Кафедра робототехніки
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Item type:Наукова стаття, Identification of Analytical Dependencies of the Operational Characteristics of the Workpiece Clamping Mechanisms with the Rotary Movement of the Input Link(2021) Prydalnyi, Borys; Sulym, HeorhiyThe research is devoted to the problem of determining the efficiency of the workpiece fixing mechanism operation. Improving characteristics of workpiece fixing is one of the required conditions to increase the cutting modes, which may help to enhance the machining productivity. The study investigates the main characteristics and general features of a new structure of clamping mechanisms with electromechanical actuators for fixation of rotation bodies. The main advantages of using electromechanical clamping actuators with self-braking gear are presented. Two simplified dynamical models for the description of different stages of the clamping process are developed. The calculation scheme was formulated to find out how the mass-geometric parameters of mechanism elements should influence the main characteristics of the clamping mechanisms of this type.Item type:Наукова стаття, Mathematical model of the tensioning in the collet clamping mechanism with the rotary movable input link on spindle units(2021) Prydalnyi, Borys; Sulym, HeorhiyThe article presents a mathematical model of tensioning in a collet clamping mechanism with a rotary movable input link designed for spindle units. The study is aimed at improving workpiece clamping processes in machine tools through a more accurate determination of the mechanism’s force parameters. The proposed model takes into account the geometric and kinematic characteristics of the clamping system components as well as the features of force transmission during operation. An analysis of the relationship between the design parameters of the mechanism and the resulting clamping force is carried out. The obtained results can be used to optimize the design of spindle units, increase their operational reliability, and ensure the stability of machining processes. The developed mathematical model provides a basis for further research and improvement of clamping devices used in modern machine-tool systems.