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Distinction of Roller Bearing Defect from Gear Defect via Envelope Process and Autocorrelation Enhancement

SAE International Journal of Passenger Cars - Mechanical Systems, 2017
<div class="section abstract"><div class="htmlview paragraph">Bearing and gear condition monitoring are important to improve a mechanical system reliability and performance. In the early stage of bearing failures, the Bearing Characteristic Frequencies (<i>BCFs</i>) contain very little energy and are often overwhelmed by noise ...
Mohamed El Morsy, Gabriela Achtenova
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Tooth contact parameters analysis of the non-backlash double-roller enveloping hourglass worm gearing

2010 International Conference on Mechanic Automation and Control Engineering, 2010
The tooth contact parameters such as lubrication angle, induced normal curvature, entrainment velocity, et al. of the nonbacklash double-roller enveloping hourglass worm gearing and influencing factors are studied systematically. The averages of the lubrication angle, the induced normal curvature, the entrainment velocity and the roller's rotation ...
null Zhang Junfu   +4 more
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Investigation on the Backlash of Roller Enveloping Hourglass Worm Gear: Theoretical Analysis and Experiment

Journal of Mechanical Design, 2019
This paper proposes a single-roller enveloping hourglass worm gear design and verifies its advantages compared to the existing double-roller worm gear system and the conventional worm gear set. Our hypothesis is that the single-roller worm gear with appropriate configurations and parametric values can eliminate the backlash in mating gear transmission ...
Xingqiao Deng   +7 more
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Finite Element Analysis of Inclined Double-Roller Enveloping Hourglass Worm Gearing Based on Workbench

Advanced Materials Research, 2014
To further analyze the deformation and stress of inclined double-roller enveloping hourglass worm gearing, based on the research of geometric characteristic analysis of non-parallel double-roller enveloping hourglass worm gearing and solid modeling of non-parallel double-roller enveloping hourglass worm, helical-line of tooth-surface are obtained using
Hao Tang, Zai Xin Liu, Hao Rong
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Meshing Characteristics and Engagement of Anti-Backlash Single- and Double-Roller Enveloping Hourglass Worm Gear

Volume 14: Design, Systems, and Complexity, 2019
Abstract Anti-backlash roller enveloping hourglass worm gears, as a new precision transmission system, has been extensively applied in robot joint design, packaging production line, and CNC (computer numerical control) machine tools. However, their corresponding transmission principles are seldom reported in the literature.
Ge He   +5 more
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Study and failure analysis of Zero-Backlash high precision roller Enveloping reducer

Engineering Failure Analysis, 2022
Shisong Wang   +3 more
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Finite Element Contact Analysis of the Cone Roller Enveloping Worm Gearing and Stress Computation

1992
The cone roller enveloping worm gearing with multi-tooth contact instantaneously is investigated by the finite element contact analysis approach combined with the automatic generation techniques of computational modeling and computer graphic algorithm.
Long Hui, Zhang Guanghui
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Modeling Method and Simulation Analysis of the Zero-Backlash High Precision Roller Enveloping Reducer

2021
The content of this chapter can be divided into three parts. The first part introduces in detail the three-dimensional modeling method of the ZHPRER through computer means.
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