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Home » Identification and Correction of Damaging Resonances in Gear Drives

Identification and Correction of Damaging Resonances in Gear Drives

August 1, 1984
As a result of extensive research into the vibration characteristics of gear drives, a systematic approach has evolved, by which damaging resonances can be eliminated. The method combines finite element techniques with experimental signature and modal analyses. Implementation of the bulk of the method can be carried out early in the design stage. A step-by-step description of the approach, as it was applied to an existing accessory drive, is given in the text. It is shown how premature bearing failures were eliminated by detuning the torsional oscillations of a gearshaft. A dramatic reduction in vibration levels was achieved as a result of detuning the problem gear. The proposed approach can be extended to other types of rotating machines.
Design Inspection Gear Noise Ratio Vibration Technical
KEYWORDS FEA gear noise vibration
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