Size Grading Machine for Fruits and Vegetables

Foodline’s size grading machine aims to sort fruits and vegetables fruits and vegetables based on their dimensions. It separates produce into different size categories according to preset grading ranges. This size grading equipment is suitable for potatoes, apples, oranges, onions, tomatoes, and other fruits and vegetables. It can work alone or connect with washing, drying, conveying, and packing equipment. Contact us for a free quote!

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Foodline Size Grading Machine for Sale

The size grader machine is a piece of mechanical grading equipment used for fruits and vegetables. It separates fruits and vegetables into different grades based on their size.

This fruit and vegetable grader machine utilizes a grading structure featuring varying gaps, apertures, or spacings. Fruits and vegetables of different sizes are directed into corresponding discharge zones. The grading parameters can be adjusted to match the specific sizes of the fruits or vegetables.

Our size sorting machine helps reduce manual sorting labor and enables continuous operations in fruit and vegetable processing plants.

Manual Sorting vs. Machine Sorting

Comparison Item	Manual Sorting	Machine Sorting
Processing Capacity	Low	High
Labor Requirement	High	Low
Grading Method	Manual	Mechanical/Automatic
Continuous Operation	Limited	Supported
Grading Standard	Depends on the worker	Set by the machine

For large-scale processing needs, machine sorting can handle higher volumes of produce while reducing labor input.

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How Does It Work?

The basic grading process of the size grading machine is as follows: Feeding → Conveying → Size Sorting → Discharge

1. Feeding – Produce to be graded enters the machine through the feed inlet.
2. Conveying – A conveyor belt transports the produce into the grading zone.
3. Size Sorting – Produce passes through grading gaps or apertures. Items of different sizes are directed to different outlets.
4. Discharge – Produce of each size grade is discharged from its respective outlet and proceeds to the next stage of processing.

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Types of Fruit and Vegetable Size Graders

1. Roller grading machine

It uses parallel rollers to separate fruits and vegetables by size. Different gap settings between the rollers create distinct grading ranges.

This equipment is suitable for round and oval fruits and vegetables that can handle contact during grading. It can sort potatoes, onions, sweet potatoes, oranges, apples, and other round and oval fruits and vegetables.

2. Drum grading machine

It utilizes a drum featuring apertures of varying sizes. As the produce moves inside the drum, smaller items fall through the apertures first.

This equipment is suitable for round fruits and vegetables that can withstand minor contact during the grading process. It can sort apples, pears, mandarins, oranges, and other round fruits and vegetables.

3. Track grading machine

It moves fruits and vegetables along a sorting track. The track structure separates produce into different size grades.

This equipment is suitable for small fruits and delicate produce prone to impact damage. It can sort blueberries, strawberries, cherry tomatoes, cherries, lychees, etc.

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Specifications of Foodline Fruit and Vegetable Size Grading Machine

Parameter	Roller Grader	Drum Grader	Track Grader
Power	3 KW	1.5 KW	0.55 KW
Voltage	380V	380V	220V / 380V
Machine Dimensions (L×W×H)	6500 × 2000 × 1000 mm	5010 × 1010 × 930 mm	4000 × 700 × 900 mm
Machine Weight	—	500 KG	110 KG
Sorting Size Range	30 – 70 mm (customizable)	—	—
Sorting Levels	3 – 6 levels	3 – 10 levels	3 – 6 levels
Capacity	2000 – 4000 KG/H	2000 KG/H	500 – 900 KG/H

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Application Scenarios for Fruit and Vegetable Sizing Machine

Our fruit and vegetable sorting machine is widely used in various processing environments:

1. Potato Processing Plants – Grading potatoes prior to processing or packaging.
2. Fruit Processing Plants – Grading fruits such as apples, oranges, and pears by size.
3. Vegetable Processing Plants – Grading vegetables such as onions, tomatoes, and potatoes.
4. Fresh Produce Packaging Lines – Sorting produce by size before packaging.
5. Fruit and Vegetable Processing Lines – Integrating sorting equipment with washing, drying, conveying, and packaging systems.
6. Agricultural Produce Processing – Grading fresh fruits and vegetables after harvesting and washing.

Processing Potatoes, Apples, or Berries? Tell Us Your Produce – We’ll Propose the Best Grader

How to Choose a Size Grader?

Before purchasing a fruit and vegetable size grading machine, please consider the following points:

1. What product do you need to grade?

Please specify the type of fruit or vegetable to be processed, such as potatoes, onions, apples, oranges, or tomatoes.

2. What is the product size range?

Please provide the minimum and maximum product dimensions; this helps determine the grading range.

3. How many grading levels do you need?

Please specify the number of size categories required (e.g., 3, 4, 5, or 6 levels).

4. What processing capacity do you require?

Please state your target processing capacity, such as 1 ton/hour, 2 tons/hour, 5 tons/hour, or 10 tons/hour.

5. What are your grading accuracy requirements?

Please provide the size limits for each grade; this helps us determine the appropriate grading mechanism.

Need 3, 5, or 10 Grading Levels? Send Your Requirements and We’ll Design Accordingly

Customization Options

Foodline can customize the fruit and vegetable size grading machine to meet your production needs:

• Number of grading levels
• Grading size range
• Feeding method
• Discharge method
• Processing capacity
• Voltage

Contact Us for Fruit and Vegetable Size Grading Machine Pricing

Foodline is a manufacturer and supplier specializing in the R&D, production, and sales of fruit and vegetable grading equipment.

Our size grading machine has been exported to countries such as Saudi Arabia and France. In addition to size grading equipment, we also provide weight sorting machines and color sorting machines for for different food products.

Feel free to contact Foodline to discuss your grading project and inquire about equipment pricing.