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Lift Oil Pocket

January 13, 2017

A quick video of a lift oil pocket machined on a CNC mill. The pocket is a constant 0.045″ deep along the curved bore.

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Geared Fluid Drives

December 15, 2016

Fluid drive applications that require an output speed that is faster than the input speed can utilize a gear set as a speed increaser.  Theoretically, a gear box can increase the speed  either before or after the fluid drive. However, it is usually better to increase the speed before the fluid drive because the size of the fluid drive parts are dependent on rotational speed at the hydraulic coupling: The faster the impeller, the smaller the parts.

TRI can make fluid drives with internal gears. A fluid drive with internal gears has two main advantages over a gear box external to the fluid drive. Machine trains that use fluid drives with internal gears have a smaller overall footprint then placing a gear box between the driver and the fluid drive, and fluid drives with internal gears eliminates the coupling between the drive and the fluid drive.

Call TRI for more information about fluid drives: (800) 363-8571

geared-fluid-drive

SIZE 195 Geared Fluid Drive
Input Speed = 1780, Output Speed = 5780

 

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Top 5 Causes of Bearing Failures

December 6, 2016

There are many reasons why bearings fail. Over the years, TRI has been involved many repairs. TRI has published a list of the top 5 problems that lead to hydrodynamic bearing failures and how to avoid these pitfalls.

top-5-graphic

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Babbitt Casting Animation

November 14, 2016

A new animation showing the centrifugal Babbitt caster at TRI Transmission & Bearing Corp. has been added to YouTube.

Read the rest of this entry »

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Past Tech Notes

September 1, 2016

Since 1994, Dr. Mel’s Tech Notes have been issued from time to time. The Tech Note has evolved.  Since 2004, they have been distributed through email.  Prior to email, the Tech Note as sent out by fax.  When we first started sending out Tech Notes, the scope and length of the information was limited by the fax technology.  Most Tech Notes were brief, one page summaries of our latest projects. Now the Tech Note is distributed via email and published on the TRI Web Site (http://www.turboresearch.com/); the length and scope of the Tech Notes are no longer hampered by the delivery method.    Read the rest of this entry »

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Bearing Repair Process

July 27, 2016

Electric generation companies make their money when it is hot outside. Consequently, they keep their machines running or available in the summer. Maintenance usually happens in the spring or fall…when the temperature is moderate.

Consequently, we have had some time at TRI to work on our web site. We undertook a big job to redesign it with a layout that will work devices of all size. We want it to look good on your desktop as well as your smart phone.

Our initial job is complete, but now we are adding more content for our customers.

Our latest addition is the Bearing Repair page. This page does more then just tell potential customers that TRI Transmission and Bearing Corp. repairs bearings. It is a bullet list of the steps bearings get when they come in the door. The list has been published so our customers understand what goes into a bearing repair.

When a bearing is sent to TRI during the summer, it usually means a machine is in an unscheduled outage. Unscheduled outages are expensive so it is critical that the repairs be done ASAP. When TRI goes to an expedited schedule, we work on the bearing repair 24 hours a day, 7 days a week. It’s important to us that the customer knows exactly what we are doing and how far along we are in the process.

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Pressure Dam and Elliptical Bore Bearings

July 7, 2016

It’s been a while since our last Tech Note, but TRI has released a new tech note. This installment explains how pressure dam and elliptical bore bearings are used to control sub-synchronous vibrations and then explains why TRI prefers the elliptical bore bearing to the pressure dam.

Download the Tech Note