Chairmen: Prof. Angel Anchev, PhD
Building 1, Hall 1116

INFLUENCE OF DEEP ROLLING PROCESS PARAMETERS ON SURFACE INTEGRITY CHARACTERISTICS OF HEAT-TREATED 42CrMo4 STEEL SPEICMENS
Marieta Ivanova, Vladimir Dunchev, Petia Daskalova
Technical University of Gabrovo, Gabrovo, Bulgaria

DESIGN OF A CABLE PACKAGING SYSTEM CAPABLE OF SECURING CABLE ENDS WITHOUT THE USE OF AUXILIARY MATERIALS
Beyza Avci¹, Özdemir Berk Varal¹, Figan Dalmis², Serdar Osman Yilmaz³,Ibrahim Savas Dalmis^3
1DOMEKS Machinery A.S. Design Center, Turkey
²TNKU, Vocational College of Technical Sciences, Electronic and Automation Department, Turkey
³Tekirdag Namik Kemal University, Corlu Engineering Faculty, Mechanical Engineering Department, Turkey

INVESTIGATING AND MODELING THE DURABILITY AND PERFORMANCE OF METAL CUTTING TOOLS WHEN MACHINING ROTARY WORKPIECES ON ROBOTICALLY POWERED CNC LATHES
Nikolay Kolev, Irina Alexandrova, Hristo Metev
Technical University of Gabrovo, Gabrovo, Bulgaria

TECHNOLOGICAL CAPABILITIES AND APPLICATION OF ROBOTS FOR FEEDING CNC MACHINES
Nikolay Kolev
Technical University of Gabrovo, Gabrovo, Bulgaria

AN APPROACH FOR THICKNESS ESTIMATION OF ANODIZED TITANIUM OXIDE USING DIGITAL CAMERA
Deyan Veselinov, Radostina Yankova, Hristo Skulev, Ivan Rusev
Institute of Metal Science, equipment, and technologies with Center for Hydro- and Aerodynamics “Acad. A. Balevski” at the Bulgarian Academy of Sciences, Sofia, Bulgaria

NANOTUBULAR OXIDE FORMATION ON BIOMEDICAL TITANIUM ALLOYS
Deyan Veselinov, Radostina Yankova, Veneta Koeva
Institute of Metal Science, equipment, and technologies with Center for Hydro- and Aerodynamics “Acad. A. Balevski” at the Bulgarian Academy of Sciences, Sofia, Bulgaria
International Scientific Conference “UNITECH'2024” – Gabrovo

EFFECTS OF HOMOGENIZATION PROCESS OF BILLET CASTING ON MECHANICAL PROPERTIES OF EXTRUSION PRODUCT
Önder Ayer, Oğuz Kapsiz
Trakya University, Department of Mechanical Engineering, Turkey

LASER COLOR MARKING ON STAINLESS STEEL: AN OVERVIEW
Imants Adijans¹, Lyubomir Lazov¹, Mariya Nikolova², Rusi Minev^2
1Rezekne Academy of Technologies, Rezekne, Latvia
²"Angel Kanchev" University of Ruse, Ruse, Bulgaria

MICROSTRUCTURE AND MICROHARDNESS AROUND HOLES IN ALUMINUM ALLOY 2024-T3 SUBJECTED TO COLD EXPANSION BY MODIFIED SPLIT MANDREL METHOD
Petya Daskalova
Technical University of Gabrovo, Gabrovo, Bulgaria

DEVELOPMENT AND EVALUATION OF A CHOPPING MACHINE FOR FORAGE CROPS
Figan Dalmis¹, Ersen Okur², Ibrahim Savas Dalmis³, Fulya Tan^2
1TNKU, Vocational College of Technical Sciences, Electronic and Automation Department, Turkey
²TNKU, The Faculty of Agriculture, Biosystem Engineering Department, Turkey
³TNKU, Corlu Engineering Faculty, Mechanical Engineering Department, Turkey

SURFACE MODIFICATION OF TITANIUM ALLOYS Ti-6Al-4V AND Ti-6Al-7Nb: METHODS FOR ENHANCING WEAR RESISTANCE AND BIOCOMPATIBILITY. A BRIEF REVIEW
Veneta Koeva, Deyan Veselinov, Radostina Yankova, Hristo Skulev, Ivan Rusev
Institute of Metal Science, equipment, and technologies with Center for Hydro- and Aerodynamics “Acad. A. Balevski” at the Bulgarian Academy of Sciences, Sofia, Bulgaria

BIOFOULING IN THE MARINE ENVIRONMENT: MECHANISMS, IMPACTS, AND MODERN SOLUTIONS. A BRIEF REVIEW.
Ivan Rusev, Veneta Koeva, Deyan Veselinov, Radostina Yankova, Hristo Skulev
Institute of Metal Science, equipment, and technologies with Center for Hydro- and Aerodynamics “Acad. A. Balevski” at the Bulgarian Academy of Sciences, Sofia, Bulgaria

DESIGN AND STATIC ANALYSIS OF PRISMATIC PRESSURE VESSELS ACCORDING TO TS 13445-3 STANDARD
Munise Dilara Doğan¹, Osman Çalpan², M. Tahir Altınbalık^1
1Trakya University, Engineering Faculty, Edirne, Türkiye
²HPO TECH, İstanbul, Türkiye

OPTIMIZATION OF DEFECT PREVENTION IN HOT FORGING OF CUZN40PB2 BRASS ALLOY WATER VALVE COVERS: A FINITE ELEMENT AND EXPERIMENTAL APPROACH
Isik Cetintav, Fatih Karacam
Trakya University, Faculty of Engineering, Department of Mechanical Engineering, Edirne, Turkey

TECHNOLOGIES FOR ELECTRON BEAM WELDING OF COPPER AND ALUMINUM ALLOY
Borislav Stoyanov¹, Maria Ormanova²,³, Stefan Valkov²,³, Angel Anchev⁴, Vladimir Dunchev⁴, Darina Kaisheva³,⁵, Georgi Kotlarski^3
1Department of Industrial Design and Textile Engineering, Technical University of Gabrovo, Gabrovo, Bulgaria
²Department of Mathematics, Informatics and Natural Sciences, Technical University of Gabrovo, Gabrovo, Bulgaria
³Academician Emil Djakov Institute of Electronics, Bulgarian Academy of Sciences, Sofia, Bulgaria
⁴Department of Material Science and Mechanics of Materials, Technical University of Gabrovo, Gabrovo, Bulgaria
⁵Department of Physics, Neofit Rilski South-West University, Blagoevgrad, Bulgaria

STUDY OF THE RELIABILITY OF RAILWAY INTERLOCKING SYSTEMS
Emiliya Dimitrova, Vasil Dimitrov
“Todor Kableshkov” University of Transport, Sofia, Bulgaria

ANALYSIS OF FIRE DETECTION SYSTEMS
Vasil Dimitrov, Emiliya Dimitrova, Emil Borisov
“Todor Kableshkov” University of Transport, Sofia, Bulgaria

FMEA METHOD IN PROCESS QUALITY MANAGEMENT
Sandra Milunović Koprivica, Lidija Paunović, Olga Ristić
University of Kragujevac, Faculty of technical Sciences, Čačak, Serbia

GENETIC SYNTHESIS OF HYBRID ELECTRO-MECHANICAL SYSTEMS FOR MOTOR-SPINDLE UNITS WITH ADAPTIVE SPATIAL STRUCTURE
Vasyl Shynkarenko¹, Yuriy Kuznetsov¹, Lubomir Soos², Alexandr Shevchenko^1
1National Technical University of Ukraine "Ihor Sikorsky Kyiv Polytechnic Institute", Ukraine
²Technical University in Bratislava, Slovakia

EFFECT OF COOLING CONDITION AND TURNING GOVERNING FACTORS ON THE ROUGHNESS OF HEAT-TREATED 42CRMO4 STEEL SPECIMENS
Kalin Anastasov
Technical University of Gabrovo, Department of Mechanical Engineering and Technologies, Gabrovo, Bulgaria