Fault detection and diagnosis of ball bearing by using PSoC embedded design and virtual instrumentation work bench

Abstract

Bearings are the most important elements in any rotating element of the newlinemanufacturing environment system, the rolling element which is supported by newlinethe bearings. The good working condition and maintenance of the bearings is newlinethe successful productivity improvement strategy. In this research work made newlinean attempt to diagnose the fault detection in the bearings under the static newlinecondition. The effective bearing fault diagnostic technique is critically needed newlinefor any industry; the earlier detection of bearing defects prevents the newlinebreakdown/malfunction of machinery. The reductions of faults of the bearings newlinewere improving the performance of the machine and productivity. In the newlineindustry most of the rotating elements were supported by the 62xx series ball newlinebearings, in this work the HCH 62xx ball bearings were considered for the newlineevaluation. The HCH 62xx ball bearing defects such as inner race defect, outer newlinerace defect and ball defect are identified. In general the research works were newlinecarried out to identify the fault finding methods using dynamic analysis. These newlinemethods reflect the bearing conditions analysis. newlineIn this research, the bearing faults induced in rotating machinery is newlineinvestigated experimentally using vibration analysis techniques that are based newlineon time, frequency and time-frequency domains. The vibration analysis is the newlinemost commonly accepted technique due to its ease of application. Most of the newlineresearch works were focused on dynamic analysis to test the bearing newlineconditions. The results of vibration are more reliable and accurate, whereas the newlineother methods have some inaccuracies and complexity in identifying the defect. newlineThere is a need to evaluate the bearing condition in static and simpler approach. newlineTesting at the static state requires a separate vibration signal source and newlineisolation of bearing from different source is required to get better result. The newlineobjective of this research work is to test the bearing under deformation by newlinemeans of a light mechanical impulse. The Impulse Excitation Technique (IET) newlineis used t