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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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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