Ensuring the performance characteristics of a friction V-belt variator
Theme:
Author:
Генералова Александра Александровна , Зверовщиков Александр Евгеньевич , Никулин Артём Анатольевич
Annotation:
In this article, we propose to modernize the design of variator pulleys, which will
increase the contact area of the friction pair, ensure durability and increase the efficiency of the
entire mechanism. The modernization consists in improving the working profile of the pulley,
which allows for the greatest and uniform coverage of the trapezoidal V-belt with minimal
distortion during tension. Parametric equations of the curve forming the pulley profile are
obtained. To determine the parametric equation, the deformation of the transverse fiber of the
belt was taken into account. A method for calculating the change in efficiency depending on the
speed of rotation of the pulley with both straight and curved generatrix is proposed. A
comparative assessment of the contact areas is carried out and the effectiveness of the proposed
method for improving the operational characteristics of V-belt transmission is shown.
