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  • Can Single Color Sorter Handle Multiple Materials?
    Jun 25, 2025
    Can Single Color Sorter Handle Multiple Materials? Yes, a single color sorter can handle multiple materials, but its effectiveness depends on several factors, including the type of materials, their color differences, and the sorter's technology. Here’s how it works:   1. How a Color Sorter Handles Multiple Materials Color sorter machines use optical sensors (CCD cameras, or near-infrared  camera) to detect differences in:   - Color (RGB, grayscale)   - Reflectance (how light bounces off the material)   - Shape/Size(if combined with AI vision)     If the materials have distinct color differences, the sorter can separate them by programming different rejection criteria.   Examples:   ✔ Plastic Recycling: Sorting PET (clear/blue) or HDPE (white/black/red/blue/yellow).   ✔ Food Processing: Separating green vs. black coffee beans, or defective grains.   ✔ Mining/Ore Sorting: Differentiating colored minerals (e.g., quartz vs. feldspar).      2. Limitations & Challenges - Similar Colors: If two materials look alike (e.g., white PVC and white PET), a basic color sorter may struggle.   - Surface Texture: Glossy vs. matte finishes can affect accuracy.   - Speed vs. Accuracy: More materials = slower sorting or higher error rates.      3. Solutions for Sorting Multiple Materials   - Multi-Spectral Sorting: Uses NIR + RGB cameras to detect chemical composition (e.g., different plastics).   AI + Machine Vision: Trains the sorter to recognize subtle differences beyond color.     4.Cases of Multi-Function Sorting Effect Demonstration   
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  • What is CCD color sorter?
    Feb 28, 2022
    CCD color sorter is a machine used in the food industry to efficiently and accurately sort grains, nuts, seeds, and other food products by color. It utilizes a high-quality Charge-Coupled Device (CCD) camera technology to scan each food product and detect any color defects, such as discoloration, mold, or other impurities. Each product is then sorted and separated into different channels based on their color and quality. This technology helps to improve food quality, reduce waste, and increase efficiency in the food processing industry.
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