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Wyszukujesz frazę "meshing forces" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Influence of the movement of involute profile gears along the off-line of action on the gear tooth position along the line of action direction
Autorzy:
Jedliński, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/2038108.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
normal backlash
analytical model
OLOA movement
bearings reactions
dynamic meshing forces
Opis:
When gears change their distance along the off-line of action (OLOA) direction, this affects the distance between the working surfaces of the meshing teeth along the line of action (LOA). This effect is usually neglected in studies. To include this effect precise equations are derived for spur gears. The analysis is carried out for the general case of spur gears with shifted profiles frequently used in the industry. The influence of OLOA gear displacement on LOA direction is also a function of gears parameters. An analysis is conducted, and the impact of parameters such as module, pressure angle, gear ratio, and the number of teeth is determined. As an example, a simulation of a 12 DOF analytical model is presented. The movement of gears along OLOA is caused by a frictional force that can be high during tooth degradation e.g. scuffing. Results show that when the movement of gears along the OLOA direction is significant, its influence on the distance between the mating teeth should not be neglected.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 4; 736-744
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New Analytical Model of Spur Gears with 5 DOF Shafts and its Comparison with Other DOF Models
Autorzy:
Jedliński, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/2024180.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
dynamic meshing forces
5 DOF shafts
analytical gear model
multi-DOF
gear model comparison
Simulink equations
dynamiczna siła zazębienia
wały 5 DOF
analityczny model przekładni
multi DOF
porównanie modeli przekładni
równania Simulink
Opis:
This study relates to the research on improving analytical models of gears. A new analytical model of gear shaft with 5 DOF was proposed. Equations of vibration were derived without small-angle approximation and were presented in a form that could be implemented in Simulink. In order to determine the effect of the additional DOF, four popular models having 2 DOF, 4 DOF, 6 DOF and 8 DOF were investigated, too. The proposed model has 12 DOF in total. This number of DOF could be increased; this, however, would result in a greater difference between the considered models, thus making it more difficult to evaluate the impact of the additional DOF of shafts. As a benchmark, the dynamic meshing force in the considered analytical models was calculated. Simulations were carried out with and without friction. Additionally, for the 12 DOF model, the effects of the position of the centre of gear and the centre of mass were investigated.
Źródło:
Advances in Science and Technology. Research Journal; 2021, 15, 1; 79-91
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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