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Different teeth profile shapes of polymer gears and comparison of their performance [Elektronski vir]Zorko, Damijan ...This article presents a lifespan testing analysis of polymer gears manufactured by cutting. Compared to injection molding, machine cutting provides higher accuracy of gear geometry. Two different ... tooth flank geometries were tested; i.e. involute and S-gears. In theory, S-gears have several advantages over involute gears due to the convex/concave contact between the matching flanks. The theoretical tooth flank geometry of S-gears provides more rolling and less sliding between the matching flanks, compared to involute gears. The convex/concave contact leads to lower contact stress, which in combination with less sliding means lower losses due to sliding friction and consequently less heat generated. The goal of our research was to prove that tooth flank geometry affects the lifetime of polymer gears, and to find the mechanisms and quantitative differences in the performance of both analyzed geometries. The gears were tested on specially designed testing equipment, which allows exact adjustment of the central axis distance. Two different material pairs (POM/POM and POM/PA66) of the drive and driven gears were tested. Each test was done at a constant moment load and a constant rotational speed. Several tests were conducted using the same conditions due to repeatability analysis. All the tests were performed till the failure of the gear pair and without lubrication. In lifespan testing, the polymer S-gears showed better performance and longer lifespan than involute polymer gears.Vir: Journal of advanced mechanical design, systems and manufacturing [Elektronski vir]. - ISSN 1881-3054 (Vol. 11, no. 6, Dec. 2017, f. 1-10)Vrsta gradiva - e-članekLeto - 2017Jezik - angleškiCOBISS.SI-ID - 15829275
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Zorko, Damijan | 36764 |
Kulovec, Simon | 32265 |
Tavčar, Jože, 1966- | 11664 |
Duhovnik, Jože, 1948- | 02859 |
Vir: Osebne bibliografije
in: SICRIS
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