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TECHNICAL PAPERS

Influence of Tooth Profile Modification on Helical Gear Durability

[+] Author and Article Information
Parag Wagaj, Ahmet Kahraman

Center for Gear Research, The University of Toledo, Nitschke Hall 4045, Toledo, OH 43606

J. Mech. Des 124(3), 501-510 (Aug 06, 2002) (10 pages) doi:10.1115/1.1485289 History: Received April 01, 2001; Online August 06, 2002
Copyright © 2002 by ASME
Topics: Gears , Durability , Stress , Torque
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References

Figures

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Definition of (a) 2D and (b) 3D tooth profile modification parameters
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Contact mechanics model of the example helical gear pair
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Maximum gear stresses over one mesh cycle; (a) maximum bending stress, σb,max and (b) maximum contact stress, σc,max
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Maximum bending stress, σb,max, and maximum contact stress, σc,max, of an unmodified gear pair as a function of torque transmitted T
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(a) Normalized bending stress σ̄b and (b) normalized contact stress σ̄c as a function of torque T and at with αt=22.2 deg. and h=2 μm
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Maximum contact stress distribution on a tooth flank at T=150 Nm; (a) at=0 and (b) at=10 μm
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(a) Normalized bending stress σ̄b and (b) normalized contact stress σ̄c as a function of T and αt with at=10 μm and h=2 μm
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(a) Normalized bending stress σ̄b and (b) normalized contact stress σ̄c as a function of T and h with at=10 μm and αt=22.2 deg
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(a) Normalized bending stress σ̄b and (b) normalized contact stress σ̄c as a function of T and b1 with β1=15 deg. and λ1=20 mm
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(a) Normalized bending stress σ̄b and (b) normalized contact stress σ̄c as a function of T and β1 with b1=5 μm and λ1=20 mm
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(a) Normalized bending stress σ̄b and (b) normalized contact stress σ̄c as a function of T and b2 with b1=10 μm,β12=20.8 deg. and λ12=10 mm

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