9 articles in this issue
Mykola ?. Tkachuk,Andriy Grabovskiy,Mykola ?. Tkachuk,Mariia Saverska,Iryna Hrechka
A significant share of structures includes the components that are in contact with each other. These include, for example, stamps, molds, machine tools, technological equipment, engines, etc. They are characterized by a varied load mode. Therefore, an imp... see more
Kirill Trapezon,Alexandr Trapezon
The paper reports an algorithm to analytically solve one of the problems in the mechanics of elastic bodies, which is associated with studying the natural vibrations of a composite two-stage plate whose concave part is smoothly aligned with the part of a ... see more
Andrii Bambura,Ihor Mel’nyk,Vitaliy Bilozir,Vasyl Sorokhtey,Taras Prystavskyi,Volodymyr Partuta
In order to significantly reduce the weight of flat monolithic reinforced concrete floors, foundations, and other slab structures, construction operations have increasingly involved effective inserts as the separate articles made from relatively light and... see more
Ivan Nazarenko,Anatoly Svidersky,Alexandr Kostenyuk,Oleg Dedov,Nikolai Kyzminec,Volodymyr Slipetskyi
A new scheme for the excitation of vibrations of the working bodies of the blocks of a vibration unit based on a change in the phase angles of unbalances between themselves is developed. The implementation of such an idea allows for one revolution of imba... see more
Gennadiy Filimonikhin,Irina Filimonikhina,Vladimir Pirogov,Serhii Rahulin,Mykola Sadovyi,Guntis Strautmanis,Olena Tryfonova,Mykola Yakymenko
Were found the conditions for occurrence of dynamic auto-balancing for the case of a rotor mounted on two elastic-viscous supports, balanced by two or more passive auto-balancers of any type.A modernized energy method has been applied under assumption tha... see more
Dmytro Bannikov,Sergiy Yakovlev
At present, one of the main problems arising from the long-term operation of one-section electric locomotives is the need to maintain their good technical condition. In this case, the determining aspect is often rapid identification of existing defec... see more
Irina Issayeva,Vitaly Povetkin,Azamat Alpeisov,Amina Bukayeva,Dinara Arinova
A large volume of rocks containing valuable minerals is treated at mining and processing plants in Kazakhstan. Ball mills and rod mills are used for their grinding and further processing in Balkhash, Zhezkazgan.Ball mills with gear drive rings in the drum... see more
Oleksij Fomin,Alyona Lovska,Inna Skliarenko,Yurii Klochkov
The strength parameters have been determined for the bearing structure of a hopper car used to transport pellets and hot agglomerate. The calculation was based on a finite element method, implemented in the software COSMOSWorks. Strength reserves of load-... see more