Abstract
The question of mathematical modeling of the dynamic characteristics for a single-acting pneumatic drive of the clamping device for technological equipment, as well as research on its working process in the clamping pneumatic cylinder, is considered. The pneumatic settlement scheme for a drive is presented. The working stroke of the clamping pneumatic cylinder is performed when the compressed air is supplied to the piston cavity; the return stroke occurs under the action of the built-in spring. The mathematical model of the dynamic characteristics of the pneumatic drive has been developed. The mathematical model is based on the pneumatic cylinder piston’s motion equations, the piston cavity’s continuity equation, and the mass flow rate for air entering the piston cavity. The piston motion equations separately consider the positional load of the built-in spring, the resistance force proportional to the movement velocity, and the dry friction force. The thermodynamic process in the piston cavity of the pneumatic cylinder is adiabatic. The continuity equation considers the variable volume of the piston cavity and the volume of the connected pneumatic line. The equation for the mass flow rate of compressed air entering the pressure chamber of the pneumatic cylinder considers the subcritical and supercritical gas flow regimes. The example of calculating the dynamic characteristics for the clamping pneumatic cylinder is given. The presence of characteristic stages of the working process is shown.
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Sokolov, V., Krol, O., Golubenko, O., Tsankov, P., Marchenko, D. (2023). Dynamics of Clamping Pneumatic Cylinder for Technological Equipment. In: Tonkonogyi, V., Ivanov, V., Trojanowska, J., Oborskyi, G., Pavlenko, I. (eds) Advanced Manufacturing Processes IV. InterPartner 2022. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-16651-8_6
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