HVAC air handlers, especially those used in office environments, often feature small horsepower motors (typically less than 10 HP). They may be belt-driven or direct drive fan wall units, and…
Read MoreHVAC air handlers, especially those used in office environments, often feature small horsepower motors (typically less than 10 HP). They may be belt-driven or direct drive fan wall units, and…
Read MoreEditor’s Note: This Blog is authored by Brian Rimmer (Freudenberg) & Stan Riddle (Acoem USA) Acoem USA recently provided dynamic balancing training for Freudenberg in Durham, NC, using an Acoem…
Read MoreDuring 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…
Read MoreAccording 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…
Read MoreBalancing 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…
Read MoreIn our last “How To” we talked about the trial run – using a trial weight and location, to calculate the amount and location of a correction weight, which should…
Read MoreIn our last Balancing How-To, I stated that an initial trial weight is sometimes a guess. Sometimes based on experience, and sometimes on common sense. But if you prefer to…
Read MoreOnce unbalance is determined, the original unbalance run (amplitude and phase) is measured, and a trial weight size is determined, the next step is where to place the trial weight.…
Read MoreIn our last Balancing How To, we discussed how to set up and get your original measurements on the rotor to be balanced. This How To discusses selecting a proper…
Read MoreThe recent blog on troubleshooting balancing ( https://acoem.us/other-topics/smc-touch-tip-using-the-smc-when-unbalance-is-diagnosed/ ) brought up some additional questions from our readers, so let’s tackle them in order. The first one is setting up to…
Read MoreThe Fixturlaser Smart Machine Checker (SMC) is a great balancing tool (for me personally, it’s the best balancer I’ve ever used). Unbalance is one of the most common machinery problems…
Read MoreAs 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…
Read MoreI read an interesting article in the June/July 17 issue of Uptime Magazine. It was titled “The Reliability Impact Within the P-F Curve” by Randy Riddell. Randy is the Reliability…
Read MoreElectric 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…
Read MorePast maintenance & production issues found in the industrial or manufacturing environment are still prevalent even in today’s equipment reliability focus. The major contributors to equipment failure remain the same,…
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