NDLI: Effects of Assembly Errors on Crossed Beveloid Gear Tooth Contact and Dynamic Response

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Zhu, Caichao Song, Chaosheng Teik, C. Lim Peng, Tao
Copyright Year	2011
Abstract	It is known that the tooth flank geometry, assembly errors and the operating conditions of a gear pair have significant influence on tooth contact, load distribution and dynamic response. However, the study of the effects of assembly errors on the mesh characteristics and dynamic response for crossed beveloid gears has been limited due to the complicated geometry and time-varying mesh characteristics. In this study, three types of assembly errors including shaft angle, offset and gear axial position error are examined based on a synthesized mesh model and a three-dimensional elastically coupled rigid-body dynamic model. Also, the relation between a dominant geometry design parameter that is the crossed angle between the first principal directions of the tooth surface curvatures (FPD-angle) and the sensitivity of mesh characteristics and dynamic response subject to assembly errors is investigated. Through the sensitivity analysis with different FPD-angles, the shaft angle error is found to be the most sensitive factor affecting the mesh and dynamic behaviors of crossed beveloid gear set. On the other hand, the gear axial position errors have the least influence on the mesh characteristics and dynamic response. In most cases, the influences of assembly errors on mesh characteristics and dynamics become weaker with the increase of FPD-angle.
Sponsorship	Design Engineering Division and Computers and Information in Engineering Division
Starting Page	379
Ending Page	387
Page Count	9
File Format	PDF
ISBN	9780791854853
DOI	10.1115/DETC2011-47413
Volume Number	Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies
Conference Proceedings	ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Language	English
Publisher Date	2011-08-28
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Dynamic response Geometry Design Errors Gears Sensitivity analysis Gear teeth Dynamics (mechanics) Dynamic models Manufacturing Stress
Content Type	Text
Resource Type	Article

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