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Article | November 20, 2013
Thermo Fisher Scientific: X-ray system for tall packages
Designed for high-speed can, bottle, carton, and pouch lines of up to 500 packages/min., the Xpert S400 horizontal beam X-ray system from Thermo Fisher Scientific detects metal, glass, dense plastics, and other foreign objects in tall-profile, vertically-oriented containers.
The Xpert S400’s compact length enables placement into tight production spaces and the X-ray source/detector height easily adjusts to match the customer’s conveyor passing through the inspection tunnel. Easy set-up and use-configuration software facilitates quick start up. Specific software algorithms developed for tall profile packages look for contaminants in problem areas such as package edges, bottom center and top. The unit also offers diagnostic functions for quick troubleshooting, customized rejection devices, sanitary design with welded/sloped/polished stainless surfaces and no-lead shielding curtains. In addition to foreign object detection, the Xpert S400 also can analyze an X-ray image to estimate fill level or determine whether a package is dented or has a missing closure. Packages that are tall and lightweight can tip over when passing through the shielding curtains, which are there to eliminate X-ray scatter. Heavier metal containers also can sheer-off the curtains during higher speed production runs. For those applications, the curtains have been eliminated and product is conveyed through the inspection chamber via a series of small chicanes or curves. Because X-rays only travel in a straight line, the angles eliminate X-ray scatter from leaving the system.
The unit features a 160W monoblock and a 400mm (15.7-in.) high detector. The detector is available in either 0.8 or 0.4mm resolution, and its suite of algorithms is designed to find small contaminants in complex images with few, if any, false rejects. The Xpert S400 also features simplified installation compared to earlier models (typically one day vs. several) and is available at a more affordable price point, compared to previous generations.
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