The Test Research Inc. (TRI) TR7550, introduced around 2010, is an
Automated Optical Inspection (AOI) system designed for high-speed,
inline inspection of printed circuit boards (PCBs) in electronics
manufacturing. It utilizes a top-view 3-CCD color camera and four
angled cameras to optimize test coverage, employing TRIs dynamic
imaging technology to minimize vibrations and provide accurate, stable
inspections before and after reflow soldering processes.
Key features of the TR7550 include:
- High-Speed Inline Color AOI: Ensures comprehensive inspection
coverage.
- Precise 3-CCD Color Camera: Capable of inspecting 01005 fine-pitch
components.
- Advanced RGB+W Lighting System: Enhances detection of solder and
markings.
- Linear Motor X-Y Table: Provides vibration-free, accurate
inspection.
The system is suitable for inspecting various component defects such
as missing components, tombstoning, billboarding, polarity issues,
rotation, shift, wrong marking (OCV), defective components,
upside-down placement, lifted components, solder excess, insufficient
solder, bridging, through-hole pins, lifted leads, and golden finger
scratches or contamination.
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