X-ray inspection systems provide reliable contamination detection within products in a wide range of retail packaging.
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How to Select Critical Control Points for X-ray Systems
This White Paper explains how x-ray inspection technology can help manufacturers comply with Hazard Analysis and Critical Control Points (HACCP) and how to select critical control points (CCPs). It also explores why x-ray inspection may or may not be appropriate at each stage of the production process.
Choosing the most effective locations - the CCPs - to install x-ray inspection systems is vital to ensure product safety. To help manufacturers make the right decision, this White Paper discusses the advantages of installing an x-ray system at the beginning of the production line - where the raw materials arrive, at an intermediate stage or at the end of the line. In each case, real-life examples are included to show how cost-effectiveness and efficiency of contamination detection help determine the optimal location.
The white paper focuses on the following areas in detail:
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Equipment sensitivity is not the same at every stage on a production line. Detection levels are typically better in the early stages of the production process where unprocessed product can be presented in a smaller depth and with a more uniform texture. As the line progresses, the nature of contaminants changes. Each processing step can introduce new contaminants, or break existing ones down into smaller, less detectable pieces.
Catching contaminants early is not just more efficient in terms of reduced costs and wastage, it also helps prevent damage to processing equipment which can subsequently introduce more contaminants. Even so, contaminants can be introduced at any point on the production line.
Installing x-ray equipment at the end is the safest way of detecting contaminants in a single operation. Since the production process is over and the product is sealed, no further contaminants can enter the product. The end of the line is also the point where manufacturers can use x-ray technology to catch other quality control issues.
The final decision usually comes down to establishing a balance between risk and cost. Most manufacturers install one x-ray system and they install it where they'll get optimal results.