Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/7462
Title: Tribological approach on vibration and electrical current response of experimental misalignment and unbalance failure modes
Authors: Erol, Salih Seçkin
Meran, Cemal
Keywords: Greaseless
Maintenance
Misalignment
Tribology
Unbalance
Publisher: Scibulcom Ltd.
Abstract: In order to maintain sustainability of dynamic mechanical systems, tribology is a crucial prognostic factor. Bearing is the most common rotating element that requires lubrication in priority for preventing the frictional forces. In the situation of greaseless at bearings, intensity of vibration signals and consumption of electricity will increase with respect to the internal frictions. In practice, misalignment and unbalance failures are common problems which have specific vibrational characteristics on time-domain and frequency-domain. It is assumed that symptom levels of the misalignment and unbalance failures will increase since greaseless form of bearing, and ball passing frequencies will be more prominent in the frequency-domain. As the misalignment and unbalance failure are detected by vibrations of bearing element, greaseless effect will influence detection of these failures within positive or negative assist. Additionaly, power spectrum density (PSD) measurements of electrical current variances will assist vibration analysis in order to focus on the failure with higher accuracy. It is concluded that single greaseless phenomenon and misalignment, unbalance failures in greaseless phenomenon are able to be detected and monitored by vibration analysis and electrical current PSD variance analysis.
URI: https://hdl.handle.net/11499/7462
ISSN: 1310-4772
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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