Cardan Shaft? Spacer Shaft? What Kind Is It?

Recently, I provided training for a location that had vertical mounted electric motors driving pumps that were one or more floors below them. In this case, these pumps were driven with Cardan Shafts, however they did not have the typical 5-to-15-degree angles (between the motor & pump shafts and the drive shaft) recommended for lubrication…

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Long Distance Rough Alignment with the Coning Method

Recently, VibrAlign was called to consult with a customer to recommend a procedure and alignment tools for a very long-distance vertical pump alignment.  First, we will describe the machine and then how we aligned it.  This large raw sewage pump machine train begins at the driver level.  In this plant, floor levels are described by…

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