Digital sorters for nuts and dried fruits

Key Technology has released Veryx digital sorters for nuts and dried fruits.

These units are designed specifically to identify and remove even the most challenging foreign material (FM) and defects such as small, loose and embedded shell fragments, membrane material, insect damage, surface scratches, color-based defects, stems, rocks, glass and more.

According to the company, the sorters achieve excellent colour grading and shell, FM and defect removal; are extreme accurate and virtually eliminate false rejects.

The sorters are ideal for sorting walnuts, almonds, hazelnuts, pistachios, peanuts, pecans, cashews and dried fruit such as raisins, prunes, cranberries, apricots, figs, dates and more.

The sorters can be configured with front- and rear-mounted laser sensors and cameras to achieve all-sided surface inspection. They also feature multi-sensor Pixel Fusion, which combines pixel-level input from multiple cameras and laser sensors to more clearly differentiate good product, defects and FM.

The next-generation 4-channel cameras and laser sensors on the sorters offer twice the resolution of previous generation sorters to detect smaller pieces of shell, FM and product defects. The accuracy of the detection system is paired with a high-resolution ejection system, which features the closest spacing between air nozzles of any nut and dried fruit sorter in order to better target and remove defects.

Intelligent software manages the air nozzles’ actuation strategy to suit the size, shape and weight of each object being removed. The combined precision of the detection and ejection systems results in the most complete removal of shells, FM and defects without sacrificing good product to the reject stream.

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