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Coaxial light inspection serves as a core machine vision technology to identify subtle differences on workpiece surfaces. Based on coaxial optical path design, it addresses common challenges caused by conventional lighting: strong reflection interference, blurred fine details and low contrast between qualified and defective parts. This article explains the principle of coaxial light for difference discrimination in machine vision, and compares its limitations with ring lights, bar lights and other traditional illuminators. It highlights the technical strengths, applicable scenarios and practical value of **KCS Machine Vision Light** coaxial light units. This product effectively visualizes tiny scratches, uneven textures, embossing deviations and micro bumps or dents on precision components. Widely used for metal, glass, wafer and PCB inspection, it provides a reliable lighting solution for high-precision automated machine vision quality inspection.
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As a professional technology-driven manufacturer of industrial vision lighting equipment, KCS integrates independent product design, standardized mass production and personalized customized production into one-stop service. Our full-series KCS machine vision light covers Machine Vision Bar Light, Machine Vision Dome Light and customizable vision light products. Adopting mature industrial lighting technology, our high-precision industrial vision lighting and defect inspection light can fully adapt to diverse industrial detection scenarios, delivering stable, high-uniformity lighting for automated defect detection and precision quality inspection.
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Detect surface defects on the gold needle Project requirements: Detect surface defects on the gold needle. The defects must be clearly visible and distinct from the background. The actual product is shown in the following picture.
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The global machine vision lighting industry continues rapid expansion in 2026, driven by booming factory automation and intelligent quality inspection demands. Visual ring-shaped light source and standard Machine Vision Light have become core supporting components for industrial detection systems. As a professional machine vision light source manufacturer and mechanical vision light source production factory, KCS observes that standardized, adjustable, and customizable lighting solutions are gradually replacing traditional fixed light sources. The upgradedKCS Machine Vision Ring Light and KCS Machine Vision Light with 24V dimming function perfectly match CCD industrial camera equipment, meeting the high-precision requirements of modern automated inspection lighting.
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