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October, 2022
LM76 Introduces Radial Bearings for Electric Motors
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EAST LONGMEADOW, MA — CERAMICSPEED radial bearings are designed to last up to 8 times longer than traditional radial bearings. Custom-made for electri- cal motors, CERAMICSPEED Insulate™ radial bearings protect against damage to the race, balls, and retainers resulting from high voltage arcing, especially when variable frequency drives are con- trolling the motors as speeds con- stantly change, exacerbating arc- ing. Insulate’s silicon nitride ceramic balls are 400% smoother, 128% harder, and feature an insu- lation rating of 15 kV per mm com- pared to 1 kV per mm of steel balls. Because ceramic balls are harder and smoother, they have a lower coefficient of friction and run at 10 to 20 degrees Celsius lower temperatures, extending the life of the lubrication. This allows for up to 50% higher speeds, and con- sumes less energy. These features contribute to an ROI (return on Investment) that is typically real- ized in the first lifecycle of a tradi- tional bearing. FDA and USDA compliant
CERAMICSPEED radial bear- ings have been approved for food and beverage, and pharmaceuti- cal applications. These bearings also tolerate extreme operating
conditions such as: Abrasive slur- ries and powders, caustic and high pressure wash downs, corro- sive atmospheres, shock and vibration, and there is no spalling under extremely high loads. CERAMICSPEED Insulate
radial bearings are available in several different sealed and open configurations in sizes for small motors operating at speed to
CERAMICSPEED Insulate radial bearings.
70,000 rpm, and for offshore wind turbines operating at 20 rpm. Additionally, there are a variety of seals and lubricants that can be recommended depending on loads and frequencies so that they can be configured to the exact needs
of a customer Contact: LM76, 140
Industrial Drive, East
Longmeadow, MA 01028 % 413-525-4166 E-mail:
mquinn@lm76.com Web:
www.lm76.com
Richardson Launches Patent-Pending Shunt Resistor
LAFOX, IL — Richardson Elec - tronics a global provider of engi- neered solutions for green energy applications, has released a new patent-pending shunt resistor accessory for the ULTRA3000® pitch energy module (PEM). The designed shunt resistor is a drop- in replacement for the OEM shunt resistors used in utility scale wind turbines that utilize electric pitch systems. The shunt is used to monitor
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current feedback to the turbine controller during pitch events, allowing the controller to notify operators of potential electrical or mechanical issues within the pitch system. This device is crucial to turbine operation and required for full operation. Richardson Elec - tronics’ design works with either battery or ultracapacitor equipped systems. This device will reduce failures in short-circuited pitch motor scenarios and decrease tur- bine down time. Installation hard- ware included. Richardson Electronics, Ltd.
offers engineered solutions, power grid and microwave tubes, and related consumables; power conversion and RF and micro - wave components; high-value replacement parts, tubes, and service training for diagnostic imaging equipment; and cus-
tomized display solutions. Contact: Richardson
Electronics, 40W267 Keslinger Road, P.O. Box 393, LaFox, IL 60147 % 630-208-2200 E-mail:
chrism@rell.com Web:
www.rell.com
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