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Installation Errors Part 4 – Hold Down & Jacking Bolts

Correct fastener torque is important for proper assembly of rotating machinery components to machine bases. Proper torque insures that the…

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After Shaft Alignment, Back Off on Jacking Bolts to Reduce Vibration

Jacking bolts provide an easy and accurate way to horizontally position a motor during a shaft alignment. However, it they…

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Getting Pushy–Jacking Bolts Revisited

Jacking bolts provide a smoother, easier way of moving machinery than using pry bars and hammers. Their use will almost…

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Jacking Bolts

Jacking bolts provide a smoother, easier way of moving machinery than using pry bars and hammers. Their use will almost…

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Jack Bolts, Pushers, and Motor Movers

A common source of frustration during the precision alignment process is, how can we make a controlled move when making…

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Back Off Jack Bolts for Improved Alignment Results

Millwrights and mechanics know the benefits of using jack bolts to precisely control the horizontal position of the movable machine…

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Top Tips for Leveling Your CNC Machine

Leveling your CNC machine is a very important function that you can perform on it. A level machine is critical…

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You Can’t Perform Precision Alignment on Un-precise “Stuff”!

Alan Garbers with Johnson Controls International contacted me regarding an alignment problem, and asked for my advice.  Here is a…

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The Soft Foot Primer (Part 3) How to REALLY Minimize Soft Foot Every Time

It is both possible, and desirable, to minimize the negative effects of soft foot.  While it may be difficult to…

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Precision Shaft Alignment with Adjustable Chocks

We have written, here on the VibrAlign blog, about adjustable chocks used in place of shims for vertical adjustment and…

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Repeatability vs. Desired Outcome in Shaft Alignment, Part 2

In my last post, we looked some reasons for non repeatable, or when “two plus two doesn’t equal four”. This…

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Pry Bars, Sledge Hammers and Come Alongs – Oh MY!

Precision alignment of rotating equipment is a task which requires precision. Those of us who perform this task are asked…

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Shaft Alignment of Small Machines

The VibrAlign Training Faculty sees a lot different machines during our training classes across the USA. The one statement that…

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Pre-alignment Steps Save Money

There are many types of tools with which we can perform an accurate shaft alignment. For most of us, laser…

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