Autor: Jagiełowicz, P. E. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Preliminary research of prototypes helical gears for power transmission systems
Autorzy:: Sobolak, M.
Jagielowicz, P. E.
Powiązania:: https://bibliotekanauki.pl/articles/245597.pdf
Data publikacji:: 2009
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: rapid prototyping
bevel gears
Opis:: The toothed gears are used in the power transmission systems. It is result from advantages of them (e.g. efficiency, reliability, fatigue life, high-load transmission). In the power transmission systems for trucks, and for cars with back drive, gear pairs are used. In that case it is possible to transfer turning moment under right angle. The most common in use in so-called main axle are bevel or hypoid gear pairs. Differential gears are mainly built basis of straight bevel gears. The paper presents method of preliminary determination of usability bevel gears for transfer turning moment. The method uses gears' models which are made with Rapid Prototyping techniques. The gears are placed in the testbed, which enables to steady load of gear pair. The observation of tooth contact makes possible to preliminary evaluate of correctness of gear pair's working. The tooth contact's changes are observed during gear rotation. The direct observation of tooth gears can be done using transparent material for gears. Besides, it is possible to determine temporary tooth contact and its changes in function of gears' rotation for existing metal gear pairs. In order to analyse, it is necessary to make copy of existing gears vacuum cleaning method. It uses the silicone forms as a template to make copies. It should be use transparent material. The method enables to analyse tooth contact in gear pairs after lifetime, thereby evaluating impact of working on correctness of gear pairs' working.
Źródło:: Journal of KONES; 2009, 16, 3; 375-380
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The globoidal worm gear with rotary teeth and autodenous backlash self-eliminating used in motorization
Autorzy:: Sobolak, M.
Jagiełowicz, P. E.
Powiązania:: https://bibliotekanauki.pl/articles/243915.pdf
Data publikacji:: 2014
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: globoidal worm gear
backlash eliminating
Opis:: The worm gears are useful where the transmission ratio and the self-locking are needed (for particular gears). In the automotive industry, the worm gears are used in worm-and-roller steering gears, drives of the windshield wipers, wind-down car windows, etc. These gears have various versions, as a helical worm-gear and a globoidal worm-gear. The globoidal worm-gear, with rotary teeth was presented. This is an innovative idea connected with this type of gears. In the gear, the globoidal worm gear was used, and the classical worm wheel was replaced by the wheel with rotary teeth in the shape of the frustum of cone. The frustum of cone shape is needed because of minimization of the slippage between the teeth and the surface of the worm gear. The gear teeth have the helical shape. Rotation of the teeth, having appropriate angle of the conical surface, helps to minimize the slippage. In addition, the teeth are able to displace axially. In use, the teeth are pressed against the worm surface by the push springs. It allows eliminating the backlash and improving the gear operation. This type of gear, compared to classic globoidal gear has much higher efficiency. This facility results from replacing the worm friction on the worm wheel into the journal friction in a rolling bearing, where the rotary tooth is bearded. The capacity of the globoidal worm gear, compared to the classic gear is lower, but the uniformity of the load distribution on all teeth is strong advantage of it. Abovementioned gear can be used where the high transmission ratio is needed and the backlash caused during the gear exploitation is impermissible. For example, it can be used in steering system.
Źródło:: Journal of KONES; 2014, 21, 1; 267-272
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Design of polymer gears for auxiliary power transmission systems of automotive vehicles
Autorzy:: Budzik, G.
Sobolak, M.
Jagiełowicz, P. E.
Powiązania:: https://bibliotekanauki.pl/articles/247538.pdf
Data publikacji:: 2010
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: polymer gears
auxiliary power transmission systems
Opis:: he polymer gears owing to their advantages are used in auxiliary power transmission systems of automotive . For example, the gears occur in transmissions of drives of car wipers or drives of car windows. The polymers are mainly used owing to lower production cost than in steel gears. The better silent-running and corrosion z are their other advantages in comparison with steel gears. Unfortunately, the polymer gears are not devoid of disadvantages. The main disadvantages are the lower efficiency and the lower capacity and what follows — the bigger dimensions. The conservative attitude of design of polymer gears is still noticeable. As a rule, such gears e steel gears, but the polymer gears are designed with bigger module. The most probably owing costs and lack of proper design recommendations, for design of polymer gears is used geometry of classic steel gears, because the procedure of analytical strength calculations for classic gears is well-know. The gears made from polymers are built in the mould matrices. In constructions of many mechanisms, the gears can be replaced in case of consumption or damage, so the construction of such gears that can be produced in the machine shop equipped with gear generating e for standard gears, was justified. Nowadays, the constructions of mechanisms used in automotive vehicles are often not even dismountable, but the whole mechanism is changed. It is worth changing the attitude to design of such transmissions. The method of gears production gives many opportunities. The production of gears with ited geometry, also such geometry that is impossible to obtain using traditional methods of machining, is possible in the mould matrices.
Źródło:: Journal of KONES; 2010, 17, 4; 73-77
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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