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Roskam Baking 'falls' for in-tube metal detection

In-tube metal detectors are helping contract packager Roskam Baking grow its business. The CP packs dry food products such as cereal and snacks at four plants in its home city of Grand Rapids, MI.

Free-fall metal detectors are mounted to f/f/s equipment at Roskam (the square-shaped objects on the far left side of the photo
Free-fall metal detectors are mounted to f/f/s equipment at Roskam (the square-shaped objects on the far left side of the photo

In the past two years, Roskam has installed at least a dozen Superscan Micro (intelligent sensitivity control) detectors from Loma Intl. (Carol Stream, IL). Unlike conveyor-mounted systems that often check packaged products for metal near the end of a packaging line, these are "in-tube" or "free-fall" units positioned beneath weigh scales. As product is discharged from scale buckets, it falls through an 8"- or 10"-dia detector tube before descending through the product fill tube and into a bag or pouch below. If metal is detected, the unit communicates with the filling equipment to stop.

"As our business started to grow, we went to these metal detectors," recalls William Murphy, Roskam's project engineer. "We knew the Loma name was a good one, and they offered us good lead times in receiving the equipment," which was needed for fast-turnaround projects. Murphy also appreciates that many of the detectors fit into about half the space required for many comparable metal detectors. Other advantages of the units, he says, include: "Accuracy, ease of set-up and cleaning, reliability, price, delivery and product support."

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