Author Archive

About Brad Case

Brad Case has been associated with VibrAlign since 1990, first as a manufacturer's representative, then joining the company as a direct employee in 2005. He has 25 years experience in aligning industrial machinery. Brad began his career in the automotive industry providing technical training, sales, and service for Murray Goldseal an aftermarket air conditioning component manufacturer. His background includes 25 plus years experience in sales, service and training for centralized lubrication systems (including large scale oil mist applications in petrochemical facilities), couplings, gearing, and gear reducers. Brad and his wife currently live in Allen, TX.
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Video: Concepts of Shaft Alignment – Backlash

VibrAlign, Inc. has released a new video entitled “Concepts of Shaft Alignment: Backlash”.  The video describes and depicts how coupling backlash can cause measurement errors and illustrates two guidelines for controlling backlash. The video series was based on ideas for [...] Read More

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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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The Importance of Roughing-in Machines before Performing a Shaft Alignment.

During our Best Alignment Practices Training classes our staff of VibrAlign Trainers stresses the importance of rough aligning the machines as part of the pre-alignment steps.  The main reason to do so is to minimize the coupling influences on the [...] 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

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Aligning Machines Mounted on Chocks

“Our large machines use adjustable chocks, instead of shims for correcting the vertical alignment; can we use the VibrAlign Verti-Zontal compound move with our Fixturlaser XA when correcting the misalignment?” Absolutely! Adjustable chocks are typically found on large machines such [...] 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

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Cupped Washers

The OJT portion of a recent training class was the alignment of a 3600 RPM electric motor driving a Bell & Gossett Fire Service Water Pump. As the hold down bolts were tightened (in a cross torque pattern) the horizontal [...] Read More

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Cooling Tower Adventures

The OJT portion of a recent XA alignment training class led us to a two-cell cooling tower that had a run of bad luck–motor bearing failures, internal supports broken, visibly shook when it ran, etc.