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

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

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

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

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