Mobile phone frame dispensing is generally used by manual or automated equipment to dispense the entire frame in accordance with a set coordinate system. It requires uniform dispensing, no accumulation, no missing dots, and the width of the dispensing should be moderate. The purpose of the glue is to press the screen and the frame of the mobile phone to be bonded. The accumulation will cause the excess glue to overflow or stick on the circuit board and cause hidden troubles. The leak glue will cause the gap between the frame and the rear pressure screen to cause gaps and may cause dust. , water stains immersed.
Mobile phone border - original
Difficulties in detection: The glue of the two borders is not the same, the glue of the white border is transparent solid glue, the glue of the black border is black solid glue, the two glues are close to the background of the border, and the background and glue are The difference is not obvious will form the detection interference, so the background and glue need to be clearly distinguished in the imaging, reducing the interference to the later software processing is relatively simple.
Solution: After the above difficulties are analyzed by the telecentric optical technology team of BTSOS, such detection problems can be solved using megapixel cameras, BT-2396 dual telecentric lenses, and stripe light.
Using this solution, the background of the phone frame can be clearly separated from the glue, and the detection software can easily recognize the status of the glue when it is crawled.
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