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Axial Thrust in Rotodynamic (Centrifugal) Pumps

  • February 2024
  • Number of views: 1817
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

When repairing centrifugal and axial flow pumps, axial thrust is a concern. An understanding of the causes and the mitigating provisions of various pump designs will help repair technicians to ensure those provisions work properly.

Vertical Machines with Spherical Roller Thrust Bearings

  • January 2024
  • Number of views: 2409
  • Article rating: No rating
Article

One aspect of our repair industry that seems to cause a lot of confusion is the bearing arrangements of vertical motors. There is quite an assortment of thrust bearing arrangements, and we tend to try to apply the same method for adjusting end play to all of them. That is often a bad idea, so this article will take a closer look specifically at those fitted with a spherical roller thrust bearing and repair tips unique to these designs.

Máquinas verticales con rodamientos de empuje de rodillos esféricos

  • January 2024
  • Number of views: 1775
  • Article rating: No rating
Article

Un aspecto de nuestra industria de reparación que parece causar mucha confusión es la disposición de los rodamientos de los motores verticales. Existe una gran variedad de disposiciones de rodamientos de empuje y tendemos a intentar aplicar el mismo método para ajustar el juego axial en todos ellos. Por lo general, esta es una mala idea, por lo que este artículo analizará más de cerca específicamente aquellos motores equipados con un rodamiento de empuje de rodillos esféricos y ofrecerá consejos de reparación exclusivos para estos diseños.

Características y propiedades de prueba de grasas y aceites

  • June 2023
  • Number of views: 6534
  • Article rating: No rating
Article

En este artículo discutiremos algunas de las características y propiedades clave de los aceites y grasas lubricantes.

Electric Motor Bearing Lubrication

  • April 2022
  • Number of views: 7901
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

This webinar recording reviews electric motor bearing grease and oil lubrication frequency and quantity, as well as procedures.

Fundamentos de Reparación Mecánica de Motores Eléctricos

  • March 2022
  • Number of views: 15685
  • Article rating: 4.0
Book

En toda reparación mecánica, la capacidad para desmontar, reparar y volver a montar el motor de forma apropiada sin dañar innecesariamente ninguna de sus piezas es fundamental.

Esta obra contiene muchas sugerencias sobre el manejo apropiado de las diferentes partes de un motor para minimizar los daños durante el proceso de reparación. Sin embargo, es imposible desarrollar un listado que las incluya todas.

En cambio, el principio básico de tomarse el tiempo para usar la herramienta adecuada y por lo general el procedimiento apropiado guiará a los técnicos por el camino correcto.

Fallos en los Rodamientos de Elementos Rodantes de un Motor

  • March 2022
  • Number of views: 5448
  • Article rating: No rating
Article
El propósito de este artículo es proporcionar suficientes fundamentos de rodamientos para que aquellos que son responsables de la aplicación, operación, mantenimiento y reparación de motores eléctricos puedan tomar las medidas necesarias para minimizar las fallas prematuras de los rodamientos y mejorar la posibilidad de que los rodamientos duren hasta el " "final de la vida útil", que normalmente se denomina vida útil del rodamiento L10.

Motor Rolling Element Bearing Failures

  • March 2022
  • Number of views: 5930
  • Article rating: No rating
Article

The purpose of this article is to provide enough rolling element bearing fundamentals so those who are responsible for the application, operation, maintenance and repair of electric motors can take the necessary steps to minimize premature bearing failures and enhance the possibility of bearings lasting until the "end of life" predictions, which is normally referred to as L10 bearing life.

Mechanical Reference Handbook

  • June 2021
  • Number of views: 6140
  • Article rating: 5.0
Handbook

This 94-page handbook (3.5" x 6", 9cm x 15cm) contains carefully selected materials designed to assist repair firms in their everyday work. Just as important, your customers and potential customers can use this pocket handbook as a handy reference for mechanical data for motors and driven equipment.

Sleeve Bearing to Ball / Roller Bearing Conversion Procedures and Cautions

  • December 2020
  • Number of views: 12619
  • Article rating: 5.0
Article

There are times when an application calls for a motor to carry a radial load for which sleeve bearings are not suitable. In cases such as low rpm, unusual frames, etc., it may be desirable to convert a customer's existing sleeve bearing motor rather than obtaining a ball/roller replacement motor. This article contains suggested procedures as well as cautions about potential problems with such conversions.

Getting The Most From Your Electric Motors

Getting The Most From Your Electric Motors - coverThis 40-page booklet provides great advice for obtaining the longest, most efficient and cost-effective operation from general and definite purpose electric motors.

This booklet covers topics such as:

  • Installation, startup and baseline information
  • Operational monitoring and maintenance
  • Motor and baseline installation data
  • How to read a motor nameplate
  • Motor storage recommendations

LEARN MORE AND DOWNLOAD MÁS INFORMACIÓN Y DESCARGAR BUY PRINTED COPIES

READ MORE ABOUT THE FEATURES AND BENEFITS

EASA/AEMT Rewind Study

EASA Rewind Study cover

The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors
Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.

DOWNLOAD THE FULL RESULTS

ANSI/EASA AR100-2020

ANSI/EASA AR100-2015 cover

Recommended Practice for the Repair of Rotating Electrical Apparatus
This is a must-have guide to the repair of rotating electrical machines. Its purpose is to establish recommended practices in each step of the rotating electrical apparatus rewinding and rebuilding processes.

DOWNLOAD - ENGLISH

DESCARGAR - ESPAÑOL

EASA Technical Manual

EASA Technical Manual cover

Revised September 2022
The EASA Technical Manual is the association's definitive and most complete publication. It's available FREE to members in an online format. Members can also download PDFs of the entire manual or individual sections.

VIEW & DOWNLOAD