In the realm of industrial maintenance, understanding the health of machinery is paramount. One of the most effective tools in this pursuit is Vibration Analysis technology. By examining the oscillations and vibrations of machinery, it’s possible to detect early signs of wear, misalignment, and other issues before they escalate into costly failures. In this article,…
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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 and/or speed. Output speed and torque are always going to be in contrast to each other – if you use a gearbox to increase the…
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I recently heard the term “silver tsunami” at a conference in Florida. It has been around since the 1980s. It refers to the current and pending retirements of Baby Boomers (Gen X is not far behind), and the void it will create in the workplace. Not as much a void of people but a void…
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Condition monitoring is by no means a new concept in industry. In fact, it is so widely regarded as a best practice, that it becomes commonplace in more industries each year. With this increase in awareness, we have seen an influx of options over the years. Simple overall meters, portable analyzers, wired continuous systems, and…
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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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During a recent balancing class, I was requested to help the customer balance a couple of fans. Typically, our services team does this, but I agreed to help. When we got to this rooftop penthouse, I noticed a few things: The fan wheel, housing, and shaft were coated in a fairly thick coat of rust…
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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 repairs are made, and the maintenance team carries out the plan to replace the defective component. Success! We averted disaster once again! … And the…
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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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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 oftentimes caused by one of the many component natural frequencies that are present on every system or object that exists in the known universe. It…
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Does your maintenance program need some… well, maintenance? A “good” maintenance program involves keeping equipment in peak condition and mitigating failure. Getting to this result takes the proper balance of strategies, people, and resources. Between changes in management, the revolving door of employees, and unreliable contractors, it can be relatively easy for an organization’s program…
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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 junk data, as well as some tips to improve data quality overall in the future. Reasons for Bad Data A poor electrical connection is…
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As a Reliability Practitioner: If you have attended training performed to a standard that is certified by ISO (International Organization for Standardization), this guarantees that you will receive instruction and material that is documented to meet an international standard of knowledge from a certified trainer. When you pass the test to receive your registered ISO…
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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 ventilation to factories, are used in the manufacturing process and more. Even your HVAC system at home has a fan/blower in it to move the…
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Fire pumps are probably THE MOST CRITICAL machines in industrial and commercial buildings. If they don’t work when they are supposed to, no other machine in the building matters. A fire pump needs to be reliable enough to run for a few hours. After that, either the fire is out, or the building is gone.…
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I’ve never been a maintenance supervisor, but I have worked for several. And when a machine has had problems, most maintenance supervisors have 5 questions: What’s wrong with it? How bad is it? How much longer can we run it? What do we have to do to fix it? What can we do to prevent…
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