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Friction of flexible friction effect and general law on friction in operation of transport machines with flexible tie body

Journal: Mining of Mineral Deposits (Vol.11, No. 4)

Publication Date:

Authors : ;

Page : 104-110

Keywords : onveyor; conveyor belt; tension; diagram; friction; block; equilibrium conditions; centrifugal forces;

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Purpose. The justification of the new equation of friction of flexible bodies, which confirm the concepts of friction of bodies during operation of transport machines with flexible tie body. Methods. A comparison of the known concepts of the friction of bodies, the influencing factors, and the solutions of the Euler problem of the sliding of a flexible body along a fixed block. Findings. The general factors of friction of inflexible bodies are established – frictional force and normal reaction between bodies, which are linearly connected, and a new equation of friction of flexible bodies is justified. Originality. For the first time it is established that the new equation of friction of flexible bodies: – includes the frictional force and the normal reaction between the bodies, which are linearly connected; – corresponds to the equilibrium conditions of the mechanical system; – coincides with the law of friction of bodies of Coulomb, which is common. Practical implications. New scientific knowledge widens the idea of the friction of bodies. They contribute to a deeper understanding of the physics of the process and the accuracy of conducting research, determine the development of technology and perfection of transport vehicles with a flexible body, increase their efficiency and operation safety.

Last modified: 2019-02-02 23:12:57