Castro-Aguila, Julio C.

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A screw theory approach to analyze the dynamics of parts in a vibratory bowl feeder
(2008) Castro-Aguila, Julio C.; Rosario, Lourdes M.; College of Engineering; Serrano, David; Dooner, David; Department of Mechanical Engineering; Pomales García, Cristina
Vibratory bowl feeders are widely used in automatic assembly lines. The availability of good models to predict the behavior of parts inside of them is highly useful. This work presents a method that predicts the natural resting aspects probability profile for three parts named “T” shape, Arc Chute and Magnet under a new approach based on its inertial properties. The work also analyzes the dynamic behavior of the parts Arc Chute and Magnet on a vibratory bowl feeder. The analysis studied the part’s behavior on the bowl floor and bowl track. The main parameters governing the transport phenomena were modeled for values used in analysis made by previous researchers. In general, the probability profile is directly proportional to the mass distribution around an axis perpendicular to the plane of the resting aspect (coincident with the center of gravity), and inversely proportional to the height of the center of gravity. This represents an advantage over previous methods, due to simplicity, easy implementation and visualization for parts with complex geometries.