In vibration analysis, three key parameters—amplitude, frequency, and phase—are used to identify machinery issues and determine their severity. Each plays a unique role: amplitude reveals the severity of the problem, frequency identifies the nature of the problem, and phase provides insight into how vibration signals move in relation to one another. What is Phase…
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Setting up vibration alarms in a vibration analysis program can be challenging. Questions such as whether to use overall alarms for acceleration, velocity, or displacement, and whether to measure RMS, peak, or peak-to-peak values can complicate the process. However, the ISO standard 20816-3 provides a straightforward solution. Utilizing ISO Standard 20816-3 This standard offers…
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Collecting vibration data is a crucial step in a reliability program. However, it is just one step in the process. Consistently collecting accurate data under varying operating conditions is essential for effective analysis and maintenance. Operating conditions such as speed, load, and production processes must be meticulously documented and followed to maintain consistent data amplitudes…
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Analyzing vibration data can be a difficult job. Using VFD (Variable Frequency Drive) motors can make it even more difficult. Pattern recognition is a huge part of this process. However, diagnosing between electrical and mechanical vibration patterns can be challenging. Is it a Mechanical or Electrical Problem? First, a straightforward way to distinguish between…
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Over the years when training “new” vibration analysts, I stress for them to keep it simple. Many analysts believe that you must review time waveform data to analyze all machinery problems. This is not true. However, some problems are impossible to diagnose without it. Common Machinery Problems in Industry A majority of plant machinery…
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There are numerous items to be considered when performing an initial inspection while setting up vibration analysis routes. All things from safety considerations to machine information, smells, and sounds need to be observed and documented. Safety The first and most important thing to consider when inspecting for a route is safety. Here are some…
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