Vector math is often seen as an overcomplicated and daunting task. You may think that it is useless because your vibration data collector does this math for you and will…
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A vibration analyst’s day is always unpredictable, but there is a general flow that most of us experience. This blog post shares what a typical day looked like for me…
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Basic machine setups are typically made to collect all the data we need for each asset. This is not always possible or reasonable as we would spend far more time…
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Sampling frequency can be a confusing component of building a time waveform. What makes it confusing for many analysts who are learning Level III concepts is that it is always…
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There are times when you will observe sidebands in the Fast Fourier Transform (FFT) spectrum. These sidebands are a common occurrence and are often linked to specific mechanical and electrical…
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Frequency is as simple as the name implies, it is the number of times an event occurs in a set amount of time. In vibration analysis, we reference frequency to…
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All successful reliability programs have one thing in common – strong communication between all plant resources. Although this concept does not have any direct relevance to maintenance, it is an…
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There are times when it is useful to take 2 simultaneous measurements and compare the phase (or position of the shaft) from one position relative to the other. This is…
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Gearboxes are used in numerous applications, including machine tools, industrial equipment, conveyor belt drives, and just about any power transmission application with rotary motion that requires a change in torque…
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The Journey of Reliability A machine is identified by the vibration analyst and recommendations are made for repair, the planner orders the parts, management gets together and determines when the…
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Centrifugal pumps are common in industry. They are used to move various liquids from one place to another. This work is performed using a rotating pump wheel, or “impeller”, with…
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Resonance, critical speed, and natural frequency are all very similar terms and refer to the same phenomenon. An increase in equipment vibration, not relating directly to a specific component, is…
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It is important in vibration analysis to know whether the vibration data you are looking at is actually “good data”. Below is a review of the causes and symptoms of…
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Fans are a very common component in industry, they are used to move air from one place to another. Fans are used in dust collection, supplying air to boilers, provide…
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It’s on all of the vibration fault charts, it’s taught in vibration classes, and it’s used for balancing – but how often is phase actually used by vibration analysts to…
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