When performing precision shaft alignment, regardless of the measuring tools being used, size matters. Many coupled machines have obstructions around the couplings, such as transmitters, oil or cooling lines, conduit…
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In shaft alignment, the terms Spacer Shaft, Jack Shaft, and Spool-piece are often interchanged. They refer to a shaft which connects the driving machine to the driven machine. While the…
Read MoreA shaft alignment tolerance is simply that – an allowable, minimal amount of misalignment. There are many different tolerance tables for shaft alignment. At VibrAlign, we have a good alignment…
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VibrAlign recently released an excellent “how-to” video on its You Tube channel. This video explains not only how to use the VibrAlign Belt Hog laser sheave/pulley alignment tool, but also…
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No, it is not the place where good shaft alignments get lost – never to be seen again! It is a way of thinking about locating machinery feet so that…
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Recently a customer contacted us about increased vibration on a motor, due to a broken washer. And they wanted to know if there was a specification for washer hardness, and…
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On rotating machinery, runout is defined as the degree to which a shaft or coupling deviates from true circular rotation. Every shaft or coupling has a center or rotation, or…
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During a recent training class at a new facility in Indiana, the class wanted to check alignment of a recently installed circulating pump. Their response was, “It’s brand new, so…
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VibrAlign’s Shaft Alignment Training is the best in the industry. We not only train maintenance personnel on how to use our tools – we teach alignment! Lots of it! We…
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One of my co-workers recently fielded a call from a customer, asking, “What is the proper way to size shims under motor feet?” In other words, if the foot is…
Read MoreSometimes precision laser shaft alignment is a quick, neat, orderly maintenance task. And sometimes, it is not! Occasionally, everything that can be wrong IS wrong. While teaching a Fixturlaser Go…
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Stainless steel shims are now the standard for use in shimming machinery when preforming a precision laser or dial indicator shaft alignment. They are clean, corrosion resistant, flat, and most…
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Some machines are not manufactured with a typical 4 footed configuration. Precision shaft alignments can still be easily accomplished on these “non-typical” machine configurations, if you remember a couple of…
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Variable pitch sheaves are used frequently in air handlers. They allow the design engineer to increase or decrease the speed of the driven machine. In doing so, they allow for:…
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A customer in the northeast US was concerned that his laser wasn’t working properly. He called into our office stating “the motor shaft is a ¼ inch low at the…
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