JP2019530603A - 積層造形および3dプリント材料での支持体除去のための自己修正アジテーション方法および装置 - Google Patents
積層造形および3dプリント材料での支持体除去のための自己修正アジテーション方法および装置 Download PDFInfo
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Abstract
Description
102 チャンバ部
104 制御ユニット部
106 制御入力スクリーン
108A アクセスドア
108B アクセスドア
108C アクセスドア
110 蓋
120 チャンバ
121 開口
122 フィルタ
124 ポンプ
126 パイプ
130 圧力センサ
136 センサ
138 冷却ユニット
142 超音波変換器
144 濾過スクリーン
146 堰
148 越流チャンバ
150 加熱ユニット
152 温度センサ
154 媒体
160 部品
162 支持材料
200 投入ステップ
202 作動ステップ
204 回転ステップ
206 アジテーションステップ
210 除去ステップ
300 初期パラメータエントリステップ
301 アルゴリズムステップ
302 温度設定ステップ
304 処理実行ステップ
306 温度確認ステップ
312 アジテーションレベル設定ステップ
314 処理実行ステップ
316 アジテーションレベル確認ステップ
322 ポンプ圧力設定ステップ
324 処理実行ステップ
326 ポンプ圧力確認ステップ
332 pH/液体レベル設定ステップ
334 処理実行ステップ
336 pH/液体レベル確認ステップ
350 スキャニングステップ
本願は、2016年10月10日に出願された米国仮特許出願番号第62/406187号の優先権を主張するものであって、この出願は全体が本明細書に組み込まれるものであり、図8の後に続く。
3Dプリント部品における回転支持構造物除去のための自己修正方法
本開示は概して、3Dプリント部品用の支持体除去装置およびシステムの動作に関し、とりわけ人工知能技術を用いて3Dプリント部品用の支持体除去装置の動作を最適化する方法および装置に関する。
従来の支持体除去ユニットでは、3Dプリント部品が機械的アジテーションおよび加熱のために液体の満たされたタンクに投入され、液体の噴霧による圧力にさらされ、あるいは支持材料を溶かすための化学溶剤によって処理され、完成部品のみを後に残す。タンクへはポンプが接続され、液体の流動、吸い込み、および圧力を生じさせ、これにより部品を回転、さもなくば機械的にアジテートし、その間に熱源からの熱が部品を取り巻く流体の温度を上昇させ、支持材料を除去する。支持材料は溶解、さもなくば除去され、部品のみを後に残す。部品から支持体を除去すべく、高圧の液体噴霧もまた利用可能である。従来の装置では、熱、流体の動き、超音波、および化学溶解を含む装置パラメータを変えることで支持体除去が行われてきた。
本発明は複数のアジテーションコンポーネントを備えた支持体除去装置の動作を最適化する方法を提供するものであり、該方法は、前記支持体除去装置の動作モデルを作成し、前記モデルは、前記支持体除去装置の動作と関連する複数の入力パラメータを受け取り、前記複数の入力パラメータに対応する1つ以上の出力パラメータを作成し、前記各出力パラメータは前記支持体除去装置の目標と関連しており、1つ以上の連続的な時間増分に対して前記支持体除去装置の望ましい目標を実現する1つ以上の決定を行い、前記決定の少なくとも1つは、前記モデルに基づく支持体除去装置の動作の少なくとも1つの離散変数と関連しており、前記決定Dの少なくとも1つに従って支持体除去を実行する。
本発明は特定の部品および部品の配置において物理的な形態を有し、その好適な実施形態は、明細書中に詳細に記載され、かつその一部をなす添付の図面に描かれている。
図2は、本開示に基づく支持体除去システムの一般的な処理のあらましを説明するフローチャートである。
図3は、特定の部品に対するポンプおよび超音波を用いた処理でのAGAの例を示す。
図4は、特定の部品に対するポンプおよび超音波を用いた処理でのAGAの例を示す。
本開示の処理に関する支持体除去装置の好ましい実施形態の主要な構成要素を、以下に簡単に説明する。支持体除去装置は、部品を受け入れる液体塊で満たされたアウトプットタンクを有する。アウトプットタンクと流体のやり取りが可能なポンプは、タンクのほぼ中央位置で3Dプリント部品を搖動させ、浮遊させることが可能な液圧をもたらす。タンクの特定の位置に配置されたマニホールドは、回転液体流を生じ、少なくとも1つの部品の浮遊および/または沈降を可能とする。
1.液体塊(タンク)温度をユーザが定めた閾値に従って維持するための調整を行う
2.超音波の周波数および振幅をユーザが定めた閾値内または閾値外に維持するための調整を行う
3.ポンプによって決定される液体塊の回転流をユーザが定めた閾値内または閾値外に維持するための調整を行う
4.pHなどのパラメータをユーザが定めた閾値内に維持するための調整を行う
5.部品パラメータがユーザが定めた閾値以下、閾値以上、閾値に従う範囲内、または閾値に従う範囲外のときに支持体除去活動を一時中止する
6.時間が支持体除去コンポーネントのMinOffTime未満であるとき、関連支持体除去コンポーネントの調整を試みない
7.時間が支持体除去コンポーネントのMaxOffTimeを超えているとき、関連支持体除去コンポーネントの作動を合図するために調整を行う
8.ユーザが定めた時間ベース関係に従って調整をチェックする
9.選択された支持体除去コンポーネントを、加熱、超音波、冷却および超音波、またはその他の組み合わせなど、ユーザが定めたパターンで作動させる
請求項1
本願に図示および説明された装置。
3Dプリント部品の支持材料除去方法であって、部品が液体で満たされたタンクに投入され、支持体除去が、人工知能処理を介してマルチパラメータシステムで最適化され、これは過去データ、パラメトリック試験データ、標準的支持体除去データ、および他の支持体除去AIモデルからの出力の使用を含み得るものだが、これらに限定されるものではなく、パルス繰り返し間隔(PRI)およびパルス幅(PW)によって規定されるサイクル時間の単位での各パラメータの使用効率を最適なものとする。入力パラメータは、熱、循環、超音波、および化学反応を含み、これらは順に、および/または同時に用いられて支持体除去の効率を最適なものとする。次いで、および/または同時に、熱、ポンプ循環、超音波が、利用状況または強度の点で変化する。アジテーション手段の選択は、支持体除去タンクからの監視フィードバックおよび統計的に動的なルールベースシステム(SDRBS)の適用に基づく。
Claims (20)
- 部品から支持材料を除去する方法であって、
支持材料を有する部品をチャンバ内に投入し、前記チャンバが媒体を内部に備えており、
第1の時間間隔のために前記媒体の第1の組のパラメータを設定し、
前記第1の時間間隔が終わるまでに、前記第1の組のパラメータを有する前記媒体が前記第1の時間間隔中に前記支持材料に与えた第1の効果を、前記チャンバ内の前記部品を監視するために動作可能に配置された第1のセンサを介して測定し、
前記第1のセンサからの測定値を分析し、
第2の時間間隔のために前記媒体の第2の組のパラメータを決定し、
前記第2の時間間隔に前記第2の組のパラメータへと前記媒体を調整し、
該方法の実行時間が尽きるまで、複数の連続する時間間隔にわたって該方法を繰り返し、
該方法の前記実行時間が尽きた後に前記チャンバから前記部品を取り出すことを含む方法。 - 前記媒体は、流体、複数の研磨用物体、またはその両者の組み合わせである請求項1記載の方法。
- 前記チャンバ内に配置された第2のセンサを介して前記媒体の前記第1の組のパラメータを測定することをさらに含む請求項1記載の方法。
- 前記媒体の前記第1の組のパラメータは、温度、媒体圧力、またはアジテーション強度である請求項3記載の方法。
- 前記第1の組のパラメータを設定するために、ユーザから一連のデータを受け取ることをさらに含む請求項1記載の方法。
- 前記第1のセンサは、光学センサ、赤外線センサ、熱センサ、または音響センサである請求項1記載の方法。
- 前記第1の組のパラメータは、パラメータの過去データベースから決定される請求項1記載の方法。
- 前記部品にくっついたままの支持材料の量を割り出すために、前記媒体が前記第1の時間間隔中に前記部品に与えた前記効果が、前記部品のコンピュータ生成モデルと比較される請求項1記載の方法。
- 前記第2の組のパラメータを有する前記媒体が前記第2の時間間隔中に前記支持材料に与えた第2の効果を、前記第1のセンサを介して測定することをさらに含み、前記第1の時間間隔が、前記第2の時間間隔よりも長い請求項1記載の方法。
- 前記部品は、積層造形で作成され、前記積層造形により生じた支持材料を含んでいる請求項1記載の方法。
- 支持材料除去用の装置であって、
支持材料を有する部品を受け入れるべく動作可能に配置されたチャンバと、
前記チャンバ内に配置され、前記部品を包み込む媒体と、
前記チャンバ内の前記媒体の温度を変化させるべく配置された温度制御ユニットと、
前記チャンバ内の前記媒体をアジテートすべく配置されたアジテータと、
前記チャンバ内の前記媒体を循環させるべく動作可能に配置されたポンプと、
前記媒体の第1の組のパラメータを検知すべく動作可能に配置された第1のセンサと、
前記第1のセンサと通信可能に接続された制御ユニットを有し、
該装置の動作中に、前記第1のセンサが前記制御ユニットへと前記第1の組のパラメータを送信し、前記制御ユニットが前記第1の組のパラメータを分析して前記媒体の第2の組のパラメータを決定し、前記制御ユニットが前記第2の組のパラメータを前記温度制御ユニット、前記ポンプ、および前記アジテータへと出力する装置。 - 前記部品は、積層造形で作成され、前記支持材料は、前記積層造形により生じたものである請求項11記載の装置。
- 前記部品から除去された前記支持材料の量を測定すべく前記チャンバ内の前記部品を監視するために動作可能に配置された第2のセンサをさらに含み、前記第2のセンサは前記制御ユニットへと測定値を送信し、前記第1の組のパラメータと組み合わせて前記測定値が前記制御ユニットで分析されて、前記媒体の前記第2の組のパラメータが決定される請求項11記載の装置。
- 前記第2のセンサは、光学センサ、赤外線センサ、熱センサ、または音響センサである請求項13記載の装置。
- 前記媒体は、流体、複数の研磨用物体、またはその両者の組み合わせである請求項11記載の装置。
- 前記パラメータは、媒体圧力、アジテーション強度、または温度を含む請求項11記載の装置。
- 部品から支持材料を除去する方法であって、
チャンバ内に配置された媒体の第1の組のパラメータを決定し、
第1の時間間隔中、前記第1の組のパラメータを有する前記媒体へと、支持材料を有する部品を委ね、
前記第1の時間間隔が終わるまでに前記媒体の第2の組のパラメータを決定し、
前記第1の時間間隔より短い第2の時間間隔中、前記第2の組のパラメータを有する前記媒体へと、前記支持材料を有する部品を委ね、
該方法の実行時間が尽きるまで、複数の連続する時間間隔にわたって該方法を繰り返し、
該方法の前記実行時間が尽きた後に前記媒体から前記部品を取り出すことを含む方法。 - 前記媒体が前記第1の時間間隔中に前記支持材料に与えた効果を、処理中の前記部品を監視するために動作可能に配置されたセンサを介して測定し、
前記媒体が前記第1の時間間隔中に前記部品に与えた前記効果を、前記部品のコンピュータ生成モデルと比較し、
前記部品にくっついたままの前記支持材料の量を割り出すことをさらに含む請求項17記載の方法。 - 前記媒体の前記第1の組のパラメータを設定するために、ユーザから一連のデータを受け取り、
前記媒体からデータを読み取るために動作可能に配置されたセンサを介して、前記媒体の温度、アジテーションレベル、またはポンプ圧力を測定し、
前記媒体の測定値を用いて前記媒体の前記第2の組のパラメータを決定することをさらに含む請求項17記載の方法。 - 前記媒体は、流体、複数の研磨用物体、またはその両者の組み合わせである請求項17記載の方法。
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