This paper investigates the mathematical modeling and dynamic analysis of a turning tool equipped with a rod-and-spring damping element using the coherence function. Vibrations (chatter) occurring during turning operations adversely affect surface quality, tool life, and process stability. The...
Actual problems in modern technical sciences / 2026 / January
This paper investigates vibration reduction in metal cutting machine tools, with emphasis on turning, using mathematical–dynamic modeling and optimization. Cutting vibrations deteriorate surface quality and accuracy, accelerate tool wear, and reduce process stability. A singledegree-of- reedom...
Actual problems in modern technical sciences / 2026 / January
The article discusses methods for identifying non-metallic inclusions in 110G13L steel. Particular attention is paid to the electrolytic extraction method, which allows the identification of oxides, sulfides, and nitrides. Various methods for analyzing inclusions are considered, including...
Actual problems in modern technical sciences / 2025 / March
This article focuses on determining the vibration parameters based on the analysis of vibrations in the spindle unit housing of metal cutting machines. Studying the dynamics of spindle systems is crucial for improving the efficiency of mechanical processes. The research presents methods for...
Actual problems in modern technical sciences / 2025 / February
The article discusses vibration diagnostics methods for assessing the technical condition of the spindle assembly of metal-cutting machines and determining its dynamic characteristics. The technical condition of the spindle assembly is important in determining defects that have arisen in its...
Actual problems in modern technical sciences / 2025 / January
This research delves into the structural dynamics of a large heavy-duty lathe, highlighting the significant impact of its static and dynamic properties on load capacity, precision, and surface finish of machined parts. Central to this study are the headstock and tailstock, crucial for supporting...
Actual problems in modern technical sciences / 2024 / June
This paper presents an approach to examine the features of a high-speed spindle system used in turning operations. The precision of machined parts depends significantly on the performance of the entire machining system, particularly influenced by the behavior of the main spindle. The study focuses...
Actual problems in modern technical sciences / 2024 / June
Tool wear is a critical factor affecting machining processes, impacting part quality, equipment downtime and production costs. The study focuses on the late stage of wear using a multi-axis grinding operation to simulate artificial tool wear conditions. Verification is carried out through...
Actual problems in modern technical sciences / 2024 / May
The optimization of tool trajectory based on artificial intelligence, utilizing AI and machine learning algorithms, is an evolving field with applications in chip design, system optimization, prediction of cutting processes results and controlling its flow. This research paper explores the...
Actual problems in modern technical sciences / 2024 / May
A method for calculating free vibration frequencies and dynamic characteristics of the spindle assembly of the «NT-250M» machine tool is described. Features of modeling spindle assemblies of machine tools areconsidered in the «ARM WINMACHINE» program....
Actual problems in modern technical sciences / 2024 / April