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Equipment Management Archives - Page 4 of 4 - HECO

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Electric Motor Ball Bearing Lubrication Pitfalls

July 14, 2016

This is our third and final article in a series of articles on ball bearings in electric motors. You are encouraged to view our prior articles at the links below: Electric Motor Ball Bearings Types & Options Greasing Electric Motor Ball Bearings This article picks up where those left off… What else should you consider …

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Greasing Electric Motor Ball Bearings

July 8, 2016

Before reading this article, please first read our article on Ball Bearing types and options. That is the first article in this series of articles on electric motor ball bearings. This article is focusing on some factors to consider when greasing ball bearing motors. There is a variety of useful information in this article, but …

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Electric Motor Ball Bearings Types & Options

June 29, 2016

Most electric motors in industrial facilities consist of rolling element bearings, either ball bearings or roller bearings. We will explore these different types of bearings and sealing methods in this article. Ball Bearing Used in direct coupled applications. These can handle axial as well as radial loads. Roller Bearing Used for belted applications, generally in …

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Insulating Electric Motors: VPI or Varnish Dip?

May 19, 2016

VPI (Vacuum Pressure Impregnation) is a process that is a technological step forward from varnishing electric motors. The old dip and bake (in varnish) method of “insulating” motors is replaced by the VPI process for specific reasons: Harsh Environment Improved Efficiency (through better heat transfer) Improved Mechanical Winding Design When electric motor repairs proceed as …

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