Abstract
Abstract
In machines that handle flexible media with flat belts, it is necessary to prevent belt skew for the machines to operate at higher precision and maximum efficiency. However, the skewing mechanism has not yet been clarified. Therefore, in order to establish a method that could be used to analyse the skew of a flat belt, a simulation system is developed using a commercial finite element code (MARC). Also, the skew mechanism in two- and three-roller systems is also studied through simulations and clarified to show that the skew rate equals the spiral angle of the belt wrapping around the roller. Moreover, it is found that a steering roller that is set in an optimal position is needed to reduce belt skew efficiently. The analytical method and the findings from this study are useful in designing any flat-belt mechanism.
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