NDLI: A new high-speed, high-cycle, gear-tooth bending fatigue test capability

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A new high-speed, high-cycle, gear-tooth bending fatigue test capability

Content Provider	NASA Technical Reports Server (NTRS)
Author	Zakrajsek, Andrew J. Handschuh, Robert F. Dykas, Brian D. LaBerge, Kelsen E. Stringer, David B.
Copyright Year	2011
Description	A new high-speed test capability for determining the high cycle bending-fatigue characteristics of gear teeth has been developed. Experiments were performed in the test facility using a standard spur gear test specimens designed for use in NASA Glenn s drive system test facilities. These tests varied in load condition and cycle-rate. The cycle-rate varied from 50 to 1000 Hz. The loads varied from high-stress, low-cycle loads to near infinite life conditions. Over 100 tests were conducted using AISI 9310 steel spur gear specimen. These results were then compared to previous data in the literature for correlation. Additionally, a cycle-rate sensitivity analysis was conducted by grouping the results according to cycle-rate and comparing the data sets. Methods used to study and verify load-path and facility dynamics are also discussed.
File Size	2323173
Page Count	16
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20110012902
Archival Resource Key	ark:/13960/t9f52nq9d
Language	English
Publisher Date	2011-06-01
Access Restriction	Open
Subject Keyword	Mechanical Engineering Fatigue Tests Rates Per Time Test Facilities Bending Fatigue Sensitivity Analysis Gear Teeth Life Durability High Speed Strain Gages Dynamic Loads Stress Measurement Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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