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Reliability Maintenance Takes a Medical Approach to Rotating Equipment, Part 3 – Ultrasonic Testing

January 31, 2024

In both medicine and industrial diagnostics, less invasive methods are typically the tests and procedures that are often the most cost-effective and easiest to recover from. Ultrasonic testing – sometimes referred to as sonography – is a noninvasive imaging method that relies on high-intensity sound waves to create images of internal workings and compartments. In reliability …

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Learn to prevent electric motor failures! Explore thermal, mechanical, electrical, and environmental stressors for extended lifespan. Trust HECO's expertise.

Four Winding Failures to Avoid in AC Motors

January 10, 2024

Did you know the vast majority of electric motor failures are preventable? Sure, everything has a limited lifespan so some failures cannot be prevented, but many of the motors that come into our shop have suffered an unnecessary failure. Since HECO launched in 1959, we’ve performed countless motor failure repair jobs. Motor rewinds in particular …

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NEMA Standards, Part 3 – Understanding Frame Number Suffixes

December 6, 2023

By defining how motors are designed, built, and referred to on their respective nameplates, standards from the National Electrical Manufacturers Association apply to all electric motor manufacturers to ensure that all manufacturers follow identical dimension data and naming conventions. Known as NEMA frame sizes or electric motor frame sizes, these electric motor dimensions assist operators, manufacturers, …

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How to Get the Right Electric Motor

How to Get the Right Electric Motor, Part 2 – Review NEMA Standards & Efficiency

September 20, 2023

Once you’ve determined that you need a new electric motor, many of the resulting considerations center around the prospective motor’s specifications and capabilities. If your previous or prospective motor is regulated by the National Electrical Manufacturers Association (NEMA), the good news is that the organization’s standards will help guide your choices and build efficiency. At …

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NEMA Standards, Part 2 – Interpreting Frame Sizes

August 9, 2023

Known as NEMA for short, the National Electrical Manufacturers Association, is the United States’ largest electrical equipment manufacturer trade association. As established in part 1 of our NEMA Standards blog series, uniformity is a must in electrical manufacturing. At HECO, NEMA’s MG-1 standard for motors and generators is of particular interest when assisting customers in …

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Visual Inspections Can Help Avoid Issues, Unnecessary Maintenance Costs

Visual Inspections Can Help Avoid Issues, Unnecessary Maintenance Costs

June 28, 2023

Are you the kind of person that checks your vehicle’s oil level and quality between oil changes or do you just trust that the automotive manufacturer knows when your oil goes from “good” to “get an oil change now!” status? At HECO, we’re both hyper-aware of the manufacturer specifications and proactive about minding our machines …

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