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Non-linear Dynamic Modelling and Analysis of Split-Torque Face-Gear Drive Systems
Date
2023-1-01
Author
Özgüven, Hasan Nevzat
Aydoğan , Mustafa Özgür
Sarıbay, Zihni B.
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A non-linear dynamic model of a multi-mesh involute spur pinion-driven face-gear split torque drive system is developed. The lumped mass model consists of five pinions and two face-gears with seven rotational degrees-of-freedom. Model includes two inputs, two outputs, and three idler gears meshing with two identical face-gears at the bottom and top of the assembly. Face-gear tooth form and corresponding spur gear teeth are estab lished by differential geometry and the theory of gearing. Face-gear drive system mesh stiff nesses are established by utilizing finite strip method for the first time in the literature. The mesh stiffness and damping are time-variant. The model includes clearance-type non-line arity. The harmonic balance method is utilized to solve the non-linear differential equations of motion. The results are compared with the time simulation results. The stability is checked with Floquet theory and bifurcation diagrams from Poincare sections. The model is fully capable of generating the tooth geometries, mesh stiffnesses, and gear train dynamics without reliance on any package programs. Hence, the model provides flex ibility and fast computation for parametric studies compared to existing literature. The effect of the pinions’ orientations on the face-gear is investigated to evaluate the mesh phasing effects among system dynamic response. The effect of sub-harmonic motion on the dynamic response of the split-torque face-gear system is also demonstrated for the first time in the literature. The case studies demonstrate that sub-harmonic resonance peaks are avoided.
Subject Keywords
Dynamics
,
Machine dynamics
,
Non-linear vibration
,
Stability
URI
https://hdl.handle.net/11511/105233
Journal
Journal of Vibration and Acoustics
DOI
https://doi.org/https://doi.org/10.1115/1.4056632
Collections
Department of Mechanical Engineering, Article
Citation Formats
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BibTeX
H. N. Özgüven, M. Ö. Aydoğan, and Z. B. Sarıbay, “Non-linear Dynamic Modelling and Analysis of Split-Torque Face-Gear Drive Systems,”
Journal of Vibration and Acoustics
, pp. 1–39, 2023, Accessed: 00, 2023. [Online]. Available: https://hdl.handle.net/11511/105233.