Abstract
A procedure for calculating friction has been developed for predicting slip distance. We evaluated effect of the coefficient of friction on the slip distance between a rope and an elevator sheave by numerical calculations and experiments. The results showed that the slip distance depends on the coefficient of friction of the contact surface. This indicates that the contact surface has a slip zone and a stick zone, and the proportion between these two zones and the slip distance changes as the friction changes. The higher the friction is, the shorter the slip distance is. Because these results quantitatively agreed well with the experimental results, we could verify this method.
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