ANALYSIS OF MULTIPLE PITTING DEFECTS ON SPUR GEAR USING ACOUSTIC SIGNALS

Gears are very important mechanical elements in industrial applications and it is generally made for high performance, efficiency and reliability. Any defect/fault in gear will reduce its operations/performance etc. Acoustic signal is the tool to detect fault and it is widely used for gear fault diagnostics in moving element like gear box, machine etc. The Acoustic signals can be captured from the machine with the help of acoustic sensors. The aim of this paper is to analyze the acoustic signals to capture from single stage spur gear. Here the faults consider is pitting on single and multiple teeth. The fault is created artificially. The Acoustic signal data is collected from the experimental setup at different pitting defects and then the energy dissipated is found out. The Wavelet technique is used for analysis through MATLAB software.