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...

Actual problems in modern technical sciences / 2026 / January

Yakhshiev Sherali Namozovich, Abdiev Bobur Kamol Ugli, Tursunov Nodir Shavkatovich, Toshniyozov Ilkhomjon

Volume 10 | Issue 1

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...

Actual problems in modern technical sciences / 2026 / January

Abdiev Bobur Kamol Ugli, Yakhshiev Sherali Namozovich, Khamidov Boburjon Khamid Ugli, Tursunov Nodir Shavkatovich

Volume 10 | Issue 1

ANALYSIS OF IDENTIFICATION METHODS OF NON-METALLIC INCLUSIONS IN STEEL GRADE 110G13L
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

Ashurov Khisrav Khurshid Ugli, Khamroev Nurbek Nurilloevich, Yakhshiev Sherali Namozovich, Tangatarova Laylo Alijon Kizi

Volume 9 | Issue 3

DETERMINATION OF VIBRATION PARAMETERS BASED ON A MATHEMATICAL MODEL OF VIBRATIONS OF A METAL-CUTTING MACHINE BODY
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

Yakhshiev Sherali Namozovich, Tangatarova Laylo Alijon Kizi, Norbekov Azamat Ostanaqulovich, Namozova Fotima Sherali Kizi, Namozova Zuxra Sherali Kizi

Volume 9 | Issue 2

3 February 2025, 21:50

DETERMINATION OF PARAMETERS OF THE TECHNICAL CONDITION OF THE SPINDLE ASSEMBLY OF METAL-CUTTING MACHINES BASED ON MATHEMATICAL MODELING
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

Yakhshiev Sherali Namozovich, Tangatarova Laylo Alijon Kizi, Mansurov Dilshod Ravilovich, Namozova Zuxra Sherali Kizi, Namozova Fotima Sherali Kizi

Volume 9 | Issue 1

FINITE ELEMENT ANALYSIS OF STRUCTURAL DYNAMICS IN HEAVYDUTY LATHE MACHINES: IMPLICATIONS FOR LOAD CAPACITY, PRECISION, AND MACHINING PERFORMANCE
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

Khayitov Jahongir Khayitovich, Abdullaev Karimjon Saitbayevich, Yakhshiev Sherali Namozovich, Ochilov Ulugbek Yunusovich

Volume 8 | Issue 6

ENHANCING THE STATIC AND DYNAMIC PERFORMANCE OF HIGHSPEED SPINDLE SYSTEMS IN TURNING OPERATIONS THROUGH FINITE ELEMENT ANALYSIS AND CAD MODEL OPTIMIZATION
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

Abdullaev Karimjon Saitbayevich, Khayitov Jahongir Khayitovich, Yakhshiev Sherali Namozovich, Ochilov Ulugbek Yunusovich

Volume 8 | Issue 6

ANALYSIS OF TOOL WEAR USING MACHINE LEARNING TECHNIQUIES IN PRODUCTION PROCESSES
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

Karimov Kamaldjan Abbasovich, Yakhshiev Sherali Namozovich, Egamberdiev Ilkhom Pulatovich, Namozova Zuxra Sherali Kizi, Namozova Fotima Sherali Kizi

Volume 8 | Issue 5

OPTIMIZATION OF TOOL TRAJECTORY USING AI AND REAL-TIME MONITORING THROUGH COMPUTER VISION INTEGRATION
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

Karimov Kamaldjan Abbasovich, Egamberdiev Ilkhom Pulatovich, Yakhshiev Sherali Namozovich, Namozova Fotima Sherali Kizi, Namozova Zuxra Sherali Kizi

Volume 8 | Issue 5

ANALYSIS OF THE DYNAMIC CHARACTERISTICS OF SPINDLE ASSEMBLIES
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

Karimov Kamaldjan Abbasovich, Egamberdiev Ilkhom Pulatovich, Yakhshiev Sherali Namozovich

Volume 8 | Issue 4