Determination of a Major Design Parameter for Forward Extrusion of Spur Gears-Reference-Cited by-同舟云学术

Determination of a Major Design Parameter for Forward Extrusion of Spur Gears

Published:2004-05-01 Issue:2 Volume:126 Page:255-263
ISSN:1087-1357
Container-title:Journal of Manufacturing Science and Engineering
language:en
Short-container-title:

Author:

Song Jong-Ho¹,Im Yong-Taek¹

Affiliation:

1. Computer Aided Materials Processing Laboratory, Department of Mechanical Engineering, ME3227, Korea Advanced Institute of Science and Technology, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, South Korea

Abstract

In this study, a major design parameter was identified for cold forward extrusion of solid or hollow spur gears by investigating the effect of gear geometries and forming variables on formation of gear teeth by finite element simulations. A limiting extrusion ratio was determined for reducing the likeliness of underfilling in the die cavity. An equivalent radius of the cross-sectional geometry of a gear was also determined to predict the forming load requirement from an axi-symmetric approximation. Based on this approximation, a modified empirical equation was determined for simple determination of forming loads required.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Link

http://asmedigitalcollection.asme.org/manufacturingscience/article-pdf/126/2/255/5566223/255_1.pdf

Reference18 articles.

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3. Szentmihali, V., Lange, K., Tronel, Y., Chenot, J. L., and Ducloux, R., 1994, “3-D Finite-Element Simulation of the Cold Forging of Helical Gears,” J. Mater. Process. Technol., 43, pp. 279–291.

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5. Rahman, A. R. O. A., and Dean, T. A., 1981, “The Quality of Hot Forged Spur Gear Forms. Part II: Tooth Form Accuracy,” Int. J. Mach. Tool Des. Res., 21(2), pp. 129–141.

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