JP2021511226A - 三次元コンポーネントの付加製造における製造精度を監視するシステム及び方法 - Google Patents
三次元コンポーネントの付加製造における製造精度を監視するシステム及び方法 Download PDFInfo
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Abstract
Description
Claims (9)
- 三次元コンポーネントの付加製造における製造精度を監視するためのシステムであって、
二次元検出器アレイ(1)及び少なくとも1つのレーザー放射源(4)で形成され、電磁放射線が粉末材料又はペースト状で存在する材料の領域に向けられ、局所的に規定されたエネルギー流入の結果として三次元コンポーネントの少なくとも1つの領域が生成される複合照明検出素子(12)と、
レーザー放射源(4)によって照射される面内/上に発生するスペックルを空間的に分解された態様で検出可能に構成されている検出器アレイ(1)と、
を備え、
検出器アレイ(1)によって空間的に分解された態様で捕捉されたスペックル信号は、電子評価制御回路(3)に供給可能であり、
電子評価制御回路(3)は、製造プロセスに影響を及ぼすように実装された電子開ループ及び閉ループ制御装置に接続されており、
熱スペックル励起は、別個のエネルギービーム(10)又は三次元付加製造のための粉末材料又はペースト状で存在する材料に局所的に規定された態様でエネルギーを導入するために使用されるエネルギービームを使用して達成可能である、
システム。 - 前記システムは、粉末材料又はペースト状で存在する材料(7)の供給又は平滑化装置(8)に直接取り付けられ、前記供給又は平滑化装置(8)と共に移動可能であることを特徴とする、
請求項1に記載のシステム。 - 前記二次元検出器アレイ(1)と、少なくとも1つの前記レーザー放射源(4)と、前記電子評価制御回路(3)とが、1つの回路キャリア上に一緒に配置されていることを特徴とする、
請求項1又は2に記載のシステム。 - 別個のエネルギービーム(10)が反射素子(11)に入射し、それによって反射されたエネルギービーム(10)が粉末材料又はペースト状で存在する材料(7)の領域に入射し、
前記領域は、前記レーザー放射源(4)によって照射されない及び/又は検出器アレイ(1)によって検出されないことを特徴とする、
請求項1〜3のいずれか1項に記載のシステム。 - 前記反射素子(11)は、粉末材料又はペースト状で存在する材料(7)用の供給又は平滑化装置(8)に取り付けられ、
前記供給又は平滑化装置(8)とともに移動可能に構成されていることを特徴とする、
請求項1〜4のいずれか1項に記載のシステム。 - 前記レーザー放射源(4)は、レーザーダイオード又はレーザダイオードアレイであり、及び/又は、前記検出器アレイ(1)がCCD又はCMOSアレイであることを特徴とする、
請求項1〜5のいずれか1項に記載のシステム。 - 材料の供給は、液滴塗布装置、特に印刷装置、レーザクラッディング用の装置、又は付加製造プロセス用の粉末供給であり、前記平滑化装置(8)はドクターブレードである、
請求項1〜6のいずれか1項に記載のシステム。 - 材料(7)と前記レーザー放射源(4)及び/又は前記検出器アレイ(1)との間に、光学フィルタ(1a)及び/又は光ビーム整形素子(1b)、特に光学レンズが配置されていることを特徴とする、
請求項1〜7のいずれか1項に記載のシステム。 - 請求項1〜8のいずれか1項に記載の装置を用いた三次元コンポーネントの付加的な製造中の製造精度を監視する方法であって、
前記レーザー放射源(4)を用いて、粉末材料又はペースト状で存在する材料の領域に電磁放射線を照射することにより、局所的に規定されたエネルギー流入の結果として三次元コンポーネントの少なくとも1つの領域を生成し、
前記レーザー放射源(4)によって照射された表面に発生するスペックルが空間的に分解された態様で検出されるように、前記検出器アレイ(1)を配置、実装し、
前記検出器アレイ(1)によって空間的に分解された態様で捕捉されたスペックル信号を、前記電子評価制御回路(3)に供給し、
前記電子評価制御回路(3)によって評価されたスペックル信号を、製造プロセスに影響を及ぼすように実装された電子開ループ及び閉ループ制御装置に送信し、
熱スペックル励起を、別個のエネルギービーム(10)又は三次元付加製造のための粉末材料又はペースト状で存在する材料に局所的に規定された態様でエネルギーを導入するために使用されるエネルギービームを使用して達成し、
電子開ループ及び閉ループ制御装置を使用して、製造プロセスが終了するか、又は、捕捉及び評価されたスペックル信号を考慮して、製造不良、特に材料(7)の供給中のエラーが、事前に確認された正確に供給された材料(7)のスペックル信号からの逸脱が決定された場合に補償されるように続いて影響される、
方法。
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CN111837026A (zh) | 2020-10-27 |
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GB2583658B (en) | 2022-12-07 |
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