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Characteristics and Test Properties of Greases and Oils

  • June 2023
  • Number of views: 2724
  • Article rating: No rating
Article

This article describes some of the key characteristics and properties of lubricating greases and oils.

Características y propiedades de prueba de grasas y aceites

  • June 2023
  • Number of views: 6293
  • 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: 7435
  • 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.

Fallos en los Rodamientos de Elementos Rodantes de un Motor

  • March 2022
  • Number of views: 5111
  • 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: 5532
  • 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: 4719
  • Article rating: No rating
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.

Angular Contact Bearings: Types, Classifications and Applications

  • March 2021
  • Number of views: 9126
  • Article rating: No rating
FREE for Members of EASA
Webinar recording

Angular contact bearings are less common than the standard radial ball bearings. Therefore, it is easy to miss important characteristics that impact performance.

Vertical Motor Operation and Repair

  • June 2020
  • Number of views: 16728
  • Article rating: 5.0
FREE for Members of EASA
Convention presentation

Vertical motors differ from horizontal motors in numerous ways, yet some view them as “just a horizontal motor turned on end.” The obvious differences are the (usually) thrust bearings, with arrangements varying from single- to three-thrust bearings with different orientations suited for specific load, rpm and applications. Less obvious differences are in the ventilation arrangements, shaft stiffness, degrees of protection and runout tolerances. This recording will cover those topics.

Cantidad y frecuencia de lubricación de los rodamientos de motores eléctricos

  • January 2019
  • Number of views: 11532
  • Article rating: 5.0
Article

Las consideraciones para la cantidad y la frecuencia de lubricación de los rodamientos de motores eléctricos ( y generadores) incluyen lo siguiente:

  • ¿El lubricante es aceite o grasa?
  • ¿El tipo de rodamiento es un cojinete de deslizamiento o un rodamiento de bolas o rodillos?
  • Si es un rodamiento de bolas ¿Tiene sellos, obturaciones o es abierto? En este artículo trataremos todo lo anterior dividiéndolo en las siguientes categorías:
  • Cantidad de grasa y frecuencia de lubricación para rodamientos de bolas y rodillos (rodamientos de elementos rodantes).
  • Frecuencia de lubricación y nivel de aceite (relacionado con la can- tidad) para rodamientos de bolas y rodillos.
  • Frecuencia de lubricación y nivel de aceite (relacionado con la cantidad) para cojinetes de deslizamiento.

Dado que la lubricación con grasa de cojinetes de deslizamiento es muy rara, este tema no se incluye en este artículo. Además, ya que los rodamientos sellados no se pueden relubricar, este tema tampoco está incluido.

Electric motor bearing lubrication frequency and quantity

  • January 2019
  • Number of views: 10741
  • Article rating: 5.0
Article

Considerations for lubrication frequency and quantity for electric motors (and generators) include the following:

  • Is the lubricant grease or oil?
  • Is the bearing type sleeve, ball or roller?
  • If it is a ball bearing, is the enclosure open, shielded or sealed?

This article addresses the above by breaking them down into the following categories:

  • Grease lubrication frequency and quantity for ball and roller (rolling element) bearings.
  • Oil lubrication frequency and level (relates to quantity) for ball and roller bearings.
  • Oil lubrication frequency and level (relates to quantity) for sleeve bearings.

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