理装置１０で作成したスキャニングデータ
をスキャニング装置７によりレーザ光励起装置５からの
レーザ光６をスキャンし、レーザ光８を集光レンズ９で
液面２ａに集光して光硬化性樹脂２を成形台４上で製品
の断面形状に合わせて硬化させる。この断面形状につい
て樹脂の硬化が完了した後、成形台駆動データに従って
成形台４を駆動装置３により微小量降下させるととも
に、スキャニングデータに従ってレーザ光８をスキャン
し、上記硬化させた断面形状の上に、新たな断面形状の
硬化樹脂を連続して形成する。そして、成形台４の降下
とレーザ光８のスキャニングとを繰り返して行い、所望
の断面形状を有する光造形品１１を作成する。When a product is produced by the above-mentioned molding apparatus, the molding table 4 is positioned below the liquid surface 2a of the photocurable resin 2, and C
The scanning data created by the AD data processing device 10 is scanned by the scanning device 7 with the laser light 6 from the laser light excitation device 5, and the laser light 8 is condensed on the liquid surface 2a by the condensing lens 9 to form the photocurable resin 2. Is cured on the molding table 4 according to the sectional shape of the product. After the curing of the resin for this cross-sectional shape is completed, the molding table 4 is lowered by the driving device 3 in accordance with the molding table drive data, and the laser beam 8 is scanned in accordance with the scanning data, and the cured cross-sectional shape is formed. A cured resin having a new cross-sectional shape is continuously formed. Then, the descending of the molding table 4 and the scanning of the laser beam 8 are repeatedly performed to create the stereolithography product 11 having a desired cross-sectional shape.
【０００４】上記成形装置において、高精度の造形品を
作成する場合、主にレーザ光照射量と光硬化性樹脂の硬
化反応の関係からレーザ光の照射中心位置に対する補正
量を求めて精度を出していた。図１０はレーザ光を照射
したときの光硬化性樹脂の硬化領域を示しており、７は
希望形状である。７ａはレーザ光の照射中心位置を希望
形状７に位置させたときの硬化領域である。７ｂはレー
ザ光の照射領域の外縁と希望形状７とを一致させるよう
にＸＹ方向に補正を施した際の硬化領域であり、このと
き希望形状７からはハッチングを施して示す７ｂ’の領
域がはみ出す。さらに７ｂ’の領域が希望形状７からは
み出すのを解決するために、特開平４−１６９２２１号
公報では、７ｃに示す硬化領域を得るようにレーザ光の
中心位置を三次元的にオフセットして、硬化領域７ｃの
輪郭線が希望形状７と一致するさせるようにして造形物
を作成する方法を提案している。In the above-mentioned molding apparatus, in the case of producing a highly accurate shaped article, the accuracy is obtained by obtaining the correction amount for the irradiation center position of the laser light mainly from the relationship between the irradiation amount of the laser light and the curing reaction of the photocurable resin. Was there. FIG. 10 shows a cured region of the photocurable resin when irradiated with laser light, and 7 is a desired shape. Reference numeral 7a is a hardening region when the irradiation center position of the laser beam is located at the desired shape 7. Reference numeral 7b denotes a hardening area when the outer edge of the laser light irradiation area and the desired shape 7 are corrected so as to match with each other in the XY directions. At this time, the area 7b 'shown by hatching is shown from the desired shape 7. Stick out. Further, in order to solve the problem that the area of 7b 'protrudes from the desired shape 7, in JP-A-4-169221, the center position of the laser beam is three-dimensionally offset so as to obtain the cured area shown in 7c, A method is proposed in which the contour of the cured region 7c matches the desired shape 7 to create a modeled object.
【０００５】[0005]
【発明が解決しようとする課題】しかし、上記従来技術
にあって、寸法精度が決まるレーザ光の照射位置はレー
ザ光照射量と光硬化性樹脂の収縮量と硬化形状の関係を
補正して決定するが、温度、湿度、振動などの諸条件が
光硬化性樹脂に微妙に影響を与え、狙い通りの寸法精度
が得られないといった問題がある。また、硬化層を積み
重ねることによって外観に段差が生じてしまう。However, in the above-mentioned conventional technique, the irradiation position of the laser beam, which determines the dimensional accuracy, is determined by correcting the relationship between the laser beam irradiation amount, the shrinkage amount of the photocurable resin, and the cured shape. However, there are problems that various conditions such as temperature, humidity, and vibration subtly affect the photocurable resin, and the desired dimensional accuracy cannot be obtained. Further, stacking the hardened layers causes a step difference in appearance.
【０００６】本発明は、上記従来技術の問題点に鑑みて
なされたもので、硬化された硬化層の輪郭を自動的にト
リミングし、形状の精度向上と表面を平滑化し得る光造
形品の形成方法および装置を提供することを目的とす
る。The present invention has been made in view of the above-mentioned problems of the prior art, and forms a stereolithographic product capable of automatically trimming the outline of a hardened cured layer to improve the accuracy of shape and smooth the surface. It is an object to provide a method and a device.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するため
に、本発明の請求項１に記載した光造形品の形成方法
は、コンピュータ援用設計システムで設計された製品の
全断面形状のデータから、その一断面形状のデータによ
り、レーザ光をスキャンしてタンク内に収容した光硬化
性樹脂を上記一断面形状に硬化した後、上記一断面形状
と直近する断面形状のデータに従って上記光硬化性樹脂
を硬化した断面形状を上記一断面形状に硬化した樹脂上
に順次連続して形成することにより、上記製品の光造形
品を作成する光造形方法において、一断面形状に硬化し
た直後に、該硬化層の輪郭のトリミングを併設したトリ
ミング手段によって自動的に行うように構成した。In order to achieve the above object, the method for forming a stereolithography product according to claim 1 of the present invention is based on data of all cross-sectional shapes of a product designed by a computer-aided design system. According to the data of the one cross-section shape, the photocurable resin stored in the tank by scanning the laser light is cured to the one cross-section shape, and then the photocurability is obtained according to the data of the cross-section shape closest to the one cross-section shape. In a stereolithography method for creating a stereolithography product of the product by successively forming a cured resin cross-section shape on the resin cured to the one cross-section shape, immediately after curing to one cross-section shape, The contour of the hardened layer is trimmed automatically by an additional trimming means.
【０００８】本発明の請求項２に記載した光造形品の形
成装置は、光硬化性樹脂液を収容するタンクと、タンク
内で昇降自在な成形台と、タンクの上方から液面にレー
ザ光を照射する光照射機構とを備えた光造形品の形成装
置において、コンピュータ援用設計システムで設計され
た製品の全断面形状のデータをもとに硬化一層分をトリ
ミングする加工装置と、該硬化一層分の断面形状をもと
に加工装置を制御する制御装置を備えて構成した。According to a second aspect of the present invention, there is provided a device for forming a stereolithography product, comprising a tank containing a photocurable resin liquid, a molding table movable up and down in the tank, and a laser beam from above the tank to the liquid surface. In an apparatus for forming a stereolithography product, which includes a light irradiation mechanism for irradiating a light, a processing device for trimming a cured one layer based on the data of the entire cross-sectional shape of the product designed by a computer-aided design system, and the cured one The control device controls the processing device based on the cross-sectional shape of the minute portion.
【０００９】本発明の請求項３に記載した光造形品の形
成装置は、請求項２の構成にあって、前記加工装置を５
軸方向に移動自在とし、硬化層と非接触で加工し得るよ
うに構成した。According to a third aspect of the present invention, there is provided an apparatus for forming a stereolithographic article, which has the structure of the second aspect.
It is configured to be movable in the axial direction and to be processed without contact with the hardened layer.
【００１０】本発明の請求項４に記載した光造形品の形
成装置は、請求項２の構成にあって、前記加工装置をＺ
軸方向を除いた４軸方向に移動自在とし、Ｚ軸方向は成
形台の移動により行うように構成した。According to a fourth aspect of the present invention, there is provided an apparatus for forming a stereolithography product, which has the structure of the second aspect.
It is configured to be movable in four axial directions excluding the axial direction and to be moved in the Z axis direction by moving the molding table.
【００１１】[0011]
【作用】上記請求項１の構成によれば、硬化された硬化
層の輪郭を断面形状のデータから、自動的にトリミング
することによって、光造形品の形状精度が高められる。
また、表面を平滑化することができる。According to the structure of the first aspect, the contour accuracy of the cured layer is automatically trimmed from the cross-sectional shape data, whereby the shape accuracy of the stereolithography product is improved.
In addition, the surface can be smoothed.
【００１２】また、請求項２，３，４の構成によれば、
加工装置は硬化層厚分だけのトリミングを行い、同時に
傾きを持たせてトリミングもできる。制御装置はトリミ
ングする断面形状データと、１つ前の断面形状データか
ら、加工軌跡と傾斜角度を自動的に設定する。Further, according to the constitutions of claims 2, 3 and 4,
The processing device trims only the thickness of the hardened layer, and at the same time, it is also possible to trim by trimming. The control device automatically sets the machining trajectory and the inclination angle from the cross-sectional shape data to be trimmed and the previous cross-sectional shape data.
【００１３】[0013]
［実施例１］図１は、本発明に係る光造形品の形成装置
の実施例１を示す概略構成図である。なお、図９に示し
た形成装置と同様な構成部分は同一番号を付して、その
説明を省略する。[Embodiment 1] FIG. 1 is a schematic configuration diagram showing Embodiment 1 of an apparatus for forming a stereolithography product according to the present invention. The same components as those of the forming apparatus shown in FIG. 9 are designated by the same reference numerals, and the description thereof will be omitted.
【００１４】図において、１３は硬化後の硬化層の輪郭
をトリミングするための加工装置で、レーザ光１２が照
射可能となっている。レーザ光１２はレーザ光８とは異
なる波長であり、光硬化性樹脂２には反応しない。上記
加工装置１３はアーム式の駆動部１４に取り付けられて
おり、タンク１内の光硬化性樹脂２の上方に位置するよ
うになっている。この加工装置１３は５軸加工、すなわ
ちＸ軸、Ｙ軸、Ｚ軸、Ｃ軸、Ｖ軸動作を行い、レーザ加
工を行う。ここで、成形台４の昇降方向をＺ軸、成形台
４の前後方向をＸ軸、成形台４の左右方向をＹ軸、Ｚ軸
と回転方向をＣ軸、Ｚ軸の傾斜方向をＶ軸とする。１５
はＣＡＤデータ処理装置１０のデータをもとに加工装置
１３の制御を行う制御装置である。In the figure, 13 is a processing device for trimming the outline of the cured layer after curing, which can be irradiated with the laser beam 12. The laser light 12 has a wavelength different from that of the laser light 8 and does not react with the photocurable resin 2. The processing device 13 is attached to an arm type driving unit 14, and is located above the photocurable resin 2 in the tank 1. The processing apparatus 13 performs 5-axis processing, that is, X-axis, Y-axis, Z-axis, C-axis, and V-axis operations to perform laser processing. Here, the ascending / descending direction of the molding table 4 is the Z-axis, the front-back direction of the molding table 4 is the X-axis, the left-right direction of the molding table 4 is the Y-axis, the Z-axis and the rotation direction are the C-axis, and the inclination direction of the Z-axis is the V-axis. And 15
Is a control device that controls the processing device 13 based on the data of the CAD data processing device 10.
【００１５】次に、上記構成からなる形成装置を用いた
光造形品の形成方法の実施例を図１〜図３を用いて説明
する。本実施例では、加工装置１３のレーザ光１２は固
体レーザ、気体レーザ等を用いることができ、このＹＡ
Ｇレーザを用いる。Next, an embodiment of a method for forming a stereolithography product using the forming apparatus having the above-mentioned structure will be described with reference to FIGS. In the present embodiment, the laser light 12 of the processing device 13 can use a solid laser, a gas laser, or the like.
G laser is used.
【００１６】図２において、まず、図２（ａ）に示すよ
うに、成形台４上面を液面２ａに位置合わせを行って、
造形準備完了となる。In FIG. 2, first, as shown in FIG. 2A, the upper surface of the molding table 4 is aligned with the liquid surface 2a,
The preparation for modeling is completed.
【００１７】次に、成形台４を駆動装置３により、１ピ
ッチＰ（０．１ｍｍ）下降し、光硬化性樹脂２の液面２
ａが平滑になるのを待つ（図２（ｂ）参照）。そして、
レーザ光励起装置５で励起されたレーザ光６は、レーザ
光スキャニング装置７から、所定のスキャニングデータ
に従い、成形台４上の光硬化性樹脂２にレーザ光８とし
て照射され、成形台４の上に一層分の硬化層１１ａを形
成する（図２（ｃ）参照）。このとき、レーザ光８のス
キャニング領域は、図３（ａ）に示すように、希望寸法
（ＣＡＤデータ処理装置１０）に対し、レーザ光の中心
が位置する範囲とする。Next, the molding table 4 is lowered by one pitch P (0.1 mm) by the driving device 3 and the liquid surface 2 of the photocurable resin 2 is lowered.
Wait until a becomes smooth (see FIG. 2B). And
The laser light 6 excited by the laser light exciting device 5 is irradiated from the laser light scanning device 7 onto the photocurable resin 2 on the molding table 4 as the laser light 8 in accordance with predetermined scanning data, and then on the molding table 4. The hardened layer 11a for one layer is formed (see FIG. 2C). At this time, the scanning region of the laser light 8 is set to a range in which the center of the laser light is located with respect to a desired size (CAD data processing device 10) as shown in FIG.
【００１８】次に、硬化層１１ａのトリミング加工を行
う。本実施例では、図４で示す長方体１１をつくる。Ｃ
ＡＤデータ処理装置１０のデータをもとに加工装置１３
から、波長１．０６（μｍ）、レーザパワー密度１０7
（Ｗ／ｃｍ2 ）のレーザ光１２が照射され（図２（ｄ）
参照）、硬化層１１ａは図３（ａ）に示すようにトリミ
ングされ希望寸法を得る。Then, the hardened layer 11a is trimmed. In this embodiment, the rectangular parallelepiped 11 shown in FIG. 4 is made. C
Processing device 13 based on data from AD data processing device 10
, Wavelength 1.06 (μm), laser power density 10 7
The laser beam 12 of (W / cm 2 ) is irradiated (FIG. 2D).
3), the hardened layer 11a is trimmed as shown in FIG.
【００１９】以下、同様な工程、操作を繰り返して、前
硬化層の上に次硬化層を順次積層して、最終的に所望の
光造形品（図４参照）を形成する。ただし、２層目以降
のトリミングは前断面形状と当該断面形状から制御装置
１５内で、レーザ光１２の照射傾斜角度が演算され、加
工装置１３によって、傾斜付のトリミングが行われる。
本実施例は直方体を形成するので、傾斜のないトリミン
グを行っている。Thereafter, similar steps and operations are repeated to successively stack the next cured layer on the pre-cured layer to finally form a desired stereolithography product (see FIG. 4). However, for the trimming of the second and subsequent layers, the irradiation inclination angle of the laser beam 12 is calculated in the control device 15 from the front cross-sectional shape and the cross-sectional shape, and the trimming with inclination is performed by the processing device 13.
Since a rectangular parallelepiped is formed in this embodiment, trimming without inclination is performed.
【００２０】本実施例によれば、各硬化層で、輪郭の寸
法精度をトリミングしながら積層することができる。こ
れにより、従来はＸＹ方向の寸法精度が±０．１ｍｍで
あったのが、本実施例では、０．０３ｍｍ以下の高精度
で表面が円滑な光造形品を形成することができる。According to the present embodiment, each hardened layer can be laminated while trimming the dimensional accuracy of the contour. As a result, the dimensional accuracy in the XY directions was ± 0.1 mm in the related art, but in the present embodiment, it is possible to form a stereolithographic product with a high accuracy of 0.03 mm or less and a smooth surface.
【００２１】［実施例２］本実施例の光造形品の成形装
置は、実施例１の成形装置と基本的構成を同じくするの
で、図示を省略し、以下の説明においては図１を用いて
行う。[Embodiment 2] The molding apparatus of the stereolithography product of the present embodiment has the same basic structure as the molding apparatus of Embodiment 1, so that the illustration is omitted and FIG. 1 is used in the following description. To do.
【００２２】本実施例の光造形品の成形装置を用いた光
造形品の形成方法の実施例を図１、図２および図４〜図
７を用いて説明する。本実施例では、図７で示すように
傾斜のある立体物をつくる。実施例１と同様に成形台４
上の光硬化性樹脂２にレーザ光８を照射し、一層分の硬
化層１１ａを形成する（図２（ｃ）参照）。次に、ＣＡ
Ｄデータ処理装置１０内のＺ値０（硬化層１１ａの底
面）とＺ値０．１（硬化層１１ａの上面）の２つの断面
形状を基に制御装置１５で傾斜を演算し、加工装置１３
によってレーザ光１２により傾斜付のトリミングを行い
（図５参照）、硬化層１１ａは図６に示すように、希望
寸法を得る。以下、同様な工程、操作を繰り返して前硬
化層の上に次硬化層を順次積層して、最終的な所望の光
造形品（図７参照）を形成する。An embodiment of a method for forming a stereolithography product using the molding apparatus for the stereolithography product of this embodiment will be described with reference to FIGS. 1, 2 and 4 to 7. In this embodiment, a three-dimensional object having an inclination is made as shown in FIG. Forming table 4 as in Example 1
The upper photocurable resin 2 is irradiated with the laser beam 8 to form a cured layer 11a for one layer (see FIG. 2C). Next, CA
The controller 15 calculates the inclination based on the two sectional shapes of the Z value 0 (bottom surface of the hardened layer 11a) and the Z value 0.1 (upper surface of the hardened layer 11a) in the D data processing device 10, and the processing device 13
The laser light 12 is used for trimming with inclination (see FIG. 5), and the hardened layer 11a has a desired dimension as shown in FIG. Hereinafter, the same steps and operations are repeated to sequentially stack the next cured layer on the pre-cured layer to form a final desired stereolithography product (see FIG. 7).
【００２３】本実施例によれば、実施例１と同様な効果
を得ることができる。According to this embodiment, the same effect as that of the first embodiment can be obtained.
【００２４】［実施例３］本実施例の光造形品の成形装
置は、実施例１の成形装置と基本的構成を同じくするの
で、図示を省略し。以下の説明においては、図１を用い
て行う。だだし、加工装置１３はＸ軸、Ｙ軸、Ｃ軸、Ｖ
軸動作の４軸加工とし、Ｚ軸動作は成形台４の上下方向
への移動により行う。[Embodiment 3] The molding apparatus of the stereolithography product of the present embodiment has the same basic structure as the molding apparatus of Embodiment 1, so that the illustration thereof is omitted. In the following description, FIG. 1 will be used. However, the processing device 13 has an X axis, a Y axis, a C axis, and a V axis.
4-axis machining is performed, and the Z-axis operation is performed by moving the forming table 4 in the vertical direction.
【００２５】本実施例の光造形品の成形装置を用いた光
造形品の形成方法の実施例を図１、図２、図７および図
８を用いて説明する。本実施例では、図７で示すように
傾斜のある立体物をつくる。実施例２と同様に硬化層１
１ａを得た後、制御装置１５で演算した結果を基に、Ｚ
方向の指令値を駆動装置３に送って成形台４の上下でＺ
軸を制御しするとともに、Ｘ軸、Ｙ軸、Ｃ軸、Ｖ軸の指
令値を加工装置１３へ送って送って４軸の制御を行うこ
とにより、傾斜付のトリミングを行う（図８参照）。後
は実施例２と同様にして、所望の光造形品（図７）を形
成する。An embodiment of a method for forming a stereolithography product using the molding apparatus for the stereolithography product according to the present embodiment will be described with reference to FIGS. 1, 2, 7 and 8. In this embodiment, a three-dimensional object having an inclination is made as shown in FIG. Hardened layer 1 as in Example 2
After obtaining 1a, based on the result calculated by the controller 15, Z
The command value of the direction is sent to the driving device 3 and Z is moved up and down the molding table 4.
Trimming with inclination is performed by controlling the axes and sending the command values of the X axis, the Y axis, the C axis, and the V axis to the processing device 13 to control the four axes (see FIG. 8). . After that, the desired stereolithography product (FIG. 7) is formed in the same manner as in Example 2.
【００２６】本実施例によれば、加工装置１３を４軸制
御としたので、実施例２よりも簡易な構成になることか
ら、安価な光造形品の成形装置を提供することができ
る。According to the present embodiment, since the processing device 13 is controlled by four axes, the structure is simpler than that of the second embodiment, so that it is possible to provide an inexpensive molding device for a stereolithography product.
【００２７】なお、本発明は、硬化された硬化層の輪郭
を自動的にトリミングし、形状の精度向上と表面を平滑
化し得る光造形品の形成装置を提供することを目的とし
て、以下のように構成してもよい。光硬化性樹脂液を収
容するタンクと、タンク内で昇降自在な成形台と、タン
クの上方から液面にレーザ光を照射する光照射機構とを
備えた光造形品の形成装置において、コンピュータ援用
設計システムで設計された製品の全断面形状のデータを
もとに硬化一層分をトリミングする５軸加工装置と、該
硬化一層分の断面形状をもとに加工装置を制御する制御
装置を備えたことを特徴とする光造形品の形成装置。前
記５軸加工装置は電子ビーム加工、レーザ加工、固体レ
ーザ加工、気体レーザ加工、半導体レーザ加工からなる
ことを特徴とする光造形品の形成装置。It is to be noted that the present invention aims to provide an apparatus for forming a stereolithography product capable of automatically trimming the contour of a cured layer and improving the shape accuracy and smoothing the surface as follows. You may comprise. A computer-assisted device for forming a stereolithography product that includes a tank containing a photocurable resin liquid, a molding table that can be raised and lowered within the tank, and a light irradiation mechanism that irradiates a laser beam onto the liquid surface from above the tank. A 5-axis machining device for trimming a hardened layer based on the data of the entire cross-sectional shape of the product designed by the design system, and a control device for controlling the machining apparatus based on the cross-sectional shape of the cured monolayer An apparatus for forming a stereolithography product, which is characterized in that The five-axis processing apparatus comprises electron beam processing, laser processing, solid-state laser processing, gas laser processing, and semiconductor laser processing.
【００２８】上記構成によれば、加工装置は硬化層厚分
だけのトリミングを行い、同時に傾きを持たせてトリミ
ングもできる。制御装置はトリミングする断面形状デー
タと、１つ前の断面形状データから、加工軌跡と傾斜角
度を自動的に設定する。According to the above construction, the processing apparatus can perform trimming only for the thickness of the hardened layer, and at the same time, trimming can be performed with an inclination. The control device automatically sets the machining trajectory and the inclination angle from the cross-sectional shape data to be trimmed and the previous cross-sectional shape data.
【００２９】[0029]
【発明の効果】以上のように、本発明の請求項１の光造
形品の形成方法によれば、一断面形状毎にその輪郭をト
リミングするようにしたので、輪郭の寸法精度が出てい
る硬化層を得ることができ、また、傾斜を持たせた硬化
層をつくることができる。したがって、複数の硬化層を
積層して、光造形品を形成する場合、品質性能が安定し
て、形状精度の高い、表面が円滑な光造形品を得ること
ができる。As described above, according to the method for forming a stereolithography product of claim 1 of the present invention, the contour is trimmed for each cross-sectional shape, so that the dimensional accuracy of the contour is obtained. A hardened layer can be obtained, and a hardened layer having an inclination can be formed. Therefore, when a plurality of hardened layers are laminated to form a stereolithography product, it is possible to obtain a stereolithography product having stable quality performance, high shape accuracy, and a smooth surface.
【００３０】請求項２、３、４の光造形品の形成装置に
よれば、制御装置により加工装置を制御して硬化一層分
毎にトリミングすることで、傾斜付可能な高精度の硬化
層をつくるため、品質性能が安定した精度の高い光造形
品を得ることができる。According to the apparatus for forming a stereolithography product of claims 2, 3, and 4, the processing apparatus is controlled by the control device to perform trimming for each hardening layer, thereby forming a highly accurate hardening layer capable of being inclined. Since it is manufactured, it is possible to obtain a highly accurate stereolithographic product with stable quality performance.
【図１】本発明に係る光造形品の形成装置の実施例１を
示す概略構成断面図である。FIG. 1 is a schematic configuration sectional view showing a first embodiment of an apparatus for forming a stereolithographic product according to the present invention.
【図２】本発明に係る光造形品の形成方法の実施例１の
工程を示す断面図である。FIG. 2 is a cross-sectional view showing the steps of Example 1 of the method for forming a stereolithographic product according to the present invention.
【図３】本発明の実施例１におけるトリミングを説明す
るための説明図である。FIG. 3 is an explanatory diagram for explaining trimming according to the first embodiment of the present invention.
【図４】本発明の実施例１で形成する光造形品を示す斜
視図である。FIG. 4 is a perspective view showing a stereolithography product formed in Example 1 of the present invention.
【図５】本発明に係る光造形品の形成方法の実施例２に
おける一工程を示す断面図である。FIG. 5 is a cross-sectional view showing a step in Example 2 of the method for forming a stereolithography product according to the present invention.
【図６】本発明の実施例２，３におけるトリミングを説
明するための説明図である。FIG. 6 is an explanatory diagram for explaining trimming in Examples 2 and 3 of the present invention.
【図７】本発明の実施例２，３で形成する光造形品を示
す斜視図である。FIG. 7 is a perspective view showing a stereolithography product formed in Examples 2 and 3 of the present invention.
【図８】本発明に係る光造形品の形成方法の実施例３に
おける一工程を示す断面図である。FIG. 8 is a sectional view showing a step in Example 3 of the method for forming a stereolithographic article according to the present invention.
【図９】従来の光造形品の形成装置を示す概略構成断面
図である。FIG. 9 is a schematic configuration cross-sectional view showing a conventional apparatus for forming a stereolithographic product.
【図１０】従来の光造形品の形成方法を説明するための
説明図である。FIG. 10 is an explanatory diagram for explaining a conventional method for forming a stereolithography product.
１ タンク ２ 光硬化性樹脂 ３ 駆動装置 ４ 成形台 ５ レーザ光励起装置 ６，８，１２ レーザ光 ７ スキャニング装置 １０ ＣＡＤデータ処理装置 １１ 光造形品 １３ 加工装置 １４ 駆動部 １５ 制御装置 DESCRIPTION OF SYMBOLS 1 Tank 2 Photocurable resin 3 Drive device 4 Molding table 5 Laser light excitation device 6,8,12 Laser light 7 Scanning device 10 CAD data processing device 11 Stereolithography product 13 Processing device 14 Drive part 15 Control device
Claims (4)
れた製品の全断面形状のデータから、その一断面形状の
データにより、レーザ光をスキャンしてタンク内に収容
した光硬化性樹脂を上記一断面形状に硬化した後、上記
一断面形状と直近する断面形状のデータに従って上記光
硬化性樹脂を硬化した断面形状を上記一断面形状に硬化
した樹脂上に順次連続して形成することにより、上記製
品の光造形品を形成する方法において、一断面形状に硬
化した直後に、該硬化層の輪郭のトリミングを併設した
トリミング手段によって自動的に行うことを特徴とする
光造形品の形成方法。1. From the data of the entire cross-sectional shape of a product designed by a computer-aided design system, the data of one cross-sectional shape is used to scan the photo-curable resin contained in the tank by scanning the laser beam. After being cured into a single cross-sectional shape, according to the data of the cross-sectional shape that is closest to the one cross-sectional shape, the photo-curable resin is cured to form a cross-sectional shape successively on the resin cured into the one cross-sectional shape. A method for forming a stereolithography product, which is characterized in that, immediately after being cured to have a one-section shape, trimming means for trimming an outline of the cured layer is automatically performed to form the stereolithography product.
ンク内で昇降自在な成形台と、タンクの上方から液面に
レーザ光を照射する光照射機構とを備えた光造形品の形
成装置において、コンピュータ援用設計システムで設計
された製品の全断面形状のデータをもとに硬化一層分を
トリミングする加工装置と、該硬化一層分の断面形状を
もとに加工装置を制御する制御装置を備えたことを特徴
とする光造形品の形成装置。2. Forming of a stereolithography product comprising a tank containing a photocurable resin liquid, a molding table movable up and down in the tank, and a light irradiation mechanism for irradiating the liquid surface with laser light from above the tank. In the apparatus, a processing device that trims a hardened layer based on the data of the entire cross-sectional shape of a product designed by a computer-aided design system, and a control device that controls the processing device based on the cross-sectional shape of the hardened layer An apparatus for forming a stereolithography product, comprising:
し、硬化層と非接触で加工し得るように構成したことを
特徴とする請求項２記載の光造形品の形成装置。3. The apparatus for forming a stereolithography product according to claim 2, wherein the processing device is configured so as to be movable in five axis directions so that the processing can be performed without contact with the hardened layer.
方向に移動自在とし、Ｚ軸方向は成形台の移動により行
うように構成したことを特徴とする請求項２記載の光造
形品の形成装置。4. The stereolithography according to claim 2, wherein the processing device is movable in four axial directions excluding the Z-axis direction, and the Z-axis direction is performed by moving a molding table. Product forming equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7052358A JPH08244118A (en) | 1995-03-13 | 1995-03-13 | Method and apparatus for forming optical shaped product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7052358A JPH08244118A (en) | 1995-03-13 | 1995-03-13 | Method and apparatus for forming optical shaped product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08244118A true JPH08244118A (en) | 1996-09-24 |
Family
ID=12912592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7052358A Withdrawn JPH08244118A (en) | 1995-03-13 | 1995-03-13 | Method and apparatus for forming optical shaped product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08244118A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014097658A (en) * | 1999-03-01 | 2014-05-29 | Objet Geometries Ltd | Three dimensional printing method |
| JP2016525967A (en) * | 2013-06-07 | 2016-09-01 | エシロール アテルナジオナール カンパニー ジェネラーレ デ オプティックＥｓｓｉｌｏｒ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｃｏｍｐａｇｎｉｅ Ｇｅｎｅｒａｌｅ Ｄ’ Ｏｐｔｉｑｕｅ | Eyeglass lens manufacturing process and system |
| KR102210719B1 (en) * | 2019-08-02 | 2021-02-02 | 한국과학기술원 | 3d printer having micro/nano hole drilling function and operating method thereof |
-
1995
- 1995-03-13 JP JP7052358A patent/JPH08244118A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014097658A (en) * | 1999-03-01 | 2014-05-29 | Objet Geometries Ltd | Three dimensional printing method |
| JP2016525967A (en) * | 2013-06-07 | 2016-09-01 | エシロール アテルナジオナール カンパニー ジェネラーレ デ オプティックＥｓｓｉｌｏｒ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ｃｏｍｐａｇｎｉｅ Ｇｅｎｅｒａｌｅ Ｄ’ Ｏｐｔｉｑｕｅ | Eyeglass lens manufacturing process and system |
| KR102210719B1 (en) * | 2019-08-02 | 2021-02-02 | 한국과학기술원 | 3d printer having micro/nano hole drilling function and operating method thereof |
| WO2021025307A1 (en) * | 2019-08-02 | 2021-02-11 | 한국과학기술원 | 3d printer having microhole processing function, and method for processing microhole by using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6574523B1 (en) | Selective control of mechanical properties in stereolithographic build style configuration | |
| JP3446733B2 (en) | Method and apparatus for manufacturing three-dimensional shaped object | |
| JP2003136605A (en) | Method for forming product and its product | |
| US6207097B1 (en) | Method for manufacturing physical objects using precision stereolithography | |
| WO2007058160A1 (en) | Process for producing three-dimensionally shaped object | |
| JP2001145956A (en) | Apparatus and method for laminate shaping of photosetting resin three-dimensional shaped article | |
| JP2003127238A (en) | Selective laser sintering wherein filling scan is interleaved | |
| KR101722979B1 (en) | An Manufacturing Method of 3 Dimensional Shape | |
| KR20040028593A (en) | Method of manufacturing a three dimensional object | |
| EP0732181B1 (en) | A porous molding tool formed by lamination molding and method of molding the molding tool | |
| JP3515419B2 (en) | Optical three-dimensional molding method and apparatus | |
| JP3782049B2 (en) | Stereolithography method and apparatus therefor | |
| JPH08244118A (en) | Method and apparatus for forming optical shaped product | |
| JP2002103459A (en) | Stereo lithographic device and method for producing stereo lithographic product | |
| JP3458593B2 (en) | Method for forming a three-dimensional shape | |
| JP2001301045A (en) | Rapid prototyping apparatus | |
| JP4140891B2 (en) | Optical three-dimensional modeling method and apparatus | |
| JP2617532B2 (en) | Method and apparatus for forming a three-dimensional shape | |
| TWI302869B (en) | ||
| JP2007021922A (en) | Lamination shaping method and apparatus | |
| JPH08238678A (en) | Optically molding machine | |
| JPH07329190A (en) | Manufacture of 3-dimensional object and manufacturing equipment | |
| JPH07232383A (en) | Three-dimensional optical shaping method and apparatus | |
| JPH05124115A (en) | Optical formation apparatus and formation method | |
| JP2861321B2 (en) | Method of forming three-dimensional object |
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: 20020604 |