■Improving efficiency by combining optical comb laser and image inspection
Automating inspection is extremely difficult because there are a wide variety of defects that need to be inspected, and it is realistically impossible to detect them all with a single sensor. Using different sensors to detect different types of defects takes time and costs, and as a result, becomes a major barrier to automating inspections.
Optical comb sensors can detect defects over a very wide range, but optical comb sensors and optical cameras are complementary in their detection capabilities. For example, a stain without a three-dimensional shape can be detected by an optical camera, but cannot be detected by an optical comb sensor. In addition, foreign objects made of the same material cannot be detected with an optical camera because there is almost no color difference, but they can be detected with an optical comb sensor.
Therefore, by using a hybrid method that combines an optical comb sensor and an optical camera, it is possible to realize a wide range of defect detection by utilizing this complementary relationship. In addition, by taking advantage of the high speed of the optical camera, the optical camera detects defects with a slight over-detection, and only the detected defects are detected by the optical comb sensor, thereby achieving a significant reduction in cycle time while automatically It also makes it possible to carry out inspections.
■Problems that can be solved
Visual inspection
Main features
■High-speed inspection solution
Takt time is reduced by performing image inspection using a camera and quantitative inspection using an optical comb scanner only for areas with abnormalities. A solution that can be integrated into manufacturing inline.
■Image inspection using an optical camera
We detect defects in the entire product using an optical camera that can cover a wide range.
■Quantitative inspection using optical comb 3D sensor
We perform quantitative inspections to ensure that quality control standards are met based on the locations of scratches and burrs detected with an optical camera.
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