The AVI inspection machine for appearance defects of 3C products is mainly used for defect detection of 3C product appearance, improving production line yield and the process control capability of manufacturers. The main application areas include mobile phones, laptops, tablets, LCD modules, wearable devices, televisions, etc.
The detectable defects include surface scratches, burrs, damages, pressure marks, broken edges, notches, hidden cracks, burrs, warping, foreign objects, dirt, white spots, bubbles, pinholes, bumps, etc.
Project |
Performance index |
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Equipment model |
K2000 series (online), M200 series (offline) |
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Detection system |
Detection range |
1.8-40 inches, maximum 1000 x 480mm |
Detection area |
Front, back, and side, etc |
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Testing items |
Scratches, damages, crushing, chipping, gaps, hidden cracks, burrs, warping |
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Foreign objects, dirt, white spots, bubbles, pinholes, bumps and depressions |
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Errors, omissions, reversals, excesses, skews, offsets, color differences, dimensions, segment differences, etc |
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One dimensional or two-dimensional code reading, character OCR, printing defects, etc |
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Improper assembly (piano cover not tightly closed, FPC inserted incorrectly, etc.) |
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Detection accuracy |
Minimum detectable defect size 10um × 10um |
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Over inspection rate |
<10%, with an average misjudgment of<2 images/piece |
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Detection speed |
Based on actual needs |
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Machine utilization rate |
≥90% |
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Change line time |
New model switching time:<60 minutes |
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Existing model switching time:<20 minutes |
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Optical system |
Large area array camera/line scan camera+local area array camera (multi station combination shooting imaging) |
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Linear side light/linear coaxial light source/combination light source, etc |
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Customized professional optical lenses |
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Positioning system |
Support panoramic positioning or Mark positioning |
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Electromechanical system |
Sheet metal frame structure+marble platform to enhance equipment stability and plane reference |
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Using linear motors for transplanting and transporting materials, with high precision and speed |
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The detection platform adopts servo motor+linear module/linear motor/DD motor, which has high precision and rigidity |
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Adopting servo motor+screw module/belt module, used for material code reading, visual positioning calibration and other mechanisms |
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Adopting SMC/AirTac pneumatic and vacuum system |
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Loading and unloading methods |
Card clip storage mode |
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Tray disk storage mode |
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CV transmission mode |
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Material box conveying mode |
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Type of transportation |
CV conveyor, anti-static belt conveyor |
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Four axis/six axis robot handling |
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Multi axis servo motor+linear module/linear motor architecture handling |
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Forklift handling and transportation |
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Flip over |
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Software function |
Otek with proprietary intellectual property rights ® AOI Industrial Application Testing Software |
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Usability: intuitive and user-friendly graphical display interface, intelligent parameter setting function |
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Humanization: optional alarm function, and the alarm function can be customized (such as the defect rate upper limit alarm function) |
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Quick switching function: Different products can edit and call different recipes |
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Data security and fast positioning: Abnormal images can be 100% saved and retained: OK saved image+NG thrown material saved image; The image can be zoomed in and out, and the abnormal location of AOI inspection can be identified; Abnormal images stored for more than three months, with a minimum storage space of 2T |
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Advanced permission settings: equipped with a window for adjusting the interception rate and setting different permissions |
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Quick integration with customer information system interface: The detection result data can be saved and uploaded to the CIM system |
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Detection algorithm |
Processing algorithm |
Otek ® AOI detection algorithm+AI artificial intelligence re evaluation system |
Symbologies |
Supports reading multiple Vericode codes, corresponding to Normal Type, Normal HD Type Vericode, Outline Type Vericode, and DM Type Vericode |
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Others |
Safety protection |
Safety grating/safety door lock: used for personnel safety protection |
FFU: Used for clean equipment to achieve Class 1000 and Class 100 cleanrooms in internal spaces |
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Static electricity: The material in contact with the product is made of anti-static material and equipped with an ion air rod to eliminate static electricity |
Defect image