Faculty of Mechanical Engineering, Lj. (FSLJ)
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Teoretična in eksperimentalna analiza dinamike mehanizmov Rolamite = A theoretical and experimental investigation of the dynamics of Rolamite-type mechanismsUlozas, Ričardas ViktorasPrispevek najprej poroča o teoretični raziskavi dinamičnega modela valja in jermena pri mehanizmu tipa Rolamite (RTM). Dinamični model valja in jermena mehanizma RTM je opisan z diferencialnimi ... enačbami ter analiziran na dva načina, tj. v primeru, ko na sistem ne vpliva vibracijsko vzbujanje, in v primeru, ko le-to vpliva na sistem. Ugotovili smo, da je mogoče s parametri vibracijskega vzbujanja spreminjati parametre nezdrsnega območja. To nas je vodilo do predpostavke, da je v dejanskih mehanizmih tipa Rolamite mogoče vplivati na trenje med strukturnimi elementi mehanizma RTM. Eksperimentalni del raziskave dinamike mehanizma tipa Rolamite z vibrajočimi elementi je bil izveden v treh smereh: kot analiza dinamičnih pojavov v mehanizmu valja in jermena, kot analiza postopkov obvladovanja trenja med elementi mehanizma RTM in kot analiza dinamičnih pojavov v vibramotorjih Rolamite. Povečanje amplitude električne napetosti, zmanjšanje sile obremenitve gibkega jermena, in zmanjsanje kota, pod katerim gibki jermen ovija valj, povzročijo povečanje amplitude vibracij valjev. Mehanizem RTM z vrtečima se in vibrajočima valjema ima v primerjavi z vibrajočima valjema drugačnega tipa boljso ležajno zmogljivost in je precej bolj občutljiv. Največjo sinhronost vrtenja rotorjev zagotavlja vibramotor Rolamite, ki se sestoji iz dveh rotorjev in piezoelektričnega pretvornika vibracij, ki hkrati vrti oba rotorja. Ta vibramotor primerjamo z vibramotorjem Rolamite z dvema rotorjema in piezo električnim pretvornikom vibracij, ki vrti le enega od rotorjev.Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Letn. 53, št. 1, 2007, str. 26-47)Type of material - article, component partPublish date - 2007Language - englishCOBISS.SI-ID - 10046235
Author
Ulozas, Ričardas Viktoras
Topics
Rolamite mehanizmi |
zdrsavanje |
vibracije |
dinamični modeli |
Rolamite type mechanisms |
slipping |
vibrations |
dynamic models
source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Letn. 53, št. 1, 2007, str. 26-47)
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