Archive for the ‘Pumps & Motors’ Category

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Bolt Bound? No Alternate Move Calculator? No Problem!

Previous blogs have discussed several different solutions for solving Base Bound & Bolt Bound conditions when preforming precision laser shaft alignment (Base/Bound Math and Solving Base/Bound Alignment Alignment Problems). Sometimes though, the solution for a Bolt Bound issue is fairly [...] Read More

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What if you had to leave a machine slightly misaligned? What would you choose, angle or offset?

As alignment professionals we all want to do the right thing and perform the best shaft alignment possible; however there may be a time when you have to choose and knowingly leave a machine slightly misaligned for the short-term until [...] Read More

Uncoupled alignment

Aligning Uncoupled Machines

Normally, it is faster and more accurate to perform shaft alignment while the machines are coupled together.  This offers several benefits such as:  Keeping the relative angular positions of the shafts the same allows the technician to align the true [...] Read More

shim stack

Stacking the Deck Can Get You in Trouble!

The photo to the right was taken at a recent training class. The maintenance guys at this facility were excellent aligners. They were adamant about getting their shaft alignments to “better than excellent” levels. They believed in preparing the surfaces [...] Read More

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Thermal Growth-What’s So Hot About It?

Engineering and technical people often use technical phrases that sound complicated. Thermal growth is one of those terms. It sounds like it could be an engineering marvel – one that would help us perform complicated alignments of high temperature, high [...] Read More

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Train-ing

A machine train alignment, one in which there are more than two machine components, and more than one coupling, may seem difficult to most aligners. But with some basic understanding, and the ability to “see the forest as well as [...] Read More

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Do Vertical Pumps Need Alignment?

Yes? No? Maybe? Yes! You may have heard this in the past…”We can’t align our vertical pumps since there is no adjustment due the ‘machined fit’ between the electric motor and pump housing. Plus it has a rigid coupling!” You [...] Read More