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Linear servo motor permits unique cartoning system

All in a very small footprint, this integrated packaging system forms, loads, and closes cartons thanks to its “racetrack” conveyor powered by servo linear motors.

A servo linear conveying system similar to this one is what Delkor uses in its integrated cartoning solution.
A servo linear conveying system similar to this one is what Delkor uses in its integrated cartoning solution.

When a customer came to Delkor Systems seeking an integrated packaging system that handled carton forming, packing, folding, and sealing, the company was confident they could design a system that would work. When that customer added that they wanted the system to have a smaller footprint and be twice as fast, Delkor engineers knew they’d have a real challenge.

A major factor in developing such an integrated system, says Adam Koller, Delkor director of engineering, is to be able to move individual cartons to the next step in the process when each step requires different amounts of dwell time. Most conveying systems now in use rely on belts or chains to drive the cartons at a set speed. These conveyors tend to require more space and do not allow for variations in dwell time at each station, nor do they index quickly enough.

Delkor engineers elected to position the carton former, robotic carton loader, and carton closer around a conveying track driven by servo linear motors. The requirement of a compact layout was the primary driver. However, the servo linear motors also allow individual cartons to be transported at high speeds between stations and provide the flexibility to optimize the process time at each station, Koller says.

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