Vibration diagnostics of rotary machines

Vachutka Vojtěch - Voytech Vibration s.r.o. (Czech Republic)

Vibration diagnostics of rotary machines is a key component of predictive maintenance. In the field of materials and equipment in heat treatment are mainly used fans and pumps. These machines undergo periodic measurements, typically on a monthly or quarterly basis. Data is collected using portable data collectors during route measurements, and real-time data is also collected through online monitoring systems. Two primary analysis methods are applied: trend analysis and frequency analysis. The primary objective of a diagnostician is to identify fault frequencies associated with potential failures and assess the severity of these issues. For factories that apply predictive maintenance practices, it is crucial to closely monitor the development of long-term faults and strategically plan downtimes or service interventions for optimal timing. Vibration diagnostics plays a dominant role in reducing unplanned downtimes, minimizing the high costs associated with late repairs, and maintaining machines at nominal efficiency levels.

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