Webinar Recordings - EASA | The Electro•Mechanical Authority
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Webinar Recordings

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

  • May 2025
  • Number of views: 121
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: 329
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.

Consejos para rebobinar motores de alambre redondo de 2300 Voltios

  • May 2025
  • Number of views: 212
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.

Cleaning Commutator and Slip Ring Surfaces with a Brush

  • April 2025
  • Number of views: 893
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.

Limpiando las superficies de los colectores y anillos rozantes con escobillas

  • April 2025
  • Number of views: 327
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.

Smells Like Money to Me

Sewage and wastewater treatment pumps can be profitable

  • March 2025
  • Number of views: 857
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: 1144
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.

Lubricating an Open Ball Bearing During Assembly of an Induction Motor

  • January 2025
  • Number of views: 3848
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: 2121
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: 3253
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.