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Reducing losses and increasing profits by instituting a motor management plan is what this series of articles is all about. Here in Part I, we discuss how to create a motor inventory and establish repair-or-replace motor guidelines. Subsequent topics in this
three-part series will address (Part II)
motor failure policies and purchasing
specifications, and (Part III) repair
specifications and preventive and predictive maintenance, respectively.
The secondhand on the Doomsday
dial ominously spins around the face,
slowly but ever so surely inching the
motor industry towards its inevitable
terminus:
This issue we take a long, hard look at motor efficiency, and you should, too. After all, electric motors used in industrial settings are the single largest consumer of electricity in the United States. Upgrading your electric motors is not only good for the environment, but it’s
also good for your bottom line. Sure, saving electricity lessens
the burden on our country’s energy infrastructure. But it
also saves you money in the long run.
In 1991, Needelman and Zaretsky presented a set of empirically
derived equations for bearing fatigue life (adjustment) factors (LFs) as a function of oil filter ratings.