... that the input shaft rotates one round, the data are solved at every angle, the interval angle is 1 deg, and the interval time is 0.000101626 s. Sections 3.2 and 3.3 discuss these results for each component part. Because the cycloidal gear is a core part of the reducer, understanding its motion...

...Fisseha M. Alemayehu; Stephen Ekwaro-Osire 2 Corresponding author. Contributed by the Power Transmission and Gearing Committee of ASME for publication in the J OURNAL OF M ECHANICAL D ESIGN . Manuscript received October 4, 2013; final manuscript received April 5, 2014; published online...

...Yang-zhi Chen; Shun-ke Liang; Jiang Ding 1 Corresponding author. Contributed by the Power Transmission and Gearing Committee of ASME for publication in the J OURNAL OF M ECHANICAL D ESIGN . Manuscript received April 22, 2013; final manuscript received February 22, 2014; published online...

... 0 * > ɛ α (spur gears) or E 0 * > 1 (helical gears). Fig. 15 Optimum relief for ( a ) the nominal CD and ( b ) CD + 0.1 mm—Gear C in Table 2 Nomenclature a = center distance b 1,2 = face width of pinion and gear e ( M...

...D. Ghribi; J. Bruyère; Ph. Velex; M. Octrue; M. Haddar This paper addresses the definition of robust profile modifications in spur and helical gears. An original methodology is introduced which relies on closed-form analytical results on transmission errors combined with a gradient descent...

...P. Velex; J. Bruyère; D. R. Houser Some theoretical developments are presented, which lead to approximate analytical results on quasi-static transmission errors valid for low and high contact ratio spur and helical gears. Based on a multidegree-of-freedom gear model, a unique scalar equation...

...Edzrol Niza Mohamad; Masaharu Komori; Hiroaki Murakami; Aizoh Kubo; Suping Fang The transmission error of gears is an important factor for power transmissions, particularly automotive. Consequently, a lot of research has been conducted on the gear transmission. However, in contrast, there remains...

...Masaharu Komori; Fumi Takeoka; Koshi Kondo; Yohan Kondo; Toshiyuki Takatsuji; Sonko Osawa; Aizoh Kubo Vibration of gears is a serious problem in mechanical devices. The characteristics of these vibrations are strongly affected by tooth flank form deviation of micrometer or submicrometer order...

...Masaharu Komori; Fumi Takeoka; Aizoh Kubo; Kazuhiko Okamoto; Sonko Osawa; Osamu Sato; Toshiyuki Takatsuji; Yohan Kondo The reduction in the vibration and noise of gears is an important issue in mechanical devices such as vehicles and wind turbines. The characteristics of the vibration and noise...

...P. Velex; F. Ville An original displacement-based formulation of tooth friction power losses in spur and helical gears is established, which can account for the influence of tooth profile modifications. Several analytical formulas are derived enabling friction losses to be easily estimated...

...Gang Liu; Robert G. Parker This work studies the effects of tooth profile modification on multimesh gearset vibration. The nonlinear analytical model considers the dynamic load distribution between the individual gear teeth and the influence of variable mesh stiffnesses, profile modifications...

...Fumi Takeoka; Masaharu Komori; Aizoh Kubo; Hiroshige Fujio; Shigeaki Taniyama; Takehiro Ito; Toshiyuki Takatsuji; Sonko Osawa; Osamu Sato The vibration and noise of gears is one of the serious problems for devices, such as vehicles and wind turbines. The characteristics of the vibration and noise...

...Carlo Innocenti With reference to the machining of an involute spur or helical gear by the hobbing process, the paper suggests a new criterion for selecting the position of the hob axis relative to the gear axis. By adhering to the proposed criterion, the hob axis is set at the minimum distance...