Научная электронная библиотека ULRICH'S Periodicals Directory

Сибирский государственный университет
науки и технологий имени академика М.Ф. Решетнева

Сибирский аэрокосмический журнал
ISSN 2712-8970 (Print) ISSN 2782-5760 (on-line)

Сведения об образовательной организации

UDK 621.313.13.1 Doi: 10.31772/2587-6066-2019-20-2-284-290
MATHEMATICAL MODEL OF A LINEAR ELECTRODYNAMIC ENGINE OPERATION ON IMPACT WITH ACCOUNT FOR ELASTIC DEFORMATION OF THE HARDENED SURFACE
Shvaleva N. A., Fadeev A. A., Eresko T. T.
Reshetnev Siberian State University of Science and Technology, 31, Krasnoyarsky Rabochy Av., Krasnoyarsk, 660037, Russian Federation
Operational characteristics of contacting elements of cars and mechanisms are by far defined by a layer quality indicators at the surfaces of contact. One of the ways of increasing details durability, including missile and space equipment details, is the superficial plastic deformation (SPD). In the article aspects of dynamic ways of hardening from the position of the wave theory of blow are considered. The construction of a shock stand on the basis of a linear electrodynamic drive with a size of 60 mm, operating in a shock-pulse mode, as well as a well-known mathematical model of the workflow – the movement of the armature with the tool at the moment of striking the surface. This model does not fully describe the operation process since the mass of the striker taken into account equaled 1 kg, which does not characterize the process of the impact tool, the purpose of which is the object deformation (for example, work hardening with the aim of surface material sealing or breakdown of the hole in it, or applying license plates markers). The mathematical model that describes the movement of the armature with the tool, taking into account the elastic deformation of the hardened surface was obtained. In the course of the performed calculation, the magnitude of the elastic deformation of the hardened surface was calculated from the dynamic component of the force impulse applied to it through the indenter (the tip of the impact tool). The layout of the shock stand with the equipment used, are offered. Experiments on the signal recording with various arrangements of piezoelectric transducers on the anvil – the hardened surface (diagrams of the sensors location are given) were carried out.
Keywords: blow, mathematical model, elastic deformation, contact spot, linear electrodynamic engine, counterbody, indenter.
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Shvaleva Natalya Aleksandrovna – master’s degree student, Reshetnev Siberian State University of Science
and Technology. E-mail: natalyashvaleva@ya.ru.

Fadeev Aleksandr Aleksandrovich – Cand. Sc., docent, Reshetnev Siberian State University of Science
and Technology, E-mail: fadeev.77@mail.ru.

Eresko Tatiana Trofimovna – Dr. Sc., docent, head of Department of Fundamentals of designing machines,
Institute of Mechanical Engineering and Mechatronics, Reshetnev Siberian State University of Science and Technology.
E-mail: ereskottt@mail.ru.


  MATHEMATICAL MODEL OF A LINEAR ELECTRODYNAMIC ENGINE OPERATION ON IMPACT WITH ACCOUNT FOR ELASTIC DEFORMATION OF THE HARDENED SURFACE