Posts tagged with: “shaft alignment”

What To Do When They Want To Run the Machine NOW!

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By on June 18, 2014

I frequently hear statements similar to these in training classes: We just straightedge it in, and align it when we have an outage. Don’t be so picky.  It IS a flexible coupling. They won’t give me time to align it properly. My answers are something along these lines: I doubt they’ll let you go back […]

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The Fastest Way to Do an Alignment

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By on May 23, 2014

According to our resident alignment training “philosopher” Stan Riddle, “The fastest way to complete a precision shaft alignment is to take your time”. This doesn’t mean to take numerous breaks, what he is telling us is to stop and think! As Industrial Mechanics, usually in a production environment, we tend to try and complete a […]

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The Mounting Question??

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By on May 16, 2014

One of the frequent questions that we are asked is “Where do I mount the sensors?” The answer is that   you must mount them to the rotating elements of the driver and driven machine in a location that provides a solid footing for whatever mounting apparatus you need to use. The sensors also must have […]

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Spacer Shafts, Jack Shafts, Line Shafts, and Spool-pieces

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By on April 25, 2014

In shaft alignment, the terms Spacer Shaft, Jack Shaft, and Spool-piece are often interchanged.  They refer to a shaft which connects the driving machine to the driven machine.  While the name is not so important, the type of configuration must be known, because the method of alignment can be different depending upon the type. They […]

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Can Precision Shaft Alignment Be Too Good?

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By on April 3, 2014

A shaft alignment tolerance is simply that – an allowable, minimal amount of misalignment.  There are many different tolerance tables for shaft alignment.  At VibrAlign, we have a good alignment tolerance, based on many years of experience and engineering.  Other alignment tools have their own tolerance tables.  Many technical and trade organizations have their alignment […]

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Why Do People Struggle with Alignment? – Part 2

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By on March 26, 2014

In my previous blog entry “Why do people struggle with alignment? Part 1”, we discussed the importance of not only micing, cleaning, and consolidating shims but also noting the total amount of shims under each foot of the movable machine. The motor-pump set we performed an alignment check on, had the following amount of shims […]

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Why do people struggle with alignment? Part 1

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By on March 6, 2014

After a shaft alignment check, if it’s out of tolerance, some maintenance personnel will skip the pre-alignment checks and proceed directly to correcting the vertical and horizontal misalignment. Frustration begins to set in as the alignment results go back and forth and seem inconsistent. The laser shaft alignment instrument says to add 20 mils to the […]

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Let the App Do the Math!

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By on March 3, 2014

VibrAlign, Inc. is committed to helping businesses use their resources more efficiently and effectively through the precise alignment of the shafts of rotating equipment. As leading innovators in alignment processes, VibrAlign has teamed with Fixturlaser to revolutionize dial indicator shaft alignment with the launch of a new app called Fixturlaser Dials. The Fixturlaser Dials App […]

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Converting Laser Alignment System Readings to Rim and Face Dial Readings

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By on January 29, 2014

VibrAlign released the free Laser-Dials App to aid laser system users who need/want to convert their laser shaft alignment system results to rim and face dial indicator readings. You can also use the App to convert dial indicator readings to laser readings. Most are interested in converting laser results to dials so that is what […]

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The Alignment Triangle

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By on December 18, 2013

No, it is not the place where good shaft alignments get lost – never to be seen again!  It is a way of thinking about locating machinery feet so that the shafts are in alignment, even when the feet of the moveable machine may be a few thousandths up, down, left, or right of perfect.  […]

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Balance Your Couplings

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By on October 16, 2013

Balancing your couplings is not essential to a great precision shaft alignment, though it is an essential part of a job well done. As part of your prealignment steps/checks, the keyways of the driver and driven machine shafts should be set 180 degrees apart from each other. This will help to correct any influence that […]

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“MIC” Your Shims!

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By on September 20, 2013

Has this ever happened to you? You’re aligning a machine and your laser alignment system or dial indicator calculations tell you to add shims under the motor feet. You do what is expected, re-measure and you still have to add shims! Wonder why?  I’ve heard it before, my laser doesn’t work or you calculated wrong. […]

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Working as a team? Communication is key!

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By on September 9, 2013

During a recent Fixturlaser GO Pro Training class, at a mid-west university, we performed a shaft alignment on a large Flowserve HVAC pump with a 500 HP electric motor.  This motor was large enough that multiple people could work on both sides without really seeing each other.  Well, that proved to be an issue with […]

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It’s Brand New, So It MUST Be Aligned, Right?

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By on August 26, 2013

During a recent training class at a new facility in Indiana, the class wanted to check alignment of a recently installed circulating pump.  Their response was, “It’s brand new, so it must be aligned, right?”.  To which I responded, “I’ll bet it isn’t”. Here are the alignment results as we found it.  For an 1800 […]

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IS VIBRATION INTERFERING WITH YOUR PRECISION SHAFT ALIGNMENT?

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By on July 1, 2013

During a recent Fixturlaser XA Pro training class, at a Texas petrochemical plant, we were performing an alignment on a 25 HP, 3600 RPM electric motor & water pump.  At first the class was having a little trouble bringing the alignment into the 3600 tolerance due to two separate issues. The first was severe vibration […]

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