APPLE SORTING

Sorting apples This is a key step in preparing fruit for sale and distribution, affecting its quality and market value. We offer modern apple sorting lines equipped with vision systems and precise weighing, ensuring high efficiency and process repeatability.

Line to Apple Sorting

Red and green apples move along a conveyor belt in a modern factory with red machinery and bright lighting, where an apple sorting machine efficiently operates fruit sorting and packaging equipment in the background.

Classification and sorting apples

We are the only manufacturer in Poland and Central and Eastern Europe comprehensive, technologically advanced apple sorting lines. The electronic sorting machines offered by our company are equipped with a tensometric weighing system and innovative vision system for product classification according to various parameters such as size, color and quality (external and internal).

A red outline of an apple wrapped in a measuring tape, enclosed in a red circle on a white background, symbolizing nutrition or healthy eating - perfect for promoting an apple sorting machine.

Weight - real-time measurement accuracy

In lines equipped with a strain gauge weighing system, electronic sensors with digital filtering and noise reduction measure the weight of each apple in real time, stabilizing readings and facilitating order picking for specific weight classes. This is the heart of a professional sorting machine in applications where product weight is a key commercial criterion.

The red outline of a 3D cube is centered within a red circle, with two red arrows pointing horizontally and vertically—suggesting precise measurements, much like an apple sorting machine. The design is minimalistic against a white background.

Size – precise calibration of diameter and shape

Apples are classified by size based on a series of photos and shape analysis. Vision system algorithms precisely distinguish between sizes, ensuring batch uniformity and consistent packaging appearance.

An icon of a red eyedropper with a single drop falling from its tip, enclosed in a red circle on a light gray background, symbolizing the precision of an apple sorting machine.

Color – control of color and blush

Industrial cameras analyze the degree of color and blush. Grading thresholds can be easily adjusted to meet local and export market requirements. The apple sorting machine maintains consistent color grading even under varying lighting conditions.

A red outline of a magnifying glass with a marker inside, enclosed in a red circle on a white background, symbolizing precision and quality control for an apple sorting machine.

Quality – commercial vs. industrial selection

The vision system inspects the surface of each fruit, detecting external defects (e.g., mechanical damage, stains, cracks) and—in advanced configurations—indicating internal defects. This allows for the reliable separation of commercial and industrial apples and the creation of quality subclasses for specific contracts.

Selecting a solution to scale and process

Mono Line compact single-track

MONO machine is a compact and professional solution designed for small and medium-sized farms. Designed for sorting spherical fruits and vegetables with a diameter of 40 to 100 mm, such as apples, tomatoes, citrus fruits, apricots, peaches.
The device achieves a performance of up to 18,000 pieces per hour and enables precise sorting by size and color. Thanks to the use of a vision system, the machine ensures the highest precision of classification in real time.
MONO machine offers flexibility in the unloading method and ensures smooth and safe transport of fruit without the risk of damage.
The line is equipped with a 6-meter-long buffer channel, a modern dryer with a three-stage filtration system, a V-type conveyor and ergonomic output tables.

• Application: precise sorting based on a vision system, with an emphasis on gentle product flow.

• Unloading: aqueous or dry.

• Advantages: compact size, high repeatability, excellent performance to space ratio.

The fault line for large volumes and full automation

CUP Bowl Machine is a modern, universal solution for precise sorting of fresh fruit and vegetables. It gently transports products with a diameter 50–130 mm such as apples, tomatoes, citrus fruits, pears, peaches, apricots.
The line can have from 2 to 6 tracks and reach up to 2.5 t/h per path, and sorting is done in real time according to size, color, weight and quality, which ensures high accuracy and efficiency. The bowl machine can be easily expanded with a water unloading system,unloading operations and devices packaging and palletizing.
Different types of media – standard or oblong bowls – they also handle products with non-standard shapes, such as zucchini, cucumbers, and eggplants. They're the perfect choice for producers looking for an efficient, reliable, and precise sorting system.

A large, red and blue automatic sorting machine with multiple sorting bins and conveyor belts, designed for handling and organising products in an industrial environment.
A large, industrial red sorting machine with multiple chutes and bins, conveyor belts and a metal frame, designed to automatically separate or sort materials, set against a white background.

RDS – Roller Dump Sorting Machine – compact dimensions, impressive performance

RDS is a compact, high-speed sorting machine for spherical fruits and vegetables. The innovative integrated roller system guides the product continuously, without transferring between segments during measurement. This track significantly reduces bruising and allows for a shorter line than in bowl machines with the same number of outputs. RDS It is available in two variants: with water unloading (immersion unloading + water channels + drying) and with dry unloading (tipper + expansion conveyor), which makes it easy to adapt it to the hall and the type of raw material.

Interested in collaborating?

Contact us, and we will provide detailed information on every product in our range. We offer competitive prices and the possibility of longer-term cooperation.

Automated fruit sorting plant with apples on conveyor belts, apple sorting machine scanning and sorting fruit while workers in hairnets monitor the process.

Advantages system

    • Proprietary algorithms developed on a Linux system enable real-time product testing. This innovative solution calculates specific parameters of the tested objects, distinguishing our vision software from other vision systems based on comparison with a reference standard.

 

    • The software can be adapted to any sorting machine thus improving sorting processes.

 

 

    • We guarantee consistent quality thanks to durable stainless steel components and consistent performance.

 

  • User-friendly interface allowing you to change sorting parameters in real time.

EXIT CONTROL

• advanced output control; cooperation with external devices, including a packing machine, water channels, packaging robots;
• product portioning by weight, quantity, volume;
• many ways of distributing the product at the output;
• various modes of product allocation to multiple outputs (even, priority, queue).

COOPERATION WITH AUTOMATION

• cooperation with PLC controllers, inverters and safety circuits

LED LIGHTING (STROBE)

• LED strobe lighting, consumes less energy and does not heat the product during the analysis process

SESSION REGISTRATION

• recording and storing sorting results in real time, taking into account suppliers and customers;
• session results are available at any time and can be printed

SAVE SETTING TEMPLATES

• saving settings, sorting method and speed

COOPERATION WITH LABELLERS

• product marking in the portioning process

SAVE SETTING TEMPLATES

• saving settings, sorting method and speed

MACHINE SPEED CONTROL

• machine and delivery speed control

Scroll to Top
The above consent is voluntary. Granting consent will allow the company: STALKO Spółka z ograniczoną odpowiedzialnością sp.k. to send you information about current offers and promotions regarding its products. Your consent can be withdrawn at any time by sending an email to: iod@stalko.com. If you do not grant consent, we will contact you to discuss the terms of any potential future cooperation. Read more GDPR
*Mandatory field
The above consent is voluntary. Granting consent will allow the company: STALKO Spółka z ograniczoną odpowiedzialnością sp.k. to send you information about current offers and promotions regarding its products. Your consent can be withdrawn at any time by sending an email to: iod@stalko.com. If you do not grant consent, we will contact you to discuss the terms of any potential future cooperation. Read more GDPR