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Selection of Visual Control System for AOI Automatic Optical Detector

2018-01-09 19:06

The visual control system of AOI automatic optical detector is mainly selected by the combination of CCD industrial camera and light source.

How to choose the right CCD camera

The camera of AOI automatic optical detector is divided into area array camera and linear array camera according to the mode of taking images. The area array camera takes images by taking pictures one by one. The linear array camera takes images in a line-by-line scanning mode. The advantages of the area array camera are that the image has good reducibility, the lighting angle is easy to adjust, and it is easy to obtain clearer images. Therefore, most manufacturers of AOI automatic optical detectors on the market use such cameras. Linear array camera has poor image reducibility and difficult adjustment of lighting angle. It is the AOI automatic optical detector with the highest misjudgment rate at present. The only advantage of AOI automatic optical detector using this kind of camera is that the detection speed is relatively faster, but its detection speed is relatively slower when detecting small plates. Therefore, it is best to choose plane array camera for camera selection.

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