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Tyler Voss Membership & Communications Specialist+1 314 993 2220tvoss@easa.com
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This article describes some of the key characteristics and properties of lubricating greases and oils.
En este artículo discutiremos algunas de las características y propiedades clave de los aceites y grasas lubricantes.
This webinar recording reviews electric motor bearing grease and oil lubrication frequency and quantity, as well as procedures.
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.
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.
My first exposure to synthetic lubricants for rolling element bearings was during repair of high-speed, automotive engine-test dynamometers. For several years, our service center had repaired similar machines with rolling element bearings, but they were all oil lubricated by pump systems with specially-selected fittings near the bearings to deliver only small amounts of oil per minute.
We began to see rolling-element-bearing machines in for repair that were grease lubricated, and these displayed a specific make and type of lubricant on the nameplate. We purchased what was specified on the nameplate and all was well. Over time, we began to see more machines specifying the same make of grease, but a different grade or type. This led me to begin looking into the differences in the products.
Mi primera experiencia con lubricantes sintéticos para rodamientos con elementos rodantes fue durante la reparación de dinamómetros para probar motores de automóviles de alta velocidad. Durante varios años nuestro centro de servicio había reparado máquinas similares con rodamientos con elementos rodantes, pero todas ellas estaban lubricadas con sistemas de bombeo de aceite con accesorios especiales cerca de los rodamientos para suministrar solo pequeñas cantidades de aceite por minuto.
Comenzamos a ver máquinas enviadas para reparación con rodamientos con elementos rodantes lubricadas con grasa y estas indicaban en la placa de datos una marca y tipo de lubricante específicos. Compramos lo que estaba especificado en la placa y todo salió bien. Con el tiempo, comenzamos a ver más máquinas que especificaban la misma marca de grasa, pero con un tipo o grado diferente y esto me condujo a comenzar a buscar las diferencias en los productos, ya que uno era muy costoso y tenía una vida útil limitada.
In oil-lubricated machines, leaks are a frequent and difficult-to-diagnose and correct condition. Due to design issues, there may even be a few machines where oil leaks are simply part of the landscape and not correctable without major modifications. Topics discussed in this article include:
En las máquinas lubricadas con aceite, las fugas son una condición frecuente y difícil de diagnosticar y de solucionar. Debido a problemas de diseño, incluso pueden existir unas pocas máquinas en las cuales las fugas de aceite simplemente forman parte del paisaje y no se pueden corregir sin realizar grandes modificaciones.
Los temas tratados incluyen :
Llenado excesivo de aceite Verificación/reemplazo de los visores de aceite Ventilación adecuada de los sellos de laberinto Verificación/reparación de los tubos de presión (stand-pipes) Sellado apropiado Verificación del estado de los depósitos de aceite Drenaje del aceite antes del transporte Formación de espuma en el aceite Comprobación de los niveles de vibración Verificación para ver si el motor está trabajando fuera de su centro magnético
This paper covers value-added repair and service opportunities that carry with them the added benefit of helping to optimize motor reliability.
This 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:
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The Effect of Repair/Rewinding on Premium Efficiency/IE3 Motors Tests prove Premium Efficiency/IE3 Motors can be rewound without degrading efficiency.
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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.
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Revised May 2024 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.
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