Vibralign Blog

Long Live the Machine

Current Topics

Bolt Holes – Size matters!

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By on April 28, 2016

I was asked to help a customer align a 500HP Motor / Blower.  The new motor came in on a skid, was lifted into place with a crane, new electrical boxes fitted and coupling put into place.  Now the easy part, the precision shaft alignment! We took two sets of measurements which repeated.  Made one […]

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X, Y, & Z Axis. Does the Z Axis Affect Shaft Alignment?

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By on April 14, 2016

Does the z axis affect alignment? In short, no it does not. There are aspects of the z axis that could affect the running of a machine, but rotational shaft alignment is not of them. What is the z axis? The X and Y axes are references to horizontal and vertical planes respectively.  With regard […]

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Benefits of Machine Maintenance and Cleanliness

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By on April 6, 2016

As technical trainers, we travel all over the country visiting factories, mills, power plants and refineries.  Just to mention a few.  We see and work on equipment of every type and size. From small 10 HP electric motors and pumps moving cooling water, to house sized engines turning generators that power our cities. Out of […]

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If It Moves Your Laser Will See It

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By on March 30, 2016

Laser Shaft Alignment tools are a great asset for today’s maintenance professional, enabling them to perform precision shaft alignments to very tight tolerances; and do so quickly when using the VibrAlign Verti-Zontal Process. Laser alignment systems are a tool and as such show the user what is occurring “mechanically” during the alignment process, including if […]

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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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Overcome the Frustration of Being Bolt-Bound or Base-Bound

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By on March 18, 2016

Many blogs have been written about what it means to be either base-bound or bolt-bound and how to correct the situation. I want to write again about it because I encounter this frustration scenario in almost every training class. I am surprised by how many millwright/mechanics (including myself) can get so wrapped up in the […]

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What about the other 75-80% of your rotating machinery?

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By on March 4, 2016

In today’s lean manufacturing, RCM (Reliability Centered Maintenance) is becoming more prevalent. Condition Monitoring is a big part of RCM. However, continuous monitoring is typically only done on “critical” equipment which amounts to approximately 20-25% of the equipment. The other 75-80% might get picked up during vibration rounds, which will then have to be analyzed, […]

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MACHINERY VIBRATION PROBLEMS-CAUSES AND SOLUTIONS, PART 1

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By on February 25, 2016

Machines vibrate for lots of different reasons-some good, others not so good. Over the next few months, we are going to write about some of the most common machinery vibration causes, and possible solutions. COUPLING MISALIGNMENT One of the most common problems in coupled rotating equipment is misalignment. Simply stated, misalignment is when the driving […]

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Wind Turbine Alignment in High Winds

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By on February 18, 2016

Precision alignment of the generator to the gearbox in a wind turbine (the high speed shaft) is critical to proper operation. 60 percent of wind turbine downtime is related to drive train failure: gearbox, generator, main shaft, and their associated bearings. We also know from industry studies that misalignment of rotating machinery is responsible for […]

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Short-cuts, a way to make Precision Shaft Alignment take longer.

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By on February 12, 2016

I love my job, I love conducting precision shaft alignment training at various facilities across this great country and interacting with industrial maintenance technicians that have suffered through or are suffering through the same issues I did. I love proving over and over again that the VibrAlign method of precision shaft alignment is the best […]

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VibrAlign Launches ONEPROD Line of Fully Integrated Condition Monitoring Hardware and Software

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By on February 10, 2016

VibrAlign, Inc., exclusive US distributor of FIXTURLASER brand alignment products, is proud to announce a major expansion to its product offerings; the ONEPROD line of integrated condition monitoring products, developed by VibrAlign’s new parent company, ACOEM S.A. The ONEPROD brand, which includes the HAWK, FALCON, EAGLE, MVX, and NEST, is designed to both fill gaps […]

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Roughing in for Alignment of Long Spans

By on February 4, 2016

Most Fixturlaser alignment tools have detectors in the sensors that can measure a change of position up to 30mm (over 1 inch). In most instances, this is more than enough to measure even severe misalignment. However on long spans, if the misalignment is severe, the machines may need to be roughed in before precision alignment […]

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Soft Foot Concerns In The Stationary Machine?

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By on January 27, 2016

VibrAlign has numerous blogs on soft foot and the frustration that goes along with not eliminating it. Repeatability (or the lack of) can be a major issue. Vibration analysis will pick it up if it is severe enough. When performing a precision shaft alignment most, if not all, soft foot will be eliminated in our […]

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Troubleshooting Tips

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By on January 5, 2016

In his blog post “Repeatability vs. Desired Outcome – parts 1&2”, Stan Riddle, one of my fellow technical trainers for VibrAlign, explains why alignment results may vary from the expected outcome. He explains in some detail a number of causes and how they are affecting your alignment process. Many of these causes could be eliminated […]

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