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Frequently Asked Questions
Yes, there are several scenarios where mechanical sorting is the preferred solution in potato processing. Mechanical sorters—such as screen graders, shaker tables, and roller sizers—are highly effective for simple, robust tasks like separating potatoes by size, weight, or shape. They are particularly useful in operations where budget constraints, dirty product conditions, or harsh environments make optical systems less practical.
Mechanical sorting is often favored in:
- Small or low-cost operations that cannot justify the higher capital and maintenance costs of optical sorters.
- Pre-sorting stages, where removing oversized or undersized tubers before optical inspection helps reduce machine load and increase throughput.
- Very dirty or unwashed potatoes, where mud, stones, or clumps would interfere with optical sensors.
- Rural or outdoor environments where dust, humidity, or extreme temperatures can impact sensitive electronics.
While mechanical sorting lacks the precision of optical systems—especially for detecting internal defects, subtle discoloration, or foreign materials—it remains a reliable and affordable solution when only basic sorting is required. In many modern processing lines, mechanical and optical sorting are used together, with mechanical systems handling the rough grading and optical sorters performing the final, high-precision quality control.