In order to reduce the resonant vibration of thin walled gears used for aeronautical applications, friction ring dampers may be added to the gear. In order to design the damper geometry, engineers must be able to evaluate its effect on the dynamics of the gear. In this paper a method for the calculation of the forced response of gears with friction ring dampers for aeronautical applications is proposed for the first time. The gear and the damper are modeled by means of the finite element method (FEM) and they are coupled by means of contact elements, characterized by tangential and normal contact stiffness. The periodical response of the system is computed in the frequency domain by means of the harmonic balance method. The harmonic excitation is calculated by means of the Fourier analysis of the periodic force profile acting on the gear teeth. The methodology is applied to a case of industrial interest. The effect of the principal design parameters of the ring damper is highlighted.
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e-mail: stefano.zucca@polito.it
e-mail: christian.firrone@polito.it
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September 2012
Research Papers
A Method for the Design of Ring Dampers for Gears in Aeronautical Applications
Stefano Zucca,
e-mail: stefano.zucca@polito.it
Stefano Zucca
Politecnico di Torino
, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
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Christian Maria Firrone,
e-mail: christian.firrone@polito.it
Christian Maria Firrone
Politecnico di Torino
, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
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Marco Facchini
Marco Facchini
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Stefano Zucca
Politecnico di Torino
, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
e-mail: stefano.zucca@polito.it
Christian Maria Firrone
Politecnico di Torino
, Corso Duca degli Abruzzi 24, 10129 Torino, Italy
e-mail: christian.firrone@polito.it
Marco Facchini
J. Mech. Des. Sep 2012, 134(9): 091003 (10 pages)
Published Online: August 6, 2012
Article history
Received:
December 17, 2010
Revised:
June 14, 2012
Published:
August 6, 2012
Citation
Zucca, S., Firrone, C. M., and Facchini, M. (August 6, 2012). "A Method for the Design of Ring Dampers for Gears in Aeronautical Applications." ASME. J. Mech. Des. September 2012; 134(9): 091003. https://doi.org/10.1115/1.4007145
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