Strawberry Color Sorter Machine | Optical Sorting for Berries

Our strawberry color sorter machine uses high-resolution CCD sensors. As strawberries move on a high-speed belt, sensors identify and reject defects in real time. This technology helps significantly improve product uniformity and yield.

Strawberry Color Sorter: Working Principles

• Feeding and Singulation: A vibrating feeder evenly spreads out the strawberries, ensuring that each individual fruit passes through the inspection zone in isolation.
• Multi-Angle Image Acquisition: High-resolution CCD cameras (combining color and near-infrared imaging) capture the surface color (RGB), shape, size, and potential defects (such as black spots or powdery mildew) of the strawberries from multiple angles.
• Intelligent Algorithmic Analysis: A deep learning-based recognition system performs millisecond-level assessments based on pre-configured ripeness grades (e.g., fully red, pink, green) and defect thresholds.
• Precise Rejection: High-speed air nozzles, guided by precise positioning signals, eject substandard fruit or foreign objects into designated reject chutes, while high-quality fruit continues along the approved channel.

The Strawberry Color Sorter Machine: Features and Advantages

• High-Precision Color Recognition:The system’s 256-level grayscale and color sensors ensure ≥95% uniform ripeness per package.
• Gentle Handling Design: These specialized chutes and low-velocity air nozzles prevent mechanical damage to delicate strawberries, thereby minimizing juice loss.
• Simultaneous Multi-Grade Sorting: In a single pass, the machine can simultaneously separate premium-grade (fully red), Grade 1 (mostly red), and substandard (green/diseased/rotten) fruit.
• Self-Cleaning System: The system features dust-sealed lenses and an automated cleaning module, allowing it to operate reliably in the high-humidity environments typical of strawberry sorting operations.

Strawberry Color Sorter: Application Scenarios

• Fresh-Market Strawberry Packaging Lines: Separates fully red berries from pink berries to ensure consistent color uniformity across all retail packaging units.
• For Frozen Strawberries: The system removes immature green fruit and foreign objects (such as leaves and insects) in advance, thus enhancing the quality of the final frozen product.
• For Jam/Juice Raw Materials: Only qualified red fruit remains in the final output, which prevents the tartness and astringency typically associated with green fruit.

Strawberry Sorter FAQ

Q1: Can this machine sort organic strawberries?

A: Yes. Our sorting process is purely physical and involves no chemical treatments, making it fully compatible with organic production lines.

Q2: Will variations in strawberry size affect the sorting performance?

A: No, it will not. The equipment analyzes fruit based on two dimensions—color and shape—and is independent of size. Additionally, if size-based grading is required, an optional size-grading module is available.

Q3: How do I clean the machine?

A: We recommend cleaning all contact surfaces with low-pressure water after each shift.