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Mobile Drum Weighing: Why Three Wheels Are Better Than Four

The Drum Bunny from Pennsylvania Scale is a mobile weighing system for accurate filling, inventory management, and controlled movement of drums and other containers in the manufacturing environment. The Drum Bunny’s unique low-profile platform and three-load-cell/three-wheel design allow it to provide superior weighing accuracy and steady transport of loads even across the unpredictable surfaces of the factory floor.

A first impression of the Drum Bunny’s three-wheel design may be that fewer points of contact would make it less stable than a four-wheel design; however, the exact opposite is true. Manufacturing and industrial environments can be fraught with obstacles and uneven surfaces. Loose materials, differences in flooring, ramps and thresholds—all of these can make a load unsteady and present difficulty when trying to get an accurate weight or move a container. With three wheels, the Drum Bunny is forced to make three points of contact to distribute its weight and find its footing on an uneven surface. Comparatively, with four wheels, it’s possible to place a load on an uneven surface and get only three points of contact, leaving the fourth point and its corresponding load cell with an inaccurate load calculation that factors into the total weight reported.

For users of the Drum Bunny, the benefits of the three-wheeled platform are many. One is the ability to safely move a drum or container from one point to another with steady control. This helps keep nearby personnel and objects safe and minimizes the opportunity for costly spills of the materials in the containers. Another benefit is the exceptional accuracy of the weigh. When the load places pressure on the platform, all three load cells are engaged because all three wheels are in contact with the floor. The result is a weight calculation that is much more precise. Still another benefit is a significant reduction in the need to unload, reset, and reload, which ultimately decreases setup time as compared to a traditional four-point scale.



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