Analysis and Countermeasures for Sideband of Gear Mesh Frequency(GMF) Induced by Shaft Fretting Corrosion in a Gearbox

Abstract

Case StudyCS deals with trouble shooting and solving a chronic fretting corrosion damage b/w a gear and shaft (shrink fit). The damage on the geared shaft always accompanied by an increase in the amplitude and frequency side bands at the gear mesh frequency (GMF). The troubleshooting process and analysis revealed that the distance between the two gears is a critical design parameter for preventing fretting corrosion