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Static Unbalance Fault Diagnosis in Rotor Shaft Using Vibration Monitoring Technique(Arbic) | ||
| Al-Rafidain Engineering Journal (AREJ) | ||
| Article 13, Volume 21, Issue 1, 2013, Pages 79-90 PDF (0 K) | ||
| DOI: 10.33899/rengj.2013.67348 | ||
| Authors | ||
| Ammar A. M. Al Rawi; Dr. Sabah M. J. Ali | ||
| Abstract | ||
| Abstract Mechanical vibration is one of the most important phenomena studied by mechanical engineering, as well as other branches of engineering. Since most of the mechanical machines contain rotor shafts, then hard conditions during operation cause many faults to occur, one of which is the unbalance fault. Therefore, this research studies the diagnosis of static unbalance fault that causes the vibration of the rotor shafts, through conducting a real model for the unbalance fault of the rotor shaft in order to obtain the real vibration signal resulting from this fault. Moreover, monitoring the vibration signal in the frequency domain, and detecting the machine condition during operation at different speeds, and with position sensor device three axes for the bearing (horizontal, vertical, and axial). It has been proved that unbalance increases by increasing speed, and it becomes more obvious in the horizontal axis. Detecting faults unbalancing in the rotor shafts can also be done by taking the value of root mean square (RMS), which represents the maximum value that can be taken from the horizontal axis of the bearing. This value can be compared with the international standards (ISO 12372) to ensure being within the allowed limits. Key: Vibration unbalancing, Static Unbalancing, Types Unbalancing, | ||
| Keywords | ||
| Key; Static Unbalancing; Types Unbalancing | ||
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