While on the road conducting precision shaft alignment training I run across a wide range of skill level. It is not uncommon to have a lot of questions. I like it when there are questions, that is usually an indication that the trainees are engaged. It is also not uncommon that a question starts with, let me ask a stupid question or this might be a stupid question. I believe the only stupid question is the one that is not asked.

Which brings me to this, in a recent exceptionally engaged class, the question was “what do the results numbers at the coupling mean and why are they important?” This gave opportunity to review, with the class, a few very good blogs by the VibrAlign alignment experts on the subject. Links to them are provided below for your review.

Who decides your shaft alignment tolerances? Patrick Lawrence Feb 21, 2012

Foot tolerances vs coupling center tolerances. Patrick Lawrence May 4, 2012

Coupling Tolerances. Brian Shanovich April 17,2014

Coupling Tolerances vs Shaft Alignment Tolerances, what’s the difference? Brad Case June 24, 2016

Coupling tolerance vs shaft alignment tolerance Stan Riddle Oct 8, 2014

How to read an alignment report. Michael Keohane May 1, 2013

This is just 6 of the many blogs written on tolerances and why they are important. Don’t be afraid to ask, there are no stupid questions. And as you got a sample of, there is a plethora of information in the VibrAlign Blog site.

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