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Curvilinear servo motor called 'the future of packaging automation'

A direct-drive, moving-magnet servo motor called PackTrakā„¢ is similar to linear servo motors that have been available for some time now.

Pw 11459 Ma Packtrac

But unlike standard linear motors, which only work in a straight line, the PackTrak motor is not limited to straight-line motion. Its inventor, Jacobs Automation, describes it as ā€œthe future of packaging automation.ā€

Like rotary servo motors, the PackTrak motor replaces mechanical cams and gears with electrical ones. But the rotary motion of rotary servo motors is still converted to fixed-pitch linear motion. And while speed is improved by rotary servo motors, itā€™s still limited by chains, belts, and couplings. PackTrak eliminates the need to convert rotary motion to linear motion and it obviates the need for chains, belts, and couplings.

PackTrakā€™s inventor, Keith Jacobs, claims that his direct-drive, moving-magnet curvilinear servo motor makes it possible for actuators to be independently controlled, allowing for

- change in pitch via software--no change parts needed

- on-the-fly adjustment to every packageā€™s individual variations

- unlimited dwell time for sealing applications.

Jacobs says PackTrak is suitable for collators, flow wrappers, vertical form/fill/seal baggers, horizontal f/f/s baggers, cartoners, and case packers. He plans to demonstrate PackTrak at Pack Expo Las Vegas. For more information, visit To watch an illustration of the PackTrak in motion, click here.

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