The AOI inspection instrument has some functions such as inspection of components on the electronic circuit board welding pad, inspection of the PCB light board, and inspection of the post-weld components. The general procedure for component inspection of the AOI inspection system is to automatically count the printed circuit board of the assembled components and start inspection; check the lead side of the printed circuit board to ensure proper alignment and bending of the lead ends; Whether there are component missing, wrong components, damaged components, improper component mounting direction, etc. on the front of the board; check the type, direction and position of the attached IC and discrete components; check the markings on the IC components print quality inspection, etc. Once the AOI finds a defective component, the system signals the operator or trigger actuator to automatically remove the defective component. The system analyzes the defects, provides the defect type and frequency to the host computer, and makes necessary adjustments to the manufacturing process. The efficiency and reliability of AOI inspection depends on the integrity of the software used. AOI also has the advantages of convenient usage, easy adjustment, and no need to program the visual system algorithm.
The above is the automatic optical inspection (AOI) using high-speed, high-precision visual processing technology to automatically detect various mounting errors and soldering defects on the PCB. PCBs range from fine pitch high density boards to low density large size boards and offer in-line inspection solutions to increase productivity and weld quality.
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The solderability handling of components is actually the tin plating of the cleaned components’ lead. Tin plating is a very important process in manual welding operations. Only the welded surfaces of the components are welded,so that the reliability and speed of welding will improve and reduce th...
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