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TECHNICAL PAPERS

Static and Dynamic Tooth Loading in Spur and Helical Geared Systems-Experiments and Model Validation

[+] Author and Article Information
S. Baud, P. Velex

Laboratoire de Mécanique des Contacts, UMR CNRS 5514, INSA Lyon, Ba⁁t. 113 20, Avenue Albert Einstein 69 621 VILLEURBANNE Cedex France

J. Mech. Des 124(2), 334-346 (May 16, 2002) (13 pages) doi:10.1115/1.1462044 History: Received January 01, 2000; Online May 16, 2002
Copyright © 2002 by ASME
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References

Figures

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Mesh stiffness functions by using various models. Influence of gear blank (spur gear). (a) ISO 6336 formula; (b) Weber-Banaschek’s formulas (for tooth bending, base and contact compliance); (c) Weber-Banaschek’s formulas) for tooth bending and base compliance) +Lundberg’s formula (for contact compliance); (d) *pinion: Weber-Banaschek’s formulas (for tooth bending and base compliance); *gear: Finite elements (for blank deflections, base compliance and tooth bending); *contact: Lundberg’s formula.
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Modeling: (a) finite element model of the test rig; (b) model of hydrodynamic bearing; (c) pinion gear model
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Experimental and numerical bending deflections for two bearing arrangements (helical rears and hydrostatic bearings)
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Parameters in the expression of M̄p
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Comparisons between experimental and simulated normalized fillet stress (spur gears): (a) influence of P, tip relief amplitude; (b) influence of the normalized fillet stress (spur gears)
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Control of mesh stiffness model and tooth modifications on spur and helical gears: (a) influence of tip relief amplitude for a constant extent L=20% (spur gear); (b) influence of the relief extent for a constant amplitude P=20 μm (spur gear); (c) influence of tip relief amplitude for a constant extent L=20% (helical gear); (d) influence of the relief extent for a constant amplitude P=13 μm (helical gear)
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Comparison between experimental and simulated fillet stress: (a) minimum bearing spacing (320 mm); (b) maximum bearing spacing (640 mm)
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Experimental and simulated strain gauge signals (Gauge PA1-spur gears with 640 mm bearing spacing. Torque of 1540 Nm on gear shaft)
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Comparison between experimental and simulated dynamic fillet stresses (helical gear)  
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Comparison between experimental and simulated dynamic fillet stresses (helical gear)—influence of pitch errors

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