Archive: March, 2019

STILL FRUSTRATED!!!

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By on March 21, 2019

Although we have many excellent blogs on the cause of non-repeatability, or more commonly known as frustration when attempting a precision shaft alignment, this issue continues to come up nearly every training session I conduct. And the number one cause? Not controlling backlash or looseness. All the trainers teach this and VibrAlign has a very […]

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Alignment Check vs. Alignment

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By on March 7, 2019

One question that arises regularly in training is about doing alignment checks. Is it okay to just check the alignment? Of course, it is. As a matter of fact, many industries have dedicated crews to specifically do alignment checks. The major difference is no equipment is moved, just measured. We lockout, remove guards, install the […]

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Adding Machines to an Existing Route in Your Nest Software.

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By on February 28, 2019

Sometimes machines need to be added to a route that is already established. This is quite easy to do in the Nest. After you have collected all the pertinent information including machine name, RPM and horsepower (at a minimum) go into your Nest home screen and select “set up machine”. Once into machine set up […]

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Balancing How To #2 – Selecting a Proper Trial Weight

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By on February 22, 2019

In 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 trial weight. A trial weight is used to make a change in the original vibration amount and direction.  Changing either the AMOUNT of vibration (amplitude), […]

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A Vector Approach to Single Plane Balancing

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By on February 7, 2019

Unbalance (Imbalance) is often defined as the unequal distribution of the weight of a rotor about its rotating centerline. A rotor can be balanced either in-place or in a balancing machine assuming unbalance is the issue and weight can be added or removed.  Modern balancing instruments will do the math for you. I originally learned […]

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Balancing How To #1 – Setting Up for Balancing

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By on January 30, 2019

The recent blog on troubleshooting balancing ( https://vibralign.com/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 perform a balance job. NECESSARY EQUIPMENT FOR BALANCING If you have gone through the checklist and confirmed unbalance, you will need: A machine to perform […]

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How to Read an Alignment Report Part 2 – Thermal Growth Targets

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By on January 23, 2019

The goal of a precision alignment is to align the machine within tolerance when at operating condition. Many, but not all, machines are aligned without the need to compensate for offline to running (OL2R) movement most often associated with thermal growth. A previous blog post (see link below) discussed how to read an alignment report […]

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Jack Bolts, Pushers, and Motor Movers

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By on January 16, 2019

A common source of frustration during the precision alignment process is, how can we make a controlled move when making the horizontal adjustment? We trainers often hear our clients say they don’t have jacking bolts, or pushers, etc. There have been numerous excellent blogs written on the subject of jack bolts. Pry bars, sledge hammers […]

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SMC Touch Tip-Using the SMC When Unbalance is Diagnosed

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By on January 7, 2019

The 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 on rotating equipment, especially fans. If you get a diagnosis of unbalance, be aware of these tips: Be mindful that a rotating mass, once balanced, […]

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Here are the Top Maintenance Tips from VibrAlign Experts

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By on January 7, 2019

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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