Take A Step Back During Your Shaft Alignment

Sometimes we get wrapped up in our work. So much so that we forget to take a step back and get the big picture. Whether using dial indicators or a laser alignment tool for shaft alignment, backing up a few feet and taking in the whole system might give you some insight into how to…

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Cutting Shims to Correct Soft Foot During A Shaft Alignment

Here’s a thought-provoking question for you my fellow shaft aligners: is cutting shims to correct soft foot overkill? That concern was addressed last week during a shaft alignment training class where we aligned a nice little water pump. The motor had one of the stamped out bases that are always fun to work with. We…

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Troubleshooting Looseness During Shaft Alignment

Everyone has had shaft alignments that seemed to be possessed. Whether you’re using a laser alignment system or dial indicators, one set of readings tells you to go in one direction, the next set of readings tells you something completely different. If you’re having repeatability problems, something is loose. Is it that simple? Yes! So…

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The Return of Soft Foot

Previous alignment blog postings have discussed the negative effects of soft foot on rotating machinery reliability and the importance of checking and correcting soft foot before proceeding with a shaft alignment. The question is: “does soft foot need to be checked during an alignment?” Possibly. During a recent GO Pro training class an alignment check…

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Was Soft Foot the Problem?

We all know what soft foot is, correct? Soft foot is when we are sitting at dinner and the table rocks. Our solution: put a matchbook, folded piece of cardboard or sugar pack under the leg that needs to be raised even with the other three. Now let’s eat dinner without our drink spilling. In…

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Soft Foot–What It Is and How to Minimize It

Soft foot is a common issue when aligning rotating equipment. It is a major cause of repeatability problems in shaft alignment measurements. In addition to alignment quality and repeatability problems, it can be a cause of machinery vibration, reduce life in electric motors, and cause internal clearance problems in gearboxes and pumps. But if the…

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