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Transmission characteristics of an RV reducer based on ADAMS

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Abstract

In order to study the influence of various factors on the transmission error of an RV (rotate vector), the working principle and structure of reducer are analyzed, and the ratio is calculated. The mass-spring equivalent model is used to calculate the force, and the mathematical model of transmission error is established and combined with the translation-torsion coupling model. The transmission performance of the RV reducer was characterized using ADAMS and compared with the mathematical model. The effects of three different modification methods and load analysis techniques at different output terminals on the transmission error and frequency ratio are compared. Increasing the meshing clearance between cycloid gear and pin tooth will increase the error. An RV reducer test bench is established to compare the influence of different speeds and torques on transmission error. The analysis shows that the gap between the secondary cycloidal pin gear transmission and the crankshaft installation error is the main cause of the tooth gap. The simulation and experimental results verify the accuracy of the mathematical model.

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Abbreviations

m bx :

The mass of the cycloidal wheel

J oj :

The moment of inertia of the cycloidal wheel

m s :

The center wheel mass

A i :

The angle between the center wheel and planetary gear meshing line and the X axis

J s :

The moment of inertia of the planetary gear

R s :

The radius of the base circle of the center wheel

ω c :

The theoretical angular velocity of the planet carrier

J sp :

The moment of inertia of the connecting mechanism between the planetary gear and the crankshaft

m sp :

The planetary gear and crankshaft mass

m ca :

The planet carrier mass

g :

The acceleration of gravity

J ca :

The moment of inertia of the planet carrier

T out :

The torque in the opposite direction of the output shaft

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Acknowledgments

This work was supported in part by the Union Fund of Science and Technology R&D Plan of Henan Province (Grant No. 222103810040), in part by the Key Scientific Research Projects of Higher Education Institutions in Henan Province (Grant No. 23A460017), China.

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Authors and Affiliations

  1. School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, Henan, 471003, China

    Huiliang Wang, Wenhua Fu & Kai Fang

  2. Collaboration Innovation Center of Machinery Equipment Advanced Manufacturing of Henan Province, Henan University of Science and Technology, Luoyang, Henan, 471003, China

    Huiliang Wang

  3. Jutong Elevator (Rail Transit) Department, Henan Mechanical and Electrical Vocational College, Zhengzhou, Henan, 451191, China

    Tiancong Chen

Authors
  1. Huiliang Wang
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  2. Wenhua Fu
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Correspondence to Huiliang Wang.

Additional information

Huiliang Wang received the Ph.D. degree in mechanical design and theory from Northwestern Polytechnical University, Xian, Shanxi, China, in 2016. He is currently an Associate Professor with the School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang, China. His research interests include industrial engineering, mechanical product digital design and performance analysis, and computer integrated manufacturing systems.

Wenhua Fu received a bachelor’s degree from Xinlian College of Henan Normal University. Now she is studying in mechanical engineering in Henan University of Science and Technology. Her research focuses on grinding internal helical gears.

Kai Fang received a bachelor’s degree in mechanics from Shangqiu Institute of Technology. He is currently studying for a master’s degree in mechanical engineering at Henan University of Science and Technology. His research directions include reducer design and analysis, mechanical dynamics analysis and so on.

TianCong Chen received a master’s degree in mechanical and electronic engineering from Henan University of Science and Technology. She is currently a lecturer at Henan Mechanical and Electrical Vocational College. Her main research interests are research on key technologies of rehabilitation robot, mechatronics system.

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Wang, H., Fu, W., Fang, K. et al. Transmission characteristics of an RV reducer based on ADAMS. J Mech Sci Technol 38, 787–802 (2024). https://doi.org/10.1007/s12206-024-0126-9

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  • DOI: https://doi.org/10.1007/s12206-024-0126-9

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