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                                                                                                                                                              您的位置>首頁>新聞動態> 如何自動檢測產品尺寸和外觀缺陷?

                                                                                                                                                              發布時間: 2022-06-21    瀏覽量:72

                                                                                                                                                                在工業生產中,使用機器視覺檢測設備的系統具有測量功能,可以自動測量產品的外觀尺寸,如輪廓、孔徑、高度、面積等尺寸的測量。

                                                                                                                                                                尺寸檢測是生產過程和產品生產完成后的質量檢測中必不可少的步驟。機器視覺在尺寸檢測方面有其獨特的技術優勢,可以節省人力成本,給企業帶來可觀的效益,因此應用越來越廣泛。如何自動檢測產品尺寸和外觀缺陷?-機器視覺_視覺檢測設備_3D視覺_缺陷檢測

                                                                                                                                                                機器視覺的尺寸檢測是基于相對測量法,通過溯源、放大標定、自動邊緣提升和屏幕圖像測量來計算物理尺寸。

                                                                                                                                                              尺寸視覺檢測


                                                                                                                                                                在測量中,要求放大倍數在35*以上,以獲得微米級的精度。此時,視線的寬度小于5mm。對于5mm以上的測量對象,需要將位移解析讀數與窗口測量相結合。

                                                                                                                                                                對于微小尺寸的測量,通過安裝高倍工業鏡頭或顯微鏡頭,機器視覺系統可以用于所有領域,從微小的生物細胞直徑和數量到微小的裝配間隙尺寸,到更小的機械零件和電子產品的尺寸測量。

                                                                                                                                                                機器視覺檢測是一種非接觸式測量方法,不僅可以避免對被測物體的損傷,而且適用于高溫、高壓、流體、環境危險等無法接觸被測物體的場合。代替人工操作,保證生產效率。

                                                                                                                                                                目前,產品尺寸檢測的方法很多,但大多重復性低、效率高、一致性差。事實表明,基于機器視覺技術的尺寸測量連續性好、精度高,大大提高了工業在線測量的實時性和準確性,同時生產效率和產品質量控制也有明顯提高。

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