Posts tagged with: unbalance

Too Much Grease (a “liquid” unbalance!)

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By on September 13, 2018

We recently published a blog about using the Fixturlaser SMC as a lubrication tool. https://vibralign.com/other-topics/using-the-smart-machine-checker-as-a-lubrication-tool/ Ironically, just a couple of weeks later I received some photos from a new SMC customer.  He got a report from his SMC stating that a chilled water pump was experiencing motor unbalance.  He took the motor apart to inspect […]

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What is the Difference between Unbalance and Runout?

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By on September 5, 2018

Unbalance and runout are two terms that we hear frequently in the predictive maintenance community. Both unbalance and runout can be serious issues and need to be addressed to prevent inefficient functioning and damage to machines. Unbalance occurs due to corrosion, erosion of the fan wheel, or if a correction weight is removed. Runout occurs […]

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The 3 Types of Unbalance You Should Know About

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By on September 4, 2018

We often hear about how to correct unbalance in rotating machinery, but to correct unbalance, it is first necessary to accurately diagnose what type of unbalance your machine is experiencing so that you can take the proper action to correct the problem. In this post, we will go over the three types of unbalance you […]

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TROUBLESHOOTING MOTOR UNBALANCE

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By on June 20, 2017

Electric motors are almost always well-balanced when they leave the motor manufacturer.  But occasionally, motor unbalance problems are picked up with vibration monitoring tools, such as the OneProd Hawk. Here are some easy troubleshooting methods to determine the cause of unbalance in the motor. An electric motor’s rotor, like any rotating mass, cannot become out […]

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UNBALANCE

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By on March 24, 2016

Unbalance is another common machinery vibration problem.  Unbalance is the uneven distribution of mass around a rotating axis. Any rotating machine can have an unbalance problem, not just fans.  It is important to note that once rotating machinery components are balanced, they should stay balanced until something changes.  These changes are normally: Dirt, paint, or […]

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