Shaft Grounding Ring installs with conductive epoxy.July 9, 2009 -
AEGIS SGR Bearing Protection Ring(TM) is installed with conductive epoxy, eliminating need to drill bracket holes in motor's end bell. For motors controlled by VFDs, unit channels harmful motor-shaft currents away from bearings and safely to ground. It installs in minutes, is maintenance-free, and operates without friction or wear.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Electro Static Technology
31 Winterbrook Rd.
Mechanic Falls, ME, 04256
USA
Current Diversion with Aegis Shaft Grounding Ring Now Available with Conductive Epoxy
MECHANIC FALLS, ME - The AEGIS SGR Bearing Protection Ring(TM) from Electro Static Technology diverts currents quickly and easily with conductive epoxy, eliminating the need to drill bracket holes in the motor's end bell. For motors controlled by variable frequency drives (VFDs), the SGR channels harmful motor-shaft currents away from bearings and safely to ground, protecting them and extending their lives for a sustainable "green" solution. Installation of the SGR, whether by the motor manufacturer or end user, takes just minutes. Unlike conventional grounding brushes, the ring is maintenance-free and works with virtually no friction or wear for the service life of the motor.
While VFDs deliver impressive energy savings (up to 30% or more), they also induce harmful currents on the shafts of the motors they control. These currents too often damage motor bearings and lead to costly downtime and premature motor failures. Without an effective means of shaft grounding, the currents will discharge through the bearings, causing pitting and fluting damage to the bearing race walls. Over time, this can lead to noise, vibration, and bearing failure, severely reducing the reliability of the entire system and wiping out any savings from using the VFD. Adding an AEGIS SGR to a VFD-driven motor produces a true inverter-duty motor.
Installing the SGR with conductive epoxy takes only minutes and eliminates the need to mark and drill holes in the motor's end bell. The motor shaft and end bell must be clean and free of any coatings, paint, or other conductive material. The installer simply applies the adhesive to the back side of the SGR, centers the SGR around the motor shaft, and holds the ring in place to allow the adhesive to set. Units are guaranteed for one year from the date of purchase against defective materials and workmanship.
For more information, contact: Adam Willwerth, Sales and Marketing Manager, Electro Static Technology, 31 Winterbrook Road, Mechanic Falls, ME 04256, Toll-Free: 1-866-738-1857, TEL: (207) 998-5140, FAX: (207) 998-5143, sales@est-aegis.com, www.est-aegis.com.
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