JP2019098744A5 - Manufacturing method of 3D model, 3D modeling device, model and recording medium - Google Patents

Manufacturing method of 3D model, 3D modeling device, model and recording medium Download PDF

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JP2019098744A5
JP2019098744A5 JP2018211542A JP2018211542A JP2019098744A5 JP 2019098744 A5 JP2019098744 A5 JP 2019098744A5 JP 2018211542 A JP2018211542 A JP 2018211542A JP 2018211542 A JP2018211542 A JP 2018211542A JP 2019098744 A5 JP2019098744 A5 JP 2019098744A5
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本発明は、三次元造形物の製造方法、三次元造形装置、造形物及び記録媒体に関する。 The present invention relates to a method for manufacturing a three-dimensional model, a three-dimensional model , a model, and a recording medium .

本発明の一態様は、光硬化性の造形材に光を照射して層状に硬化させ、三次元造形物を製造する製造方法であって、第ｎ−１層（ｎは２以上の自然数）の第１の領域に前記光を照射して、前記造形材の硬化部分を形成するｎ−１層形成工程と、第ｎ層の第１の領域に前記光を照射して、前記造形材の硬化部分を形成する第ｎ層形成工程と、第ｎ＋１層の第１の領域に前記光を照射して、前記造形材の硬化部分を形成する第ｎ＋１層形成工程と、前記第ｎ＋１層形成工程の後に、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる第２の領域に対応する部分に前記光を照射する工程と、を含み、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれの前記第２の領域に対応する部分が、積層方向からみて少なくとも一部が重なることを特徴とする三次元造形物の製造方法である。 One aspect of the present invention, by irradiating light to the photocurable molding material is cured in layers, a method of manufacturing a three-dimensional model, the n-1 layer (n is a natural number of 2 or more) The first region of the n-1 layer is irradiated with the light to form a cured portion of the modeling material, and the first region of the nth layer is irradiated with the light of the modeling material. The nth layer forming step of forming the cured portion, the n + 1 layer forming step of irradiating the first region of the n + 1 layer with the light to form the cured portion of the modeling material, and the n + 1 layer forming step. The n-1 layer and the nth layer include the step of irradiating the portion corresponding to the second region included in the data of the n-1 layer, the nth layer, and the n + 1 layer with the light. This is a method for manufacturing a three-dimensional model, characterized in that at least a part of each of the layer and the n + 1 layer corresponding to the second region overlaps when viewed from the stacking direction.

本発明の一態様は、三次元形状データを所定のピッチでスライスして生成されるスライスデータに基づいて硬化させた光硬化性の造形材の硬化物を積層して造形を行う三次元造形装置であって、制御手段と、前記制御手段によって制御され、前記造形材を硬化させる光を照射する露光ユニットと、を備え、前記制御手段が、前記スライスデータに含まれる、第ｎ−１層（ｎは２以上の自然数）、第ｎ層、および第ｎ＋１層のデータを、それぞれ第１の領域と第２の領域とに分け、その際、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域が、前記ピッチの方向において少なくとも一部重なるように設定し、前記第１の領域と第２の領域とに分けられた各層のデータに従って前記露光ユニットを制御し、前記第ｎ−１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成するｎ−１層形成工程と、前記第ｎ層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ層形成工程と、前記第ｎ＋１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ＋１層形成工程と、前記第ｎ＋１層形成工程の後に、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域に対応する部分に前記光を照射する工程と、を実行させることを特徴とする三次元造形装置である。One aspect of the present invention is a three-dimensional modeling apparatus that performs modeling by laminating a cured product of a photocurable modeling material that has been cured based on slice data generated by slicing three-dimensional shape data at a predetermined pitch. The n-1th layer (which includes a control means and an exposure unit which is controlled by the control means and irradiates light to cure the modeling material, and the control means is included in the slice data. n is a natural number of 2 or more), the nth layer, and the data of the n + 1st layer are divided into a first region and a second region, respectively, and at that time, the n-1 layer, the nth layer, and the n + 1th layer are divided. The second region included in each data is set so as to overlap at least a part in the direction of the pitch, and the exposure unit is set according to the data of each layer divided into the first region and the second region. The n-1 layer forming step of controlling and irradiating the portion corresponding to the first region of the data of the n-1 layer with the light to form the cured portion of the modeling material, and the n-1 layer. The nth layer forming step of irradiating the portion corresponding to the first region of the data with the light to form the cured portion of the modeling material, and the portion corresponding to the first region of the data of the n + 1 layer. After the n + 1 layer forming step of irradiating the light to form the cured portion of the modeling material and the n + 1 layer forming step, the data includes the n-1 layer, the nth layer, and the n + 1 layer, respectively. It is a three-dimensional modeling apparatus characterized in that the step of irradiating the portion corresponding to the second region with the light is executed.
本発明の一態様は、光硬化性の造形材の硬化物が層状に複数積層されてなる造形物であって、前記複数の層のうちの一つの層である第ｎ層（ｎは２以上の自然数）は、第ｎ＋１層および第ｎ−１層と境界がなく第ｎ＋１層と境界のある第二部分とを有することを特徴とする造形物である。 One aspect of the present invention is a model in which a plurality of cured products of a photocurable modeling material are laminated in a layered manner, and the nth layer (n is 2 or more) which is one of the plurality of layers. (Natural number) is a model characterized by having a second portion having no boundary with the n + 1 layer and the n-1th layer and having a boundary with the n + 1 layer.
本発明の一態様は、制御手段と、前記制御手段によって制御され、光硬化性の造形材を硬化させる光を照射する露光ユニットと、を備え、三次元形状データを所定のピッチでスライスして生成されるスライスデータに基づいて前記造形材に光を照射し、前記造形材の硬化物を積層して造形を行う三次元造形装置に用いられる造形用データが記載された、非一過性の記録媒体であって、前記造形用データは、前記スライスデータに含まれる、第ｎ−１層（ｎは２以上の自然数）、第ｎ層、および第ｎ＋１層のデータを、それぞれ第１の領域と第２の領域とに分け、その際、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域が、前記ピッチの方向において少なくとも一部重なるように設定し、前記第１の領域と第２の領域とに分けられた各層のデータに従って前記露光ユニットを制御し、前記第１の領域と第２の領域とに分けられた各層のデータに従って、前記第ｎ−１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成するｎ−１層形成工程と、前記第ｎ層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ層形成工程と、前記第ｎ＋１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ＋１層形成工程と、前記第ｎ＋１層形成工程の後に、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域に対応する部分に前記光を照射する工程と、を前記三次元造形装置に実行させることを特徴とする非一過性の記録媒体である。 One aspect of the present invention comprises a control means and an exposure unit controlled by the control means to irradiate light that cures a photocurable modeling material, and slices three-dimensional shape data at a predetermined pitch. Non-transient data that describes modeling data used in a three-dimensional modeling device that irradiates the modeling material with light based on the generated slice data and stacks the cured products of the modeling material to perform modeling. In the recording medium, the modeling data includes the data of the n-1th layer (n is a natural number of 2 or more), the nth layer, and the n + 1th layer contained in the slice data, respectively, in the first region. And the second region, and at that time, the second region included in the data of each of the n-1 layer, the nth layer, and the n + 1 layer is set so as to overlap at least a part in the direction of the pitch. Then, the exposure unit is controlled according to the data of each layer divided into the first region and the second region, and the first layer is controlled according to the data of each layer divided into the first region and the second region. The n-1 layer forming step of irradiating the portion corresponding to the first region of the data of the n-1 layer with the light to form the cured portion of the modeling material, and the first of the data of the nth layer. The portion corresponding to the region is irradiated with the light, and the nth layer forming step of forming the cured portion of the modeling material and the portion corresponding to the first region of the data of the n + 1 layer are irradiated with the light. After the n + 1 layer forming step of forming the cured portion of the modeling material and the n + 1 layer forming step, the second layer included in the data of each of the n-1 layer, the nth layer, and the n + 1 layer. It is a non-transient recording medium characterized by causing the three-dimensional modeling apparatus to perform the step of irradiating the portion corresponding to the region with the light.

Claims (15)

光硬化性の造形材に光を照射して層状に硬化させ、三次元造形物を製造する製造方法であって、
第ｎ−１層（ｎは２以上の自然数）の第１の領域に前記光を照射して、前記造形材の硬化部分を形成するｎ−１層形成工程と、
第ｎ層の第１の領域に前記光を照射して、前記造形材の硬化部分を形成する第ｎ層形成工程と、
第ｎ＋１層の第１の領域に前記光を照射して、前記造形材の硬化部分を形成する第ｎ＋１層形成工程と、
前記第ｎ＋１層形成工程の後に、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる第２の領域に対応する部分に前記光を照射する工程と、を含み、
前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれの前記第２の領域に対応する部分が、積層方向からみて少なくとも一部が重なることを特徴とする三次元造形物の製造方法。 And irradiating light to the photocurable molding material is cured in layers, a method of manufacturing a three-dimensional model,
The n-1 layer forming step of irradiating the first region of the n-1th layer (n is a natural number of 2 or more) with the light to form a cured portion of the modeling material.
The nth layer forming step of irradiating the first region of the nth layer with the light to form a cured portion of the modeling material, and the process of forming the nth layer.
The n + 1 layer forming step of irradiating the first region of the n + 1 layer with the light to form the cured portion of the modeling material.
After the n + 1 layer forming step, the step of irradiating the portion corresponding to the second region included in the data of each of the n-1 layer, the nth layer, and the n + 1 layer with the light is included.
A method for manufacturing a three-dimensional model, wherein at least a part of each of the n-1 layer, the nth layer, and the n + 1 layer corresponding to the second region overlaps when viewed from the stacking direction. 前記第ｎ層の前記第２の領域が前記第１の領域で囲まれていることを特徴とする請求項１に記載の三次元造形物の製造方法。 The method for manufacturing a three-dimensional model according to claim 1, wherein the second region of the nth layer is surrounded by the first region. 前記第ｎ層の第２の領域が、積層方向から視て、前記第ｎ−１層の前記第１の領域の面積の２５［％］以上１００［％］以下とすることを特徴とする請求項１又は２に記載の三次元造形物の製造方法。 Wherein said second region of the second n layer, as viewed from the lamination direction, characterized by a 25% or more 100% or less of the area of the first region of the first n-1 layer Item 2. The method for manufacturing a three-dimensional model according to Item 1 or 2. 前記第ｎ−１層形成工程、前記第ｎ層形成工程、および前記第ｎ＋１層形成工程において、前記第１の領域に対応する部分に照射する光より強度の強い光を、前記第２の領域に対応する部分に照射することを特徴とする請求項１乃至３のいずれか一項に記載の三次元造形物の製造方法。 In the n-1 layer forming step, the nth layer forming step, and the n + 1 layer forming step, the light having a higher intensity than the light irradiating the portion corresponding to the first region is emitted into the second region. The method for manufacturing a three-dimensional model according to any one of claims 1 to 3, wherein the portion corresponding to the above is irradiated. 前記ｎ層形成工程において、前記第ｎ層のデータの第２の領域に対応する部分に、前記第１の領域よりも弱い強度で光を照射することを特徴とする請求項１乃至４のいずれか一項に記載の三次元造形物の製造方法。 Any of claims 1 to 4, wherein in the n-layer forming step, the portion corresponding to the second region of the data of the n-th layer is irradiated with light with a weaker intensity than that of the first region. The method for manufacturing a three-dimensional model according to item 1. 前記第ｎ層のデータの第２の領域に対応する部分に照射される光の強度が、第ｎ層のデータの第１の領域に対応する部分に向かって段階的にまたは連続的に増加させることを特徴とする請求項１乃至５のいずれか一項に記載の三次元造形物の製造方法。 The intensity of the light applied to the portion corresponding to the second region of the data of the nth layer is gradually or continuously increased toward the portion corresponding to the first region of the data of the nth layer. The method for manufacturing a three-dimensional model according to any one of claims 1 to 5, characterized in that. 前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域に対応する部分に前記光を照射する際に、前記造形材に照射する光の方向を調整することを特徴とする請求項１乃至６のいずれか一項に記載の三次元造形物の製造方法。 When irradiating the portion corresponding to the second region included in the data of each of the n-1 layer, the nth layer, and the n + 1 layer , the direction of the light irradiating the modeling material is adjusted. The method for manufacturing a three-dimensional model according to any one of claims 1 to 6, wherein the three-dimensional model is characterized. 三次元形状データを所定のピッチでスライスして生成されるスライスデータに基づいて硬化させた光硬化性の造形材の硬化物を積層して造形を行う三次元造形装置であって、
制御手段と、
前記制御手段によって制御され、前記造形材を硬化させる光を照射する露光ユニットと、を備え、
前記制御手段が、
前記スライスデータに含まれる、第ｎ−１層（ｎは２以上の自然数）、第ｎ層、および第ｎ＋１層のデータを、それぞれ第１の領域と第２の領域とに分け、その際、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域が、前記ピッチの方向において少なくとも一部重なるように設定し、
前記第１の領域と第２の領域とに分けられた各層のデータに従って前記露光ユニットを制御し、
前記第ｎ−１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成するｎ−１層形成工程と、
前記第ｎ層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ層形成工程と、
前記第ｎ＋１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ＋１層形成工程と、
前記第ｎ＋１層形成工程の後に、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域に対応する部分に前記光を照射する工程と、
を実行させることを特徴とする三次元造形装置。 It is a three-dimensional modeling device that performs modeling by laminating a cured product of a photocurable modeling material that has been cured based on slice data generated by slicing three-dimensional shape data at a predetermined pitch.
Control means and
An exposure unit, which is controlled by the control means and irradiates light to cure the modeling material, is provided.
It said control means,
The data of the n-1th layer (n is a natural number of 2 or more), the nth layer, and the n + 1th layer included in the slice data are divided into a first region and a second region, respectively, and at that time, The second region included in the data of each of the n-1 layer, the nth layer, and the n + 1th layer is set so as to overlap at least a part in the direction of the pitch.
The exposure unit is controlled according to the data of each layer divided into the first region and the second region.
The n-1 layer forming step of irradiating the portion corresponding to the first region of the data of the n-1 layer with the light to form the cured portion of the modeling material.
The nth layer forming step of irradiating the portion corresponding to the first region of the data of the nth layer with the light to form the cured portion of the modeling material.
The n + 1 layer forming step of irradiating the portion corresponding to the first region of the data of the n + 1 layer with the light to form the cured portion of the modeling material.
After the n + 1 layer forming step, a step of irradiating the portion corresponding to the second region included in the data of each of the n-1 layer, the nth layer, and the n + 1 layer with the light.
A three-dimensional modeling device characterized by executing. 前記制御手段は、各層のデータにおける前記第２の領域が前記第１の領域で囲まれるように設定することを特徴とする請求項８に記載の三次元造形装置。 The three-dimensional modeling apparatus according to claim 8, wherein the control means is set so that the second region in the data of each layer is surrounded by the first region. 前記制御手段は、前記重なり部の面積を、前記第ｎ−１層の前記第１の領域の面積の２５％以上１００％以下とすることを特徴とする請求項８または９に記載の三次元造形装置。 The three-dimensional aspect according to claim 8 or 9, wherein the control means has an area of the overlapping portion of 25% or more and 100% or less of the area of the first region of the n-1 layer. Modeling equipment. 前記制御手段は、前記第ｎ−１層形成工程、前記第ｎ層形成工程、および前記第ｎ＋１層形成工程において、前記第１の領域に対応する部分に照射する光より強度の強い光を、前記第２の領域に対応する部分に照射するように、前記露光ユニットを制御することを特徴とする請求項８乃至１０のいずれか一項に記載の三次元造形装置。 The control means emits light having a higher intensity than the light irradiating the portion corresponding to the first region in the n-1 layer forming step, the nth layer forming step, and the n + 1 layer forming step. The three-dimensional modeling apparatus according to any one of claims 8 to 10, wherein the exposure unit is controlled so as to irradiate a portion corresponding to the second region. 前記制御手段は、前記第ｎ層形成工程において、前記第ｎ層のデータの第２の領域に対応する部分に、前記第１の領域よりも弱い強度で前記所定の光を照射するように、前記露光ユニットを制御することを特徴とする請求項８乃至１１のいずれか一項に記載の三次元造形装置。 In the nth layer forming step, the control means irradiates the portion corresponding to the second region of the data of the nth layer with the predetermined light with a weaker intensity than the first region. The three-dimensional modeling apparatus according to any one of claims 8 to 11, wherein the exposure unit is controlled. 前記制御手段は、前記第ｎ層のデータの第２の領域に対応する部分に照射される光の強度が、第ｎ層のデータの第１の領域に対応する部分に向かって段階的にまたは連続的に増加するように、前記露光ユニットを制御することを特徴とする請求項８乃至１２のいずれか一項に記載の三次元造形装置。 In the control means, the intensity of the light applied to the portion corresponding to the second region of the data of the nth layer is stepwise toward or toward the portion corresponding to the first region of the data of the nth layer. The three-dimensional modeling apparatus according to any one of claims 8 to 12, wherein the exposure unit is controlled so as to continuously increase. 光硬化性の造形材の硬化物が層状に複数積層されてなる造形物であって、
前記複数の層のうちの一つの層である第ｎ層（ｎは２以上の自然数）は、第ｎ＋１層および第ｎ−１層と境界がなく第ｎ＋１層と境界のある第二部分とを有することを特徴とする造形物。 It is a modeled product in which a plurality of cured products of a photocurable modeling material are laminated in layers.
The nth layer (n is a natural number of 2 or more), which is one of the plurality of layers, has a second portion having no boundary with the n + 1 layer and the n-1th layer and having a boundary with the n + 1 layer. A model characterized by having. 制御手段と、前記制御手段によって制御され、光硬化性の造形材を硬化させる光を照射する露光ユニットと、を備え、三次元形状データを所定のピッチでスライスして生成されるスライスデータに基づいて前記造形材に光を照射し、前記造形材の硬化物を積層して造形を行う三次元造形装置に用いられる造形用データが記載された、非一過性の記録媒体であって、
前記造形用データは、
前記スライスデータに含まれる、第ｎ−１層（ｎは２以上の自然数）、第ｎ層、および第ｎ＋１層のデータを、それぞれ第１の領域と第２の領域とに分け、その際、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域が、前記ピッチの方向において少なくとも一部重なるように設定し、
前記第１の領域と第２の領域とに分けられた各層のデータに従って前記露光ユニットを制御し、
前記第１の領域と第２の領域とに分けられた各層のデータに従って、
前記第ｎ−１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成するｎ−１層形成工程と、
前記第ｎ層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ層形成工程と、
前記第ｎ＋１層のデータの第１の領域に対応する部分に前記光を照射して、前記造形材の硬化部分を形成する第ｎ＋１層形成工程と、
前記第ｎ＋１層形成工程の後に、前記ｎ−１層、第ｎ層、第ｎ＋１層それぞれのデータに含まれる前記第２の領域に対応する部分に前記光を照射する工程と、
を前記三次元造形装置に実行させることを特徴とする非一過性の記録媒体。 A control means and an exposure unit controlled by the control means and irradiating light for curing a photocurable molding material are provided, and based on slice data generated by slicing three-dimensional shape data at a predetermined pitch. the light is irradiated to the modeling material, modeling data that is used in the three-dimensional modeling apparatus that performs molding by laminating a cured product of the modeling material is described, a non-transitory recording medium Te,
The modeling data is
The data of the n-1th layer (n is a natural number of 2 or more), the nth layer, and the n + 1th layer included in the slice data are divided into a first region and a second region, respectively, and at that time, The second region included in the data of each of the n-1 layer, the nth layer, and the n + 1th layer is set so as to overlap at least a part in the direction of the pitch.
The exposure unit is controlled according to the data of each layer divided into the first region and the second region.
According to the data of each layer divided into the first region and the second region,
The n-1 layer forming step of irradiating the portion corresponding to the first region of the data of the n-1 layer with the light to form the cured portion of the modeling material.
The nth layer forming step of irradiating the portion corresponding to the first region of the data of the nth layer with the light to form the cured portion of the modeling material.
The n + 1 layer forming step of irradiating the portion corresponding to the first region of the data of the n + 1 layer with the light to form the cured portion of the modeling material.
After the n + 1 layer forming step, a step of irradiating the portion corresponding to the second region included in the data of each of the n-1 layer, the nth layer, and the n + 1 layer with the light.
A non-transient recording medium, characterized in that the three-dimensional modeling apparatus is used to perform the above.
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