JP2020196218A - 三次元造形物の製造方法 - Google Patents
三次元造形物の製造方法 Download PDFInfo
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- JP2020196218A JP2020196218A JP2019104632A JP2019104632A JP2020196218A JP 2020196218 A JP2020196218 A JP 2020196218A JP 2019104632 A JP2019104632 A JP 2019104632A JP 2019104632 A JP2019104632 A JP 2019104632A JP 2020196218 A JP2020196218 A JP 2020196218A
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Abstract
Description
上記課題を解決するための本発明の第1の態様の三次元造形物の製造方法は、金属粉末またはセラミックス粉末を含む造形材料を供給し、前記造形材料における造形する三次元造形物の構造体に対応する領域にバインダーを供給する構造体造形工程と、樹脂を含む支持材料で前記構造体を支持する支持体を造形する支持体造形工程と、前記構造体を支持している状態の前記支持体と前記バインダーとを脱脂する脱脂工程と、を有することを特徴とする。
[実施例1]
最初に、本発明の三次元造形物の製造方法を実行可能な三次元造形物の製造装置1の一例について図1を参照して説明する。ここで、図1及び後述する各図における図中のX方向は水平方向であり、Y方向は水平方向であるとともにX方向と直交する方向である。また、Z方向は鉛直方向であり層500の積層方向に対応する。
次に、本発明の三次元造形物の製造方法を実行可能な実施例1の三次元造形物の製造装置1とは異なる構成の実施例2の三次元造形物の製造装置1の一例について図9を参照して説明する。なお、図9は図1に対応する図である。ここで、本実施例の三次元造形物の製造装置1は、吸引ユニット13を備えること以外の構成は実施例1の三次元造形物の製造装置1と同様の構成である。このため、構成が共通する部分である吸引ユニット13以外の構成の説明は省略する。なお、上記実施例1と共通する構成部材は同じ符号で示している。
4…支持体供給部、5…ヒーター、6…圧縮ローラー、7…紫外線照射部、
8…供給ユニット、9…造形テーブル、9a…造形面、10…テーブルユニット、
10a…上面部、11…ガイドバー、12…制御部、20…外部装置、
300…支持体層、310…構造体層、500…層、
501、502、503、・・・50n…層、P…支持体Tの造形位置、S…構造体、
Sa…筐体部、Sb…蓋部、T…支持体
Claims (8)
- 金属粉末またはセラミックス粉末を含む造形材料を供給し、前記造形材料における造形する三次元造形物の構造体に対応する領域にバインダーを供給する構造体造形工程と、
樹脂を含む支持材料で前記構造体を支持する支持体を造形する支持体造形工程と、
前記構造体を支持している状態の前記支持体と前記バインダーとを脱脂する脱脂工程と、
を有することを特徴とする三次元造形物の製造方法。 - 請求項1に記載された三次元造形物の製造方法において、
前記構造体造形工程と前記支持体造形工程とを実行して1または複数の層を形成する場合に、層毎に前記支持体造形工程の実行後に前記構造体造形工程を実行するとともに、前記構造体造形工程では前記支持体の造形位置を除く位置に前記造形材料を供給することを特徴とする三次元造形物の製造方法。 - 請求項1に記載された三次元造形物の製造方法において、
前記構造体造形工程と前記支持体造形工程とを実行して1または複数の層を形成する場合に、層毎に前記構造体造形工程の実行後に前記支持体造形工程を実行するとともに、前記構造体造形工程の実行に伴い供給された前記造形材料を前記支持体の造形位置から除去する除去工程を実行し、前記支持体造形工程では前記除去工程で前記造形材料が除去された前記支持体の造形位置に前記支持材料を供給して前記支持体を造形することを特徴とする三次元造形物の製造方法。 - 請求項1から3のいずれか1項に記載された三次元造形物の製造方法において、
前記樹脂は、紫外線硬化樹脂であり、
前記支持体造形工程は、前記支持材料に紫外線を照射する照射工程を含むことを特徴とする三次元造形物の製造方法。 - 請求項1から3のいずれか1項に記載された三次元造形物の製造方法において、
前記樹脂は、熱可塑性樹脂であり、
前記支持体造形工程は、前記支持材料を溶融させた状態で射出することで前記支持体を造形することを特徴とする三次元造形物の製造方法。 - 請求項1から5のいずれか1項に記載された三次元造形物の製造方法において、
前記脱脂工程後に前記造形材料を焼結する焼結工程を有することを特徴とする三次元造形物の製造方法。 - 請求項1から6のいずれか1項に記載された三次元造形物の製造方法において、
前記脱脂工程は、前記支持体を加熱して気化させる工程であることを特徴とする三次元造形物の製造方法。 - 請求項1から6のいずれか1項に記載された三次元造形物の製造方法において、
前記脱脂工程は、前記支持体を溶剤により溶解させる工程であることを特徴とする三次元造形物の製造方法。
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