Static, Couple, and Dynamic Unbalance

According to the International Organization for Standardization (ISO), unbalance is “that condition which exists in a rotor when the vibratory force or motion is imparted to bearings as a result of centrifugal forces”. In other words, unbalance is an unequal weight distribution of a rotor around its rotating centerline. The rotating centerline or rotational axis…

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A Handy Guide to Balancing Rotating Machinery

icon of a fan with a spot indicating a balancing weight.

Balancing rotating machinery is mostly math, with a bit of common sense and experience thrown in. The math is constant, so here are some tips to help with the common sense and experience part. Preparing to balance Inspect before you balance I once balanced a fan by pulling an air filter out of the fan…

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An Old Maintenance Mechanic’s Look at the Next Generation

This grainy photo was from my last day at a Weyerhaeuser mill in 1987.  I was a 26 year old millwright.  If you look closely, you’ll see an IBM computer in the storeroom.  We had another one we used for running Palomar Microlog vibration data collection.  We had a first generation laser alignment tool, but…

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Root Causes of Machinery Failure

As maintenance and reliability professionals we have a tremendous responsibility to keep the machines in our facilities up and running. As the entire world navigates through this pandemic, water, power, food, medicine and many other essentials have continued to be provided. Having the necessary skills and knowledge is critical to ensuring that we are able…

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How Can We Help You-Let Us Count the Ways!

While hands-on training is best, sometimes technical support requires more. A recent blog lists all the different ways you can reach out to us https://acoem.us/other-topics/vibralign-training-during-covid-19/. A few weeks ago, a wind technician was attempting a precision shaft alignment in a GE 2.x wind turbine using a Fixturlaser GO Basic GE Wind. He was familiar with…

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Precision Maintenance in Data Centers

  The emergence of portable computers, the internet, and the ubiquity of portable smart devices has given rise to a new type of industry–the data center. A data center is simply a building used to house computer servers. While these servers may be used for many different types of data storage, their requirements for in-house…

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Visual Inspection of Couplings and Machinery Components

Some things just don’t pass the “eye test”.  Your eyes are actually great tools for seeing things that are not straight, not plumb, not level (pictures hanging on a wall for example), not right.  Many times, just by looking at a coupling you can tell “it’s not aligned”, and you are usually correct. Visual Inspection:…

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Here are the Top Maintenance Tips from VibrAlign Experts

As you may have noticed if you follow VibrAlign’s social media accounts, we have been going through “Maintenance Tip Mondays” for the past couple months. This is a fun opportunity to hear from our experienced technical trainers as they share the top tips and tricks they have learned over the years in the field and…

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Installation Errors Part 2 – Shims and Shim Handling

The difference between luck and success is this; Luck is when you achieve a desired result despite mistakes made along the way. Success is when you follow a known process to achieve the expected result. When attempting a precision shaft alignment, precise practices must be followed. One thing for certain in precision alignment is the…

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