GAO, Song ;LI, Yiwan ;ZHANG, Yueming ;JI, Shuting ;WANG, Jiapeng . Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 70, n.9-10, p. 452-565, june 2024. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/sl/article/lifespan-evaluation-for-a-prototype-rv-reducer-based-on-fatigue-strength-theory/>. Date accessed: 20 dec. 2024. doi:http://dx.doi.org/10.5545/sv-jme.2023.897.
Gao, S., Li, Y., Zhang, Y., Ji, S., & Wang, J. (2024). Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory. Strojniški vestnik - Journal of Mechanical Engineering, 70(9-10), 452-565. doi:http://dx.doi.org/10.5545/sv-jme.2023.897
@article{sv-jmesv-jme.2023.897,
author = {Song Gao and Yiwan Li and Yueming Zhang and Shuting Ji and Jiapeng Wang},
title = {Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {70},
number = {9-10},
year = {2024},
keywords = {RV reducer; lifespan evaluation; crankshaft bearing; simulation analysis; accelerated test; },
abstract = {Rotate vector (RV) reducers are the two-stage deceleration device comprising involute and cycloid-pin gear transmission mechanisms. As the typical deceleration elements, they are widely applied in industrial robots, digitally controlled machine tools and automation fields due to their compact structure and high precision. However, a reducer may lose precision after a long-term operation. Moreover, pitting and metal peeling of internal components may also occur, leading to a fatigue failure. Therefore, it is necessary to conduct investigations on lifespan evaluation for RV reducers. In this study, the CRV-80E reducer is taken as the research object. Firstly, according to its transmission characteristics, the lifespan evaluation model for a standard RV reducer is established based on fatigue strength theory and Palmgren-Miner linear cumulative damage law, with the internal crankshaft bearing is considered as the key component. Then, the simulations are carried out on crankshaft bearing by the ANSYS Workbench and SKF SimPro. The contact stress, deformation on bearing rollers, and the rated lifespan of the reducer are simulated. Finally, the accelerated life test is conducted on an RV reducer by increasing the external load with the positioning precision as an output and criterion. After the test, the reducer is disassembled, and metal peeling failure is observed on the crankshaft bearing while other parts are relatively intact. The test results validate the feasibility and accuracy of the service life evaluation model and simulation analysis. This study provides a new research approach for researchers and manufacturers and a design reference for engineers to improve the lifespan of RV reducers by optimizing crankshaft bearings, which have a certain academic value.},
issn = {0039-2480}, pages = {452-565}, doi = {10.5545/sv-jme.2023.897},
url = {https://www.sv-jme.eu/sl/article/lifespan-evaluation-for-a-prototype-rv-reducer-based-on-fatigue-strength-theory/}
}
Gao, S.,Li, Y.,Zhang, Y.,Ji, S.,Wang, J. 2024 June 70. Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 70:9-10
%A Gao, Song %A Li, Yiwan %A Zhang, Yueming %A Ji, Shuting %A Wang, Jiapeng %D 2024 %T Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory %B 2024 %9 RV reducer; lifespan evaluation; crankshaft bearing; simulation analysis; accelerated test; %! Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory %K RV reducer; lifespan evaluation; crankshaft bearing; simulation analysis; accelerated test; %X Rotate vector (RV) reducers are the two-stage deceleration device comprising involute and cycloid-pin gear transmission mechanisms. As the typical deceleration elements, they are widely applied in industrial robots, digitally controlled machine tools and automation fields due to their compact structure and high precision. However, a reducer may lose precision after a long-term operation. Moreover, pitting and metal peeling of internal components may also occur, leading to a fatigue failure. Therefore, it is necessary to conduct investigations on lifespan evaluation for RV reducers. In this study, the CRV-80E reducer is taken as the research object. Firstly, according to its transmission characteristics, the lifespan evaluation model for a standard RV reducer is established based on fatigue strength theory and Palmgren-Miner linear cumulative damage law, with the internal crankshaft bearing is considered as the key component. Then, the simulations are carried out on crankshaft bearing by the ANSYS Workbench and SKF SimPro. The contact stress, deformation on bearing rollers, and the rated lifespan of the reducer are simulated. Finally, the accelerated life test is conducted on an RV reducer by increasing the external load with the positioning precision as an output and criterion. After the test, the reducer is disassembled, and metal peeling failure is observed on the crankshaft bearing while other parts are relatively intact. The test results validate the feasibility and accuracy of the service life evaluation model and simulation analysis. This study provides a new research approach for researchers and manufacturers and a design reference for engineers to improve the lifespan of RV reducers by optimizing crankshaft bearings, which have a certain academic value. %U https://www.sv-jme.eu/sl/article/lifespan-evaluation-for-a-prototype-rv-reducer-based-on-fatigue-strength-theory/ %0 Journal Article %R 10.5545/sv-jme.2023.897 %& 452 %P 114 %J Strojniški vestnik - Journal of Mechanical Engineering %V 70 %N 9-10 %@ 0039-2480 %8 2024-06-16 %7 2024-06-16
Gao, Song, Yiwan Li, Yueming Zhang, Shuting Ji, & Jiapeng Wang. "Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory." Strojniški vestnik - Journal of Mechanical Engineering [Online], 70.9-10 (2024): 452-565. Web. 20 Dec. 2024
TY - JOUR AU - Gao, Song AU - Li, Yiwan AU - Zhang, Yueming AU - Ji, Shuting AU - Wang, Jiapeng PY - 2024 TI - Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2023.897 KW - RV reducer; lifespan evaluation; crankshaft bearing; simulation analysis; accelerated test; N2 - Rotate vector (RV) reducers are the two-stage deceleration device comprising involute and cycloid-pin gear transmission mechanisms. As the typical deceleration elements, they are widely applied in industrial robots, digitally controlled machine tools and automation fields due to their compact structure and high precision. However, a reducer may lose precision after a long-term operation. Moreover, pitting and metal peeling of internal components may also occur, leading to a fatigue failure. Therefore, it is necessary to conduct investigations on lifespan evaluation for RV reducers. In this study, the CRV-80E reducer is taken as the research object. Firstly, according to its transmission characteristics, the lifespan evaluation model for a standard RV reducer is established based on fatigue strength theory and Palmgren-Miner linear cumulative damage law, with the internal crankshaft bearing is considered as the key component. Then, the simulations are carried out on crankshaft bearing by the ANSYS Workbench and SKF SimPro. The contact stress, deformation on bearing rollers, and the rated lifespan of the reducer are simulated. Finally, the accelerated life test is conducted on an RV reducer by increasing the external load with the positioning precision as an output and criterion. After the test, the reducer is disassembled, and metal peeling failure is observed on the crankshaft bearing while other parts are relatively intact. The test results validate the feasibility and accuracy of the service life evaluation model and simulation analysis. This study provides a new research approach for researchers and manufacturers and a design reference for engineers to improve the lifespan of RV reducers by optimizing crankshaft bearings, which have a certain academic value. UR - https://www.sv-jme.eu/sl/article/lifespan-evaluation-for-a-prototype-rv-reducer-based-on-fatigue-strength-theory/
@article{{sv-jme}{sv-jme.2023.897},
author = {Gao, S., Li, Y., Zhang, Y., Ji, S., Wang, J.},
title = {Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {70},
number = {9-10},
year = {2024},
doi = {10.5545/sv-jme.2023.897},
url = {https://www.sv-jme.eu/sl/article/lifespan-evaluation-for-a-prototype-rv-reducer-based-on-fatigue-strength-theory/}
}
TY - JOUR AU - Gao, Song AU - Li, Yiwan AU - Zhang, Yueming AU - Ji, Shuting AU - Wang, Jiapeng PY - 2024/06/16 TI - Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 70, No 9-10 (2024): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2023.897 KW - RV reducer, lifespan evaluation, crankshaft bearing, simulation analysis, accelerated test, N2 - Rotate vector (RV) reducers are the two-stage deceleration device comprising involute and cycloid-pin gear transmission mechanisms. As the typical deceleration elements, they are widely applied in industrial robots, digitally controlled machine tools and automation fields due to their compact structure and high precision. However, a reducer may lose precision after a long-term operation. Moreover, pitting and metal peeling of internal components may also occur, leading to a fatigue failure. Therefore, it is necessary to conduct investigations on lifespan evaluation for RV reducers. In this study, the CRV-80E reducer is taken as the research object. Firstly, according to its transmission characteristics, the lifespan evaluation model for a standard RV reducer is established based on fatigue strength theory and Palmgren-Miner linear cumulative damage law, with the internal crankshaft bearing is considered as the key component. Then, the simulations are carried out on crankshaft bearing by the ANSYS Workbench and SKF SimPro. The contact stress, deformation on bearing rollers, and the rated lifespan of the reducer are simulated. Finally, the accelerated life test is conducted on an RV reducer by increasing the external load with the positioning precision as an output and criterion. After the test, the reducer is disassembled, and metal peeling failure is observed on the crankshaft bearing while other parts are relatively intact. The test results validate the feasibility and accuracy of the service life evaluation model and simulation analysis. This study provides a new research approach for researchers and manufacturers and a design reference for engineers to improve the lifespan of RV reducers by optimizing crankshaft bearings, which have a certain academic value. UR - https://www.sv-jme.eu/sl/article/lifespan-evaluation-for-a-prototype-rv-reducer-based-on-fatigue-strength-theory/
Gao, Song, Li, Yiwan, Zhang, Yueming, Ji, Shuting, AND Wang, Jiapeng. "Lifespan Evaluation for a Standard RV Reducer based on Fatigue Strength Theory" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 70 Number 9-10 (16 June 2024)
Strojniški vestnik - Journal of Mechanical Engineering 70(2024)9-10, 452-565
© The Authors 2024. CC BY 4.0 Int.
Rotate vector (RV) reducers are the two-stage deceleration device comprising involute and cycloid-pin gear transmission mechanisms. As the typical deceleration elements, they are widely applied in industrial robots, digitally controlled machine tools and automation fields due to their compact structure and high precision. However, a reducer may lose precision after a long-term operation. Moreover, pitting and metal peeling of internal components may also occur, leading to a fatigue failure. Therefore, it is necessary to conduct investigations on lifespan evaluation for RV reducers. In this study, the CRV-80E reducer is taken as the research object. Firstly, according to its transmission characteristics, the lifespan evaluation model for a standard RV reducer is established based on fatigue strength theory and Palmgren-Miner linear cumulative damage law, with the internal crankshaft bearing is considered as the key component. Then, the simulations are carried out on crankshaft bearing by the ANSYS Workbench and SKF SimPro. The contact stress, deformation on bearing rollers, and the rated lifespan of the reducer are simulated. Finally, the accelerated life test is conducted on an RV reducer by increasing the external load with the positioning precision as an output and criterion. After the test, the reducer is disassembled, and metal peeling failure is observed on the crankshaft bearing while other parts are relatively intact. The test results validate the feasibility and accuracy of the service life evaluation model and simulation analysis. This study provides a new research approach for researchers and manufacturers and a design reference for engineers to improve the lifespan of RV reducers by optimizing crankshaft bearings, which have a certain academic value.