3D Mesh Generation for Static Stress Determination in Spiral Noncircular Gears Used for Torque Balancing

[+] Author and Article Information
D. Barkah, B. Shafiq, D. Dooner

Department of Mechanical Engineering, University of Puerto Rico, Mayagüez, PR 00681-9045

J. Mech. Des 124(2), 313-319 (May 16, 2002) (7 pages) doi:10.1115/1.1470492 History: Received November 01, 2000; Online May 16, 2002
Copyright © 2002 by ASME
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ABCD Tooth domain boundary of zero displacement
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Delimitation of tooth domain from noncircular gear structure
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Selection of turning points of tooth profile
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Subdivision of tooth domain into sectors
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Patterns for generating mesh
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Mapping of pattern and sectors into unit square
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Mapping unit square mesh into tooth domain sector
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Exploded circular tooth domain showing patterns mapped into sector
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2D and 3D noncircular tooth domain of smoothed mesh
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3D finite element analysis of approximated gear tooth
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Stress distribution along tooth profile in the tensile and compressed fillets
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Noncircular gear pair for sinusoidal torque and speed balancing
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Maximum Von-Mises stress distribution in noncircular gears




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