Abstract
One of the main factors determining the performance of high-speed automatic machines is the oscillatory (dynamic) processes that arise as a result of elastic deformations of their links. The intensity of these processes increases with the growing speed of the mechanisms, the wear of kinematic pairs in the links of the units, the magnitude, and nature of the change in technological forces. The higher the rate of change of external forces acting on the elements of the mechanism, the greater the amplitude of the oscillations of the links and the time of their attenuation due to energy dissipation. The evaluation of the effects of dynamic processes in the design of high-speed automatic machines allows you to determine the degree of consistency of movement and the margin of safety of the elements of mechanisms depending on their speed. The paper discusses the methodology for assessing the impact of dynamic processes on the performance of designed products. The methodology is based on computer modeling of dynamic processes. The software solution proposed by the author allows us to automate the parallel processes of developing an object model, a dynamic model (a system of concentrated masses connected by elastic-dissipative and kinematic bonds), and a mathematical model in the form of systems of second-order nonlinear differential equations. The object of study is the main landing (crank-slide) mechanism, the cut-off mechanism (cam-lever), and their drive, including an electric motor, V-belt drive, shafts, and gears, of the multi-position cold stamping machine AV 1818.
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Telegin, V.V. (2021). Performance Assessment in Design of High-Speed Automatic Machines Based on Analysis of Their Dynamics. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 6th International Conference on Industrial Engineering (ICIE 2020). ICIE 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-54814-8_115
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