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AEGIS® Bearing Protection - Why Shaft Grounding?

 

Measurements Using the AEGIS® Grounding Simulator™

         

 

The AEGIS® Grounding Simulator™ can be used to simulate how the shaft voltages will change after an AEGIS® Ring is installed. It is a quick way of showing a “Before & After” but since only a small amount of conductive microfibers are touching the shaft the shaft voltage may be higher than when the circumferential AEGIS® Ring is installed.

  1. Take the Shaft Voltage Reading without Shaft Grounding
  2. Take the Shaft Voltage Reading with the AEGIS® Grounding Simulator™

First Take the Shaft Voltage Reading without Shaft Grounding
  1. Shaft must be clean & free of any coatings, paint or other nonconductive material.
  2. Secure the probe in place with magnetic base.
  3. Align AEGIS® SVP™ on shaft end or side ensuring continuous contact. Avoid keyway if possible.
  4. Place probe grounding lead on bare metal of motor ensuring conductive path to ground.
  5. Save the image, as described on page 40.

The voltage measurement of 28.6V peak to peak is an example of the voltage discharging through the bearings without AEGIS® shaft grounding.


Follow all safety precaution when working with rotating equipment.


Next Take the Shaft Voltage Reading with the Grounding Simulator™ Touching the Shaft
  1. Maintain the same setup as above.
  2. Place the AEGIS® Grounding Simulator™ grounding lead on bare metal of motor ensuring conductive path to ground.
  3. Place the Simulator against the shaft to simulate the AEGIS® SGR Bearing Protection Ring.
  4. Freeze the screen and save the image.

The voltage measurement of 2.2V peak to peak is an example of the voltage discharging through the AEGIS® Grounding Simulator to ground. The AEGIS® SGR Bearing Protection Ring will perform equally or better.


Follow all safety precaution when working with rotating equipment.


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