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Technical Briefs

Parametric Analysis of Gear Mesh and Dynamic Response of Loaded Helical Beveloid Transmission With Small Shaft Angle

[+] Author and Article Information
Chaosheng Song

The State Key Laboratory of Mechanical Transmission,  Chongqing University, Chongqing 400030, Chinachaoshengsong@hotmail.com

Caichao Zhu

The State Key Laboratory of Mechanical Transmission,  Chongqing University, Chongqing 400030, Chinacczhu@cqu.edu.cn

Teik C. Lim

College of Engineering and Applied Science, Mechanical Engineering,  University of Cincinnati, Cincinnati, OH 45221teik.lim@uc.edu

Tao Peng

 Meritor Inc., Troy, MI 48084tao.peng@arvinmeritor.com

J. Mech. Des 134(8), 084501 (Jul 02, 2012) (8 pages) doi:10.1115/1.4006949 History: Received March 22, 2011; Accepted May 21, 2012; Published June 29, 2012; Online July 02, 2012

A synthesized gear mesh and dynamic model assuming line contact that is derived from a set of manufacturing parameters is formulated for analyzing the beveloid gear mesh-coupling mechanism. Using the proposed model, the effect of the dominant geometry design parameter that is the crossed angle between the first principal directions of the tooth surface curvatures (FPD-angle) on gear mesh characteristic and dynamic response is investigated. Also, the analysis of the gear mesh characteristic and dynamic response subject to torque load variation is performed. It is shown that the dynamic transmission error and dynamic mesh force worsen as the geometry FPD-angle increases for a specific torque load level. Furthermore, even though higher torque load can produce larger contact area, which is desirable, it also increases the gear mesh stiffness and transmission error that tend to aggravate dynamic response.

Copyright © 2012 by American Society of Mechanical Engineers
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Figures

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Figure 1

Assembly model and coordinates for defining the beveloid gear pair

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Figure 2

Coordinates for loaded tooth contact analysis

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Figure 3

Proposed 14-DOF beveloid geared rotor system model

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Figure 4

Flowchart of the proposed computational approach

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Figure 5

Effect of FPD-angle on contact patterns

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Figure 6

Effect of FPD-angle on translational TE

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Figure 7

Effect of FPD-angle on mesh stiffness

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Figure 8

Effect of FPD-angle on dynamic TE

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Figure 9

Effect of FPD-angle on DMF

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Figure 10

Effect of torque load on contact patterns

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Figure 11

Effect of torque load on contact area

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Figure 12

Effect of torque load on peak-to-peak value of translational TE

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Figure 13

Effect of torque load on mesh stiffness

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Figure 14

Effect of torque load on dynamic TE

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Figure 15

Effect of torque load on DMF

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