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 TRI´s 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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