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Articles in Industry Publications

Performing a Single-Phase Rotor Test on an Assembled Three-Phase Induction Motor

  • May 2025
  • Number of views: 101
Video

The video provides a comprehensive guide on performing a single-phase rotor test on a three-phase squirrel cage motor to check for open rotor bars.

Rewind Tips For 2300-Volt, Random-Wound Motors

  • May 2025
  • Number of views: 310
Article

From the manufacturer’s perspective, a random-wound, 2300-volt motor represents a substantial reduction in manufacturing cost. For the service center, the challenge is to successfully rewind them while providing a reliable repair. Here are some techniques which will enhance your success rate.

Are Single Function Test Devices Necessary with the Availability of Multi-Function Test Equipment?

  • May 2025
  • Number of views: 246
Article

Modern testing devices now have more capability than ever. Modern test equipment has gained multi-function testing capability. They even package the tests into colorful professional reports. With that being said, do we still need single function equipment to accurately diagnose and perform high quality inspections on electromechanical equipment?

Consejos para rebobinar motores de alambre redondo de 2300 Voltios

  • May 2025
  • Number of views: 205
Article

Desde la perspectiva del fabricante, un motor de 2300 voltios con bobinado aleatorio representa una reducción sustancial en el costo de fabricación. Para el centro de servicio, el reto es rebobinarlos con éxito y ofrecer una reparación confiable. Aquí hay algunas técnicas que mejorarán su tasa de éxito.

¿Son necesarios los dispositivos de prueba monofunción cuando hay disponibilidad de equipos multifunción?

  • May 2025
  • Number of views: 172
Article

Los dispositivos de prueba modernos cuentan con más capacidades que nunca.  Los equipos de prueba modernos también han adquirido la capacidad de realizar pruebas multifunción. Incluso compilan el resultado de las pruebas en informes profesionales a todo color. Dicho esto, ¿seguimos necesitando equipos monofunción para diagnosticar con precisión y realizar inspecciones de alta calidad en equipos electromecánicos?

Taking Three-Phase Winding Data

  • April 2025
  • Number of views: 496
FREE for Members of EASA
Webinar recording

This presentation stresses the importance of taking accurate winding data and explains and emphasizes the consequences of inaccurate data. One of the main benefits of this presentation is to improve ability to “get it right the first time” to avoid the added cost and time of another rewind to correct errors.

Cleaning Commutator and Slip Ring Surfaces with a Brush

  • April 2025
  • Number of views: 887
Article

When there is a need for cleaning the contact surfaces of commutators and slip rings with brushes, emery cloth with aluminum oxide is NOT recommended, as conductive abrasive particles will cause arcing and damage to the surface. Many times, stone cleaning, garnet paper and machining are not a convenient, sufficient, or cost-effective option for machines as the priority is to keep the downtime to a minimum. This is when the carbon brush can be designed to clean up the contact surface.

Introduction to Large Language Models (LLMs) and Prompt Engineering

  • April 2025
  • Number of views: 722
Article

Large Language Models (LLMs), powered by artificial intelligence (AI), can process and generate human-like text, making them invaluable for a variety of applications, including technical support, documentation, and troubleshooting. Just remember, these tools can be prone to error and when unrealistic or poor prompts are used.

Limpiando las superficies de los colectores y anillos rozantes con escobillas

  • April 2025
  • Number of views: 324
Article

Cuando sea necesario limpiar las superficies de contacto de los colectores y anillos rozantes, NO se recomienda usar tela de esmeril con óxido de aluminio, ya que las partículas abrasivas conductoras pueden causar arcos eléctricos y dañar la superficie. Muchas veces, la limpieza con piedra, el papel granate (Garnett) y el mecanizado no son una opción conveniente, suficiente ni rentable para las máquinas, ya que la prioridad es minimizar el tiempo de parada. En este caso, la escobilla de carbón se puede diseñar para limpiar la superficie de contacto.

How K&N an Impel Company Uses EASA’s Online Learning Center to Encourage Continuing Education

  • April 2025
  • Number of views: 589
Article

Employee recruitment, retention and succession are all areas that are challenging and infinitely important to business and personal success. Increased employee engagement translates into enhanced quality outcomes and generally positive working conditions. So, how do we get there?

Management Tip: A Tailored Approach to Employee Rewards: Why to Consider Shifting Away from One-Size-Fits-All

  • April 2025
  • Number of views: 449
Article

Revamping your employee reward system to shift away from a standardized approach to a more personalized model that offers a variety of options can make a big difference in engagement.

Introducción a los Modelos de Lenguaje Grandes (LLM) e Ingeniería de Solicitudes

  • April 2025
  • Number of views: 317
Article

En el campo de la tecnología electromecánica, en evolución rápida, es crucial estar al día con las últimas herramientas y metodologías. Una de estas herramientas que ha cobrado gran relevancia es el Modelo de Lenguaje Grande (LLM). Estos modelos, impulsados por inteligencia artificial (IA), pueden procesar y generar texto con una calidad similar a la humana, lo que los hace invaluables para diversas aplicaciones, como soporte técnico, documentación y resolución de problemas.

Smells Like Money to Me

Sewage and wastewater treatment pumps can be profitable

  • March 2025
  • Number of views: 852
Article

Sewage and wastewater treatment pumps are common machines repaired in EASA service centers. While both odor and biohazard are real problems, there are ways to deal with each, and service centers looking to broaden their repair market should not shy away from a profitable market because of the odor and biohazard. 

Para mí, huele a dinero

Las bombas de tratamiento de aguas residuales pueden ser rentables

  • March 2025
  • Number of views: 1138
Article
Las bombas de tratamiento de aguas residuales y residuales son máquinas habituales que se reparan en los centros de servicio de EASA. Si bien tanto el olor como el riesgo biológico son problemas reales, hay maneras de abordar cada uno de ellos, y los centros de servicio que buscan ampliar su mercado de reparación no deberían rehuir un mercado rentable debido al olor y el riesgo biológico.

Endplay and End Float

  • February 2025
  • Number of views: 2567
FREE for Members of EASA
Webinar recording

Horizontal and vertical motors have uniquely different requirements for endplay, while sleeve bearing machines bring their own challenges. This presentation examines those differences.

IEC to NEMA Motor Ratings

  • February 2025
  • Number of views: 1431
Article

The information in this article provides comparisons of key characteristics of IEC and NEMA motors to aid in evaluating the potential simplicity or complexity of the IEC to NEMA design conversion.

Los exclusivos motores de CA de las apiladoras de troncos: más allá del diseño D

  • February 2025
  • Number of views: 784
Article

En este artículo, se profundizará en los motores de CA responsables de las funciones de inclinación y elevación de las apiladoras de troncos. Estos motores poseen características distintivas, incluido un rotor de alta resistencia.

Clasificaciones IEC a NEMA

  • February 2025
  • Number of views: 935
Article

La información de este artículo proporciona comparaciones de las características clave de los motores IEC y NEMA para ayudar a evaluar la posible simplicidad o complejidad de la conversión de diseño IEC a NEMA.

Lubricating an Open Ball Bearing During Assembly of an Induction Motor

  • January 2025
  • Number of views: 3833
Video

This video shows the proper way to lubricate the deep-groove, open ball bearing before assembling a horizontal induction motor.

Seating Carbon Brushes on a DC Machine

  • January 2025
  • Number of views: 2117
Video

This video shows the proper procedure for seating carbon brushes in a DC machine.

Testing Interpole Polarity on a DC Machine

  • January 2025
  • Number of views: 3243
Video

This video will walk you through how to check the relative polarity of DC machine interpoles and the armature and correct it if necessary using a simple interpole polarity test.

Using an Induction Heater to Install Interference-Fit Bearings

  • January 2025
  • Number of views: 2963
Video

This video demonstrates the correct way to use an induction bearing heater to install an interference fit ball bearing on a machine shaft.

Brush Stagger to Optimize Brush Life Through Current Density

  • January 2025
  • Number of views: 1995
Article

When working with DC machines, it’s not uncommon to find a customer who runs different products requiring a range of armature current. Unlike other conductors, where lower current is a good thing, carbon brushes are designed for a narrow range of current density. A unique aspect of carbon brush life is that brushes operating at a much lower current density than they are designed for do not last nearly as long as expected.

The History and Evolution of AR100

  • January 2025
  • Number of views: 1205
Article

Being proactive on behalf of the repair industry, EASA created the best practice repair standard for the industry. This article looks back on this history of this important document.

La Historia y Evolución de la AR100

  • January 2025
  • Number of views: 891
Article

Durante los 90, las normas gubernamentales para la eficiencia de los motores eléctricos fabricados generaron preocupaciones de que pudieran surgir regulaciones o normas para la reparación de motores eléctricos. Como representante de la industria de reparación de motores eléctricos, EASA respondió buscando el reconocimiento de su Práctica Recomendada para la Reparación como Norma Nacional Americana. Ser proactivo en la obtención de dicho reconocimiento significaría que, en nombre de la industria de la reparación, EASA crearía la norma de las mejores prácticas de reparación para la industria.

Desalineamiento de escobillas para optimizar su Vida útil através de la Densidad de Corriente

  • January 2025
  • Number of views: 1286
Article

Al trabajar con máquinas de CC, no es raro encontrar un cliente que fabrica diferentes productos que requieren un rango de corriente de armadura. A diferencia de otros conductores, donde una corriente más baja es algo bueno, las escobillas de carbón están diseñadas con poco margen de densidad de corriente.

Getting the Most From the Phase Balance Test

  • December 2024
  • Number of views: 2356
Article

The phase balance test is a simple yet effective method for diagnosing some problems with existing windings and for inspecting new windings before resin treatment. Including thermography enhances diagnostic capabilities, making it a valuable addition to the testing process.

Obteniendo lo Máximo de la Prueba de Equilibrio de Fases

  • December 2024
  • Number of views: 1695
Article

La prueba de equilibrio de fases es un método simple y efectivo para diagnosticar algunos problemas en los devanados existentes y para inspeccionar devanados nuevos antes del tratamiento final. Incluir termografía mejora el diagnóstico, lo que es una adición valiosa para el proceso de prueba.

Submersible Pump Stator Oil Guidelines

  • November 2024
  • Number of views: 1827
Article

In addition to seal oil, some submersibles have an oil filled stator cavity. The oil in the stator cavity very efficiently transfers heat from the stator winding and core, and especially from the rotor, to the pump casing where convection carries it to the pumpage in which the pump is submerged. While the specifications for seal oil are fairly flexible, stator cavity oil has more constraints.

Enhancing Efficiency in an Electric Motor Workshop: An Unconventional Approach

The Power of Data: Using Step Counters to Optimize Layout

  • November 2024
  • Number of views: 1443
Article

Have you ever thought about using a step counter on your employees in a test setting? This idea can provide valuable data to help you understand how much movement your workers must perform daily due to the current workshop layout. By analyzing this data, you can identify inefficiencies in the layout that may not be immediately obvious.