Konya / Karatay
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Four-Deck Sizing Machine; is a single-section calibration equipment designed to classify pre-cleaned or non-cleaned-required cereals, pulses, oilseeds, and nuts solely according to their dimensional characteristics. It separates the product into 4 different sizes with millimetric precision while also successfully removing broken grains. In industrial lines, it is generally positioned at the outlet (lower section) of optical sorting (Color Sorter) machines and serves as the final quality control stage.
Working Principle: The machine does not incorporate any air suction or aspiration system and operates entirely mechanically with a focus on dimensional calibration. The process is as follows:
Homogeneous Feeding with Distribution Hopper: The raw material to be classified is first transferred to an integrated product distribution hopper. This hopper ensures that the product is discharged onto the screening decks at a balanced and uniform flow rate.
Vibratory Screening Mechanism: The product transferred onto the deck is evenly distributed across the screen surface through controlled vibration applied to the machine body. Compared to three-deck models, the 4 independent screening decks provide an additional screening layer, increasing dimensional separation accuracy and calibration precision.
Separation into 4 Different Sizes and Broken Grain Control: The raw material gradually passing through the openings of the screen sheets is classified according to size, producing exactly 4 different final product size classes. During this process, broken grains are also completely separated from the main product mass and directed to independent discharge chutes. Depending on the plant layout and mobility requirements, the system can optionally be manufactured with either a stationary or mobile (wheeled/portable) chassis.
Products Processed and Improved: It is reliably used for precision commercial grading of all dry-grain agricultural products, particularly soybeans, chickpeas, beans, kidney beans, fava beans, sesame, lentils, wheat, rice, sunflower seeds, and cumin.
