A contribution to the optimal choice of the HCR-gears regarding frictional losses

• Autorzy: Krizan B. , Basan R. , Lovrin N.
• Konferencja: Second International Tribology Conference
• Języki publikacji: EN

Abstrakty

EN

High transverse contact ratio (HCR) gears are non-standard involute gears with a transverse contact ratio ea>2 which proved adequate for use in automobiles, trucks, aircrafts and ships. The paper deals with the dependence of the sliding friction losses on HCR spur gears geometry such as pressure angle, tooth height, gears centre distance resp. addendum modification coefficients sum, addendum modification coefficients sum distribution and other parameters. The calculations are based on the comparison between the values of the sliding friction loss geometrical factor, which comprises the influence of the magnitude, and form of the toothing. A proper choice of these parameters is necessary for achieving good gearbox efficiency. The calculations results are shown in diagrams which can be a tribological guideline to a designer in choosing gears optimal geometrical parameters.

Słowa kluczowe

EN

addendum modification coefficient; frictional loss; gear; high contact ratio

PL

tarcie; bieg; pojazd samochodowy

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2002
• Tom: Vol. 7, Spec. is
• Strony: 249--254
• Opis fizyczny: Bibliogr. 7 poz., wykr.

Twórcy

autor

Krizan B.

• Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka, CROATIA

autor

Basan R.

• Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka, CROATIA

autor

Lovrin N.

• Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka, CROATIA

Bibliografia

• [1] Kriżan B. (1996): Optimal Gears Addendum Modification Coefficients Based on the Friction Loss Minimum. - VDI-Berichte 1230, VDI Verlag, Duesseldorf.
• [2] Kriżan B. and Lovrin N. (1998): On tribological properties of HCR-gears. - Tribologia, vol.29, No.5, bp,728-739.
• [3] Kriżan B. and Lovrin N. (1999): Some considerations about the load capacity and efficiency of the HCR-gears. - 4th World Congress on Gearing and Power Transmission, Paris, vol.I, pp.43-51.
• [4] Lovrin N. (2001): Load capacity analysis of the high transverse contact ratio involute gearing. - (in Croatian), University of Rijeka, Rijeka, Croatia.
• [5] Munro R.G. and Yildrim N. (1994): Some measurements of static and dynamic transmission errors of spur gears. - International Gearing Conference, University of Newcastle upon Tyne (UK), pp.371- 376.
• [6] Seneczko M. (1981): Mechanical components in the news. - Machine Design, vol.53, No. 14, pp.2-5,
• [7] Villars F. (1999): Calcul d’engrenages en developpante non standards pour Vautomobile. - 4th World Congress on Gearing and Power Transmission, Paris, vol.I, pp.43-51.