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Keywords = cycloid–pinion system

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21 pages, 7691 KB  
Article
Transmission Efficiency of Cycloid–Pinion System Considering the Assembly Dimensional Chain
by Ning Jiang, Shuting Wang, Aodi Yang, Wan Zhou and Jie Zhang
Appl. Sci. 2022, 12(23), 11917; https://doi.org/10.3390/app122311917 - 22 Nov 2022
Cited by 10 | Viewed by 2595
Abstract
The rotary vector reducer is the core component of industrial robots, and the transmission efficiency is undoubtedly an important indicator of transmission performance. In addition, the assembly dimensional chain leads to clearance between parts, which can have a certain impact on the transmission [...] Read more.
The rotary vector reducer is the core component of industrial robots, and the transmission efficiency is undoubtedly an important indicator of transmission performance. In addition, the assembly dimensional chain leads to clearance between parts, which can have a certain impact on the transmission efficiency. During previous studies, this effect was often ignored. Firstly, the cycloid tooth profile is a relatively large collection of points. Therefore, a more efficient tooth profile model is employed as the basis for the calculation. Secondly, the contact between the cycloid and the pinion is determined by experimental observation to be a point contact rather than a theoretical line contact. Moreover, the dynamics and friction loss models of the cycloid–pinion system are constructed. Finally, the assembly dimensional chain is introduced into the different structural designs. The clearance results were obtained with the extreme value method. The results show that the addition of the pinion sleeve allows the system to have a smoother drive process and a more efficient transmission; this was verified with ADAMS. Full article
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