Optimization of Rotating Assembly Masses in Mechanical Transmissions of Machine Units

O. ROMANIUK; D. CHASOV; Ya. ROMANIUK; O. SASOV; V. BEIHUL

doi:10.15407/scine21.02.093

Authors

O. ROMANIUK Dniprovsky State Technical University https://orcid.org/0000-0003-1931-5507
D. CHASOV Dniprovsky State Technical University https://orcid.org/0000-0003-3830-693X
Ya. ROMANIUK Dniprovsky State Technical University https://orcid.org/0009-0001-1343-2211
O. SASOV Dniprovsky State Technical University https://orcid.org/0000-0002-8697-6324
V. BEIHUL Dniprovsky State Technical University https://orcid.org/0000-0003-1350-0656

DOI:

https://doi.org/10.15407/scine21.02.093

Keywords:

mechanical transmission, machine unit, flywheel, assembly, mass, gear wheel, shaft, torque.

Abstract

Introduction. The stabilization of kinematic and dynamic characteristics in machine assemblies, which exhibit
periodic changes during steady-state operation, has necessitated the development of methods for optimizing flywheel masses to enhance the productivity of machine executive bodies.
Problem Statement. Stabilizing the parameters of machine assemblies with additional flywheel masses increases the overall weight and inertia of the mechanism. Therefore, it has become essential to design mechanical
transmissions with optimized rotating assembly masses that can perform the function of flywheel masses.
Purpose. This study has aimed to develop a method for estimating the mass of a rotary assembly in a mechanical transmission during the preliminary design stage, utilizing the power parameters of the machine unit.
Materials and Methods. Analytical approaches have been employed to study the dependencies in a machine
unit model and its rotary assembly, featuring cylindrical gears.
Results. A functional dependence of the rotary assembly mass on torque, gear ratio, and the mechanical characteristics of gear wheel and shaft materials has been established. Mass coefficients for gears and shafts have
been derived, allowing variation through material selection and heat treatment. This expands the range of optimization options and simplifies solving multivariate design problems.
Conclusions. The proposed method for estimating the rotary assembly mass at the preliminary design stage,
based on the machine unit’s power parameters, has shown promise. It provides a clear framework for aligning the
masses of assembly components with the required flywheel moment, ensuring stabilization of the machine unit’s
kinematic and dynamic characteristics.

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