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Some Considerations on the Geometry of High Transverse Contact Ratio Internal Involute Gears (CROSBI ID 575536)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Vrcan, Željko ; Lovrin, Neven ; Križan, Božidar Some Considerations on the Geometry of High Transverse Contact Ratio Internal Involute Gears // IN‐TECH 2011 Proceedings of International Conference on Innovative Technologies / Kudláček, Jan ; Car, Zlatan ; Pepelnjak, Tomaž et al. (ur.). Bratislava: Kudláček, Jan, 2011. str. 579-582

Podaci o odgovornosti

Vrcan, Željko ; Lovrin, Neven ; Križan, Božidar

engleski

Some Considerations on the Geometry of High Transverse Contact Ratio Internal Involute Gears

High transverse contact ratio (HCR) gears are involute gears with a transverse contact ratio εα higher than two. HCR involute gears present certain advantages when compared to conventional gears, such as increased load capacity, more uniform torque transmission and noise reduction, due to tooth pairs in double or triple simultaneous contact, instead of a single or double contact. The increase in load capacity results in reduced gear size and extended gear life. These gears also have some drawbacks, such as reduced tooth tip thickness and worse sliding conditions between the teeth flanks, as well as high manufacturing accuracy requirements, resulting in increased production costs. The benefits of the application of HCR gears outweigh the drawbacks of this type of gears, so they are being increasingly applied to passenger cars, as well as to other road vehicles, aircrafts and ships. As the contact ratio of these gears varies 2 < εα < 3 instead of the 1 < εα < 2 found in standard gears, the total force acting on the tooth flank will be reduced to 33…50% from 50…100% found in standard gears. In order to correctly determine this load distribution, the gear geometry must be researched, notably the influence of the normal pressure angle αn and gear tooth height h on the transverse contact ratio εα.

involute gear; internal gear; high contact ratio; load capacity; load distribution

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nije evidentirano

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nije evidentirano

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Podaci o prilogu

579-582.

2011.

objavljeno

Podaci o matičnoj publikaciji

IN‐TECH 2011 Proceedings of International Conference on Innovative Technologies

Kudláček, Jan ; Car, Zlatan ; Pepelnjak, Tomaž ; Pakosta, Michal

Bratislava: Kudláček, Jan

9788090450264

Podaci o skupu

International Conference on Innovative Technologies IN‐TECH 2011

ostalo

01.09.2011-02.09.2011

Bratislava, Slovačka

Povezanost rada

Strojarstvo