Foreign bodies such as stones, metal fragments, or glass represent a significant risk throughout the coffee supply chain. These contaminants can enter during harvesting, processing, or packaging—posing potential health risks and damaging equipment. Traditional metal detectors alone are often insufficient, especially when metallized packaging is involved.

Modern X-ray inspection systems provide a reliable solution by detecting a wide range of foreign bodies, regardless of packaging type. They enable manufacturers to establish critical control points (CCPs) directly after filling processes, ensuring consistent product safety.

Early inspection—particularly in the bulk flow of raw or roasted beans—offers key advantages. It protects downstream equipment, reduces product loss, and minimizes manual rework. In addition, implementing a two-step inspection process allows rejected material to be rechecked, helping recover valuable product and optimize yield.

Different packaging formats require tailored inspection approaches. Bags and pouches benefit from integrated X-ray systems combined with checkweighers to ensure correct fill levels and compliance with legal requirements. Stick packs can be inspected individually for maximum precision or within secondary packaging for higher throughput. Glass jars and cans require advanced multi-angle X-ray configurations to reliably detect contaminants, even in challenging areas such as sidewalls or bottoms.

For coffee capsules, ultra-precise weighing technology ensures accurate dosing directly during filling, while final inspection systems verify correct quantities in packaged units. At the end of the line, checkweighers confirm that shipping units contain the correct number of products—preventing costly delivery errors and returns.

By combining X-ray inspection and checkweighing technologies, coffee producers can significantly enhance product safety, reduce waste, and improve overall efficiency. In a competitive market, these solutions not only protect consumers but also strengthen brand reputation and deliver a fast return on investment.