Comparison of Experimental and Analytical Tooth Bending Stress of Aerospace Spiral Bevel Gears

Report No. ARL-TR-1891
Authors: Handschuh, Robert F.; Bibel, George D.
Date/Pages: February 1999; 17 pages
Abstract: An experimental study to investigate the bending stress in aerospace- quality spiral bevel gears was performed. Tests were conducted in the NASA Lewis Spiral Bevel Gear Test Facility. Multiple teeth on the spiral bevel pinion were instrumented with strain gages and tests were conducted from static (slow roll) to 14400 RPM at power levels to 540kW (720 hp). Effects of changing speed and load on the bending stress were measured. Experimental results are compared to those found by three-dimensional finite element analysis.
Distribution: Approved for public release
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Last Update / Reviewed: February 1, 1999