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Raziskava bočne nosilnosti zobnikov s progresivno ukrivljeno ubirnico = [Research of tooth flankʹs durability of gears with progressive curved path of contact] : doktorsko deloOkorn, IvanZa posebno ozobje z ukrivljeno ubirnico je bilo potrebno ugotoviti bočno nosilnost in toplotno obremenitev, dobljene rezultate pa primerjati z vrednostmi pri evolventnem ozobju. Profil osnovne ... zobnice posebnega ozobja je bil znan in popisan z enačbo. S tem je bila določena oblika orodja za zobčanje. Razvita je bila splošna analitična metoda za določanje krivinskih radijev v ubirnih točkah. Na osnovi zahtev preizkuševališča FZG so bile določene dimenzije preizkusnih zobnikov s posebnim in evolventnim profilom. V ubirnih točkah so na osnovi znanih enačb izračunani geometrijski in kinematski parametri, Hertzovi kotalni tlaki, debeline oljnega filma in kontaktne temperature. Na osnovi navedenih parametrov je podana teoretična ocena nosilnosti evolventnih in posebnih zobnikov. Izpeljana je bila enačba za izračun nosilnosti oljnega filma pri približevanju bokov zob. Ocenjena je verjetnost zadiranja bokov zob na začetku ubiranja. Izvedeni so bili preizkusi zobnikov na zajedanje in jamičenje, ki naj bi potrdili ali ovrgli teoretične ocene. Na osnovi dobljenih rezultatov preizkusov sta podani primerjavi bočne nosilnosti in toplotne obremenitve evolventnih in posebnih zobnikov. Rezultati se dobro ujemajo s teoretičnimi ocenami. Ugotovljeno je, pri kakšnih obratovalnih pogojih so posebni zobniki boljši od evolventnih.Type of material - dissertationPublication and manufacture - Ljubljana : [I. Okorn], 2000Language - slovenianCOBISS.SI-ID - 3614235
Author
Okorn, Ivan
Other authors
Hlebanja, Jože |
Vižintin, Jožef
Topics
Zobniki |
Nosilnost |
Disertacije |
strojni elementi |
gonila |
toplotne obremenitve |
jamičenje |
obraba
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Hlebanja, Jože | 00037 |
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