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Ñ î ä å ð æ à í è å / C o n t e n t s

ABRASIVE TYPE INFLUENCE ON SURFACE ROUGHNESS AT ABRASIVE WATERJET CUTTING
ÀÁÐÀÇÈÂÍÎÃÎ ÒÈÏÀ ÂËÈßÍÈß ÍÀ ØÅÐÎÕÎÂÀÒÎÑÒÜ ÏÎÂÅÐÕÍÎÑÒÈ ÍÀ ÀÁÐÀÇÈÂÍÛÕÃÈÄÐÎÀÁÐÀÇÈÂÍÀß ÐÅÇÊÀ

Sergej Hloch, Jana Mullerova, Jan Valicek.............3

THE EXPLOITATIONAL CHARACTERISTICS OF THE AGRICULTURAL TRACTOR WITH 4WD EQUIPPEDWITH LOADER AND DIGGER
Petrovic Marija , Petrovic Predrag.............................5

TECHNOLOGICAL PARAMETERS OF TRANSFERRED DC “TUBULAR” PLASMA ARC
ÒÅÕÍÎËÎÃÈ×ÍÈ ÏÀÐÀÌÅÒÐÈ ÍÀ ÏÐÅÕÂÚÐËÅÍÀ ÏÎÑÒÎßÍÍÎÒÎÊÎÂÀ ÏËÀÇÌÅÍÀ ÄÚÃÀ „ÒÐÚÁÀ”

Angelova V, Mihovsky M, Petkov V, Mihailov E. ..................................9

VIBRATIONS MEASUREMENTS IN THE EVALUATION OF THE IMPACT OF FOCUSING TUBE WEAR AT ABRASIVE WATERJET MACHINING
ÂÈÁÐÀÖÈß ÈÇÌÅÐÅÍÈÉ Â ÎÖÅÍÊÅ ÂÎÇÄÅÉÑÒÂÈß ÍÀ ÒÐÓÁÓ ÓÏÎÐÎÌ ÍÀ ÀÁÐÀÇÈÂÍÎÃÎ ÈÇÍÎÑÀ ÃÈÄÐÎÀÁÐÀÇÈÂÍÀß ÎÁÐÀÁÎÒÊY

Sergej Hloch, Jan Valicek, Jana Mullerova ..............................11

ENERGY CHARACTERISTICS OF INDUCTION MACHINES DRIVING LIFTING MECHANISMS UNDER CYCLIC MODES
ÝÍÅÐÃETÈ×ÅÑÊÈÅ ÕÀÐÀÊÒÅÐÈÑÒÈÊÈ ÀÑÈÍÕÐÎÍÍÛÕ ÌÀØÈÍ ÄËß ÏÎÄÚÅÌÍÛÕ ÌÅÕÀÍÈÇÌÎÂ, ÐÀÁÎÒÀÞÙÈÕ Â ÖÈÊËÈ×ÅÑÊÈÕ ÐÅÆÈÌÀÕ

Vladimirov P. Spirov D. ......................14

GEOMETRICAL MODELING AND CONSTRUCTIVE DOCUMENTATION OF WELDING GEARS
ÃÅÎÌÅÒÐÈ×ÅÑÊÎÅ ÌÎÄÅËÈÐÎÂÀÍÈÅ È ÊÎÍÑÒÐÓÊÒÎÐÑÊÎÅ
ÄÎÊÓÌÅÍÒÈÐÎÂÀÍÈÅ ÑÂÀÐÍÛÕ ÇÓÁ×ÀÒÛÕ ÊÎËÅÑ

Äèíåâ Ã.;Òîíêîâ Ã.  ...................18

INTERPRETATION OF THE ROUGHNESS MEASUREMENT SPECTRA OF THE
SURFACE PROFILES
ÈÍÒÅÐÏÐÅÒÀÖÈÈ ÑÏÅÊÒÐÎÂ ÈÇÌÅÐÅÍÈß ØÅÐÎÕÎÂÀÒÎÑÒÈ ÍÀ ÏÎÂÅÐÕÍÎÑÒÈ ÏÐÎÔÈËÅÉ

Jan Valicek, Jana Mullerova, Sergej Hloch ................................22

ÂÚÐÕÓ ÎÁÅÊÒÈ ÎÒ ÑÒÎÌÀÍÀ Ñ ÄÅÁÅËÈÍÀ ÍÀ ÑÒÅÍÀÒÀ ÎÒ 10mm
ULTRASONIC TOFD METHOD APPLICATION FOR STEEL COMPONENTS OF 10MM WALL THICKNESS

Ðàäîñòèí Êàñúðîâ, Áîæàíà Òàáàêîâà..................................25

MODELLING ALL-METAL FILTERS FOR DIFFERENT PURPOSES WITH ELASTIC ELEMENT IN THE FORM OF A CABLE
ÌÎÄÅËÈÐÎÂÀÍÈÅ ÖÅËÜÍÎÌÅÒÀËËÈ×ÅÑÊÈÕ ÂÈÁÐÎÈÇÎËßÒÎÐΠÐÀÇËÈ×ÍÎÃÎ ÍÀÇÍÀ×ÅÍÈß Ñ ÓÏÐÓÃÎÄÅÌÏÔÈÐÓÞÙÈÌ ÝËÅÌÅÍÒÎÌ Â ÂÈÄÅ ÒÐÎÑÀ

Ponomarev U.,  Ermakov A., Melentjev V., Gvozdev A., Vasjukov E. .............31

EXPERIMENTAL STUDY OF ALUMINIUM SURFACES CREATED BY WATERJET WITH PRESSURE 0,9 GPa
ÝÊÑÏÅÐÈÌÅÍÒÀËÜÍÎÅ ÈÑÑËÅÄÎÂÀÍÈÅ ÀËÞÌÈÍÈÅÂÎÉ ÏÎÂÅÐÕÍÎÑÒÈ, ÑÎÇÄÀÍÍÛÅ ÃÈÄÐÎÀÁÐÀÇÈÂÍÀß ÏÐÈ ÄÀÂËÅÍÈÈ 0,9 ÃÏÀ

Jan Valicek1, Jana Mullerova, Sergej Hloch................................35

THE STRESSEDLY-DEFORMED STATE OF A RECTANGULAR PLATE WITH RECTANGULAR CUT
ÍÀÏÐ߯ÅÍÍÍÎ-ÄÅÔÎÐÌÈÐÎÂÀÍÍÎÅ ÑÎÑÒÎßÍÈÅ ÏÐßÌÎÓÃÎËÜÍÎÉ ÏËÀÑÒÈÍÛ Ñ ÏÐßÌÎÓÃÎËÜÍÛÌ ÐÀÇÐÅÇÎÌ

G. Kipiani, A. Buksianidze1, D. Kipiani1. .........................38

VIBRATION ANALYSIS OF RESOURCES IN MOBILE TECHNICS
ÂÈÁÐÎÄÈßÃÍÎÑÒÈÊÀ ÀÂÒÎÌÎÁÈËÜÍÎÉ ÒÅÕÍÈÊÈ

Stepan PAVLOV, Peter DROPPA, Mario STIAVNICKY, PhD. ...............41

ESTIMATION OF INSTANTANEOUS CENTER OF ROTATION FROM OBSERVED
MOTION
ÎÖÅÍÊÀ ÌÃÍÎÂÅÍÍÎÃÎ ÖÅÍÒÐÀ ÂÐÀÙÅÍÈß Â ÇÀÂÈÑÈÌÎÑÒÈ ÍÀÁËÞÄÀÅÌÎÃÎ ÄÂÈÆÅÍÈß

Stiavnicky M., Droppa P., Pavlov S. .........................44

EXPERIMENTAL INVESTIGATIONS ON PARTICLES HEATING IN TRANSFERRED DC “TUBULAR” PLASMA ARC
ÅÊÑÏÅÐÈÌÅÍÒÀËÍÎ ÈÇÑËÅÄÂÀÍÅ ÍÀ ÍÀÃÐßÂÀÍÅÒÎ ÍÀ ×ÀÑÒÈÖÈ Â ÏÐÅÕÂÚÐËÅÍÀ ÏÎÑÒÎßÍÍÎÒÎÊÎÂA ÏËÀÇÌÅÍÀ ÄÚÃÀ “ÒÐÚÁÀ”

Mihovsky M, Angelova V., Petkov V., Mihailov E, Hadzhiyski V............................48