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Visual Inspection of Couplings and Machinery Components

Some things just don’t pass the “eye test”.  Your eyes are actually great tools for seeing things that are not straight, not plumb, not level (pictures hanging on a wall for example), not right.  Many times, just by looking at a coupling you can tell “it’s not aligned”, and you are usually correct. Visual Inspection:…

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Dial Indicator Alignment – Bar Sag Still Exists in 2018!

And it just may be a lot more than you would think. While visiting a customer site to do an alignment check using the EVO laser alignment tool on a 1750 HP Electric Motor / Boiler Feed Water Pump / 3574 rpm, measurements were taken several times (x3) to make sure the values were repeatable. …

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Do You Have Bar Sag?

I’m not referring to what happens after you have had too many adult beverages at your favorite watering hole! I’m referring to the bars that holds your rim dial indicator(s) when performing a precision shaft alignment. Bar sag also called rod sag needs to be compensated for, should it occur, otherwise you are introducing a…

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