This calculator will assist with shaft coupling alignments by determining the required motor foot moves from coupling alignment measurements. Use the calculator with diameter & face dial indicator readings or equivalent direct laser readings
Indicator sag may cause significant errors in this method, and depends on the length and rigidity of the dial indicator mounting bars. To compensate, it is necessary to measure total sag (TIR) using a rigid bar and enter this value in the sag input box. The calculator will compensate for this sag error.
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