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It is equally important to note that no single technology can catch every possible contaminant. That’s why pairing metal detection with X-ray or vision inspection creates a layered defence system, especially effective in complex confectionery processes. For example, X-ray systems can detect denser non-metal contaminants like stones or high- density plastics, while advanced metal detectors might miss due to density differentials between the metal and the actual product. If, however, metal detection and X-ray is implemented together, each system covers the other’s blind Additionally,
current detection systems
go beyond just identifying contaminants. Many are evolving into connected, intelligent quality control hubs. With growing emphasis on traceability, compliance (e.g.
auditability, and regulatory HACCP),
confectionery
producers now rely on systems that deliver real-time monitoring, automated reporting, and remote diagnostics.
Since label errors typically account for the greatest number of recalls in the UK and Europe, followed by hygiene issues and then foreign object contaminations, in more advanced systems, machine vision is increasingly being adopted to assist with label checks. Fortress already anticipates this trend escalating, particularly among global suppliers who will need to adhere to the forthcoming FDA Final Rule if supplying products into the US. Although most confectionery products, it does set a precedence for traceability which all processors should try to emulate. When compared to purchasing multiple, individual inspection systems, the faster ROI,
On some confectionery and bakery lines, channelling multiple products side-by-side through a larger aperture could be an option.
manufacturers is maintaining high safety standards while also improving line inspection systems are being engineered with smarter features that allow for earlier intervention, faster fault detection, and more precise quality control. For example,
integrated inline
When a metallic object passes through a metal detector’s aperture, it disturbs the electromagnetic field, generating a signal that initiates the product reject process.
checkweighing and vision inspection support quality assurance by verifying pack weights and catching packaging or allergen- related errors on food labels – still the main reason for recalls throughout Europe and the UK. All these features are increasingly supported by intelligent software platforms which allow manufacturers to monitor system performance, generate compliance reports, and streamline traceability efforts from a central dashboard.
These software solutions can assist confectioners to respond quickly to recalls if issued. Fortress is already using its own proprietary data software package, Contact 4.0, across its metal detection and checkweighing technologies.
This
Establishing the biggest contaminant risks all help to ensure a robust HACCP-compliant food safety strategy
smaller footprint and operational savings of a single inspection unit can be parts and technical support coming from one supplier, training and operating the equipment becomes easier and safer when there is only one user interface. Other cost
savings are gained from faster installation, reduced training time and increased
Networked integration Another pressure facing confectionery
enables processors to review, collect data and securely oversee the performance of multiple Fortress metal detectors, checkweighers or combination inspection machines connected on the same network. Utilising automated data integration technologies like OPC UA Adapters and Ethernet/IP Adapters provides those with established data reporting processes the opportunity to merge inspection data and network. With these solutions, data tags are converted in real time to an internal business database. These could be pulled into enterprise resource planning (ERP) or other structured plant monitoring systems, providing valuable oversight to support
These advanced features help confectionery manufacturers reduce human error, increase productivity, and ensure that critical food safety and quality checks are consistently met. All of which are vital in a fast-paced, cost-conscious confectionery industry.
KennedysConfection.com Kennedy’s Confection May 2025 45
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