УТОЧНЕНА МОДЕЛЬ ДВОКАНАЛЬНОГО ЕЛЕКТРОПРИВОДА ПОДАЧІ З ПІДСУМОВУВАННЯМ РУХІВ НА ХОДОВІЙ ГАЙЦІ ДЛЯ ВИСОКОТОЧНИХ МЕТАЛОРІЗАЛЬНИХ ВЕРСТАТІВ

• Date: 2024
• Main Authors: Худяєв, О.А., Шамардіна, В.М., Пшеничников, Д.О.
• Format: Article
• Language: Ukrainian
• Published: Інститут електродинаміки Національної академії наук України 2024
• Subjects: ітераційний двоканальний електропривод подачі; механізм подачі робочого органу; обертова ходова гайка; узагальнена математична модель руху; нелінійні сили тертя ковзання
• Online Access: https://prc.ied.org.ua/index.php/proceedings/article/view/352
• Journal Title: Proceedings of the Institute of Electrodynamics of the National Academy of Sciences of Ukraine

The iterative two-channel feed electric drive (ED) with the summation of movements on the rotating sliding nut (RSN) is designed to increase the speed and accuracy of traditional single-channel ED feed mechanisms (FM) of metal-cutting machines with an inertial working tool (WT). A refined generalized mathematical model of movement of the two-channel ED with RSN was obtained, which was built for WT FM of the high-precision coordinate metal-cutting machine of the 24К60АФ4 model. The model takes into account the main static moments of resistance during metalworking, as well as the nonlinear nature of the sliding friction forces in the machine WT FM. Convenient recurrence relations are obtained for the calculation and modeling of sections of the linearized friction characteristic. The structural-algorithmic diagram of the compensated iterative two-channel feed ED with subordinate configuration of control channels is proposed, which makes it possible to compensate in steady-state conditions the negative impact on the accuracy of WT feed of the main static moments of resistance and nonlinearities of sliding frictionforces in the drive load.