Actual problems of Mathematics, Physics and Mecanics
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USING THE COHERENCE FUNCTION IN MATHEMATICAL MODELING OF THE DYNAMIC PROPERTIES OF LATHE CUTTERS WITH DAMPING ELEMENTS
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...
3 January 2026, 22:00
BUILDING A MORPHOLOGICAL LEXICON FOR AUTOMATIC KHOREZM–STANDARD UZBEK CONVERSION
This paper describes the process of developing a morphological lexicon designed for the automatic conversion of the Khorezm dialect into Standard Uzbek. Although the Khorezm dialect is widely used in everyday communication in the region, there is a lack of sufficient digital and machine-readable...
3 January 2026, 22:00
INVESTIGATION OF VIBRATION REDUCTION IN METAL CUTTING MACHINE TOOLS BASED ON DYNAMIC MODELING AND OPTIMIZATION
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...
3 January 2026, 22:00
DESIGN OF THE MECHANICAL MACHINING PROCESS FOR PARTS WITH COMPLEX GEOMETRY
This article examines the theoretical and practical aspects of designing the mechanical machining process for parts with complex geometry. The use of modern CNC machines, CAD/CAM systems, and digital manufacturing technologies to achieve high accuracy and efficiency is analyzed. Particular...
3 January 2026, 22:00
ANALYSIS OF THE IMPACT OF HUMAN FACTORS ON TRAFFIC SAFETY AND RAILWAY TRANSPORT RELIABILITY
The article discusses issues related to improving the reliability and accuracy of railway transport by minimizing the impact of human error. Based on an analysis of statistical data on occupational injuries and train safety violations in the Republic of Uzbekistan, it is shown that a significant...
3 January 2026, 22:00
THE IMPACT OF CHANNEL GEOMETRY ON SELF-HEATING TEMPERATURE IN 10 nm GAAFET
This paper investigates the impact of channel geometry on the selfheating temperature of a 10 nm gate-length GaAs-based gate-all-around fieldeffect transistor (GAAFET). The study is conducted using numerical simulations in the Sentaurus TCAD environment. While maintaining a constant channel...
3 December 2025, 22:00
MECHANISMS FOR CONTROLLING THE I-V CHARACTERISTICS OF HETEROJUNCTION DIODES UNDER THE INFLUENCE OF A MAGNETIC FIELD
This article examines the mechanisms for controlling the currentvoltage characteristics of heterodiodes under the influence of a magnetic field. It is shown that the decrease or increase in the current carrier density depends on the Lorentz force. The height of the potential barrier changes under...
3 December 2025, 22:00
ANALYSIS OF VIBRATION FACTORS AFFECTING THE WORKING BODY OF TECHNOLOGICAL EQUIPMENT
The article examines the influences consider the effects of disruptive elements present during the cutting vibration of the machines’ executive bodies. The patterns of change in the motion trajectory of the billet’s rotating section’s instant center are examined. are shown in the drawing direction...
3 December 2025, 22:00
ANALYSIS OF THE INFLUENCE OF PARTICLE SIZE, THE AMOUNT OF WOLFRAMATE, HYDROCARBONATE, AND SODIUM HYDROXIDE IN THE SOLUTION, AS WELL AS THE DENSITY OF THE BODY DURING THE SELECTION OF WOLFRAM CAKES
This article provides an in-depth analysis of the factors affecting the selective dissolution of tungsten cakes in sodium carbonate solution - particle size, soda solution concentration, sodium tungstate and bicarbonate content, and bulk density. According to the experimental results, it was found...
3 December 2025, 22:00
ELECTROLYTIC PROCESSING OF WC–Co BASED HARD ALLOY WASTE
This study investigates the efficiency of electrochemical (electrolytic) processing for the selective recovery of tungsten and cobalt from WC–Co hardalloy scrap. A comprehensive literature review reveals that conventional pyrometallurgical routes suffer from high energy consumption, toxic gas...
3 December 2025, 22:00