Chernets M.V., Chernets Ju.M. The estimation of contact strength, wear and durability of cylindrical spur tractive gear of electric locomotive at high-altitude correction of engagement.

  • М. В. Чернець
  • Ю. М. Чернець
Keywords: cylindrical involute spur gear, high-altitude correction of engagement, contact pressure, tooth wear, gear durability.

Abstract

For cylindrical spur tractive gear it has been conducted the calculation of maximal contact pressures, teeth wear and durability at high-altitude correction of engagement. It has been established the regularities of tribocontact pressures change in engagement after reaching the permissible wear depending on shift coefficients in the phases of double – single – double engagement. It is observed the considerably larger value of maximal contact pressures at the entrance into single-tooth engagement than at the entrance into double-tooth engagement. Depending on shift coefficients, maximal (permissible) wear of wheel teeth would arise in different specific contact points: at the entrance into single-tooth engagement in non-corrected gear and at the exit out of it in the presence of correction. Gear durability has its optimum at shift coefficients = 0 and in this case it is 1,245 larger than in non-corrected gear.

References

1. Czernec M.V., Jarema R.Ja Uzahalnenyj metod ocinky vplyvu koryhuvannja zubiv na resurs, znoszuvannja ta kontaktnu micnist cylindrycznych evolventnych peredacz. FKhMM. 2011. №4. С. 115 – 121.
2. Czernec M.V., Jarema R.Ja. Do pytannja pro ocinku vplyvu koryhuvannja zubiv cylindrycznoi evolventnoi kosozuboi peredaczi na jih kontaktnu micnist. Problemy trybologii. 2011. №4. С. 26 – 32.
3. Czernec M.V., Jarema R.Ja., Czernec Ju.M. Metod ocinky vplyvu koryhuvannja i znoszuvannja zubiv evolventnoi cylindrycznoi peredaczi na dovhovicznist ta micnist. Czast. 1. Dovhovicznist i znoszuvannja. FKhMM. 2012. №3. С. 30 – 39.
4. Czernec M.V., Jarema R.Ja., Czernec Ju.M. Metod ocinky vplyvu koryhuvannja i znoszuvannja zubiv evolventnoi cylindrycznoi peredaczi na dovhovicznist ta micnist. Czast. 2. Kontaktna micnist. FKhMM. 2012. №6. С. 56 – 59.
5. Pasta A., Mariotti Virzi G. Finite element method analysis of a spur gear with a corrected profile. J. Strain Analysis. 2007. Vol.42. P. 281-292.
6. Zwolak J., Martyna М. Analiza naprężeń kontaktowych i naprężeń zginających występujących w przekładniach zębatych power shift. Tribologia. 2011. Vol. 42. № 3. S. 155 – 165.
7. Zwolak J., Wittek M. Optymalizacja parametrów geometrycznych kół zębatych w aspekcie minimalizacji naprężeń kontaktowych. Tribologia. Vol. 45. 2011. № 6. S. 283 – 291.
Published
2018-07-03
How to Cite
Чернець, М., & Чернець, Ю. (2018). Chernets M.V., Chernets Ju.M. The estimation of contact strength, wear and durability of cylindrical spur tractive gear of electric locomotive at high-altitude correction of engagement. Problems of Tribology, 87(1), 6-9. Retrieved from https://tribology.khnu.km.ua/index.php/ProbTrib/article/view/646
Section
Articles