Our Lemon Sorting and Grading Machine is designed for citrus fruits, especially lemons. It uses high-resolution optical imaging and weight-sensing technologies. It performs multi-dimensional grading based on size, color, and surface defects.
This system serves fresh fruit packing plants, cooperatives, or exporters. It enables a significant improvement in grading consistency and packaging efficiency.

Working Principle of Lemon Sorting Machine
Our lemon sorting machine adopts a combination of intelligent optical vision detection and dynamic weighing technology, realizing fully automatic sorting without manual intervention:
- Gentle Feeding: Soft-lined hopper ensures even feeding, preventing pile-up and damage.
- Optical Detection: Multi-angle cameras & LED lighting identify rot, scab, sunburn, and color defects.
- Size & Weight Grading: Adjustable roller gaps and weighing modules sort by diameter and weight.
- Intelligent Rejection: High-speed pneumatic system automatically removes defective lemons.
- Automatic Collection: Graded lemons are directed to chutes and boxes for continuous operation.

Key Features of Lemon Size Sorting Machine
- Precise Grading: The lemon size sorting machine achieves ±1mm size accuracy and ±0.5g weight accuracy, supporting 3-12 adjustable grading levels to meet different market demands.
- High Efficiency: Single-line processing capacity ranges from 1-8 tons/hour (customizable), supporting 24-hour continuous operation to handle peak harvest seasons.
- Zero Damage: Soft conveyor belts and gentle handling design prevent bruising and skin damage, ensuring the integrity and quality of lemons.
- Food-Grade Safety: Contact parts are made of 304 stainless steel, corrosion-resistant, easy to clean, and compliant with FDA and CE international standards.
- Intelligent Operation: Touchscreen control panel, easy to set grading parameters; real-time monitoring of production status, automatic generation of sorting reports.
- Strong Adaptability: Not only suitable for lemons, but also adjustable for other citrus fruits such as oranges, mandarins, and limes, realizing multi-purpose use.

FAQ
Q1: What can your lemon sorting machine sort by?
A1: Size (diameter), weight, color, and surface defects (rot, mold, scab, mechanical damage), with multiple customizable grades.
Q2: Is it suitable for different lemon varieties?
A2: Yes. Pre-set algorithms for various varieties, with adjustable grading parameters for optimal results.
Q3: What is the processing capacity?
A3: Standard 1–8 tons/hour; higher capacity models customizable for industrial lines.
Q4: Do you provide after-sales service?
A4: Yes. Installation, commissioning, training, 1-year core component warranty, lifelong technical support, and long-term spare parts supply.
Contact Us
If you are looking for a high-precision, high-efficiency lemon sorting machine for your plantation or processing factory, don’t hesitate to get in touch with our professional sales team now for a personalized solution and quote!





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