Chu Macer As
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Transcript of Chu Macer As
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CHUMACERAS
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Babbitt (metal)El metal Babbitt o metal de cojinete, es una de las distintas aleaciones utilizadas para la superficie de apoyo en un cojinete de fricción .El metal Babbitt se caracteriza por su resistencia a la corrosión por frotamiento. El metal Babbitt es blando y se daña fácilmente. Sin embargo, su estructura está hecha de pequeños cristales duros dispersados en un metal más blando, lo que hace que sea un compuesto de matriz metálica. Cuando el estaño se utiliza como el metal más suave, la fricción hace que este se funda y funcionar como un lubricante, que protege el cojinete contra el desgaste cuando otros lubricantes están ausentes.
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Los motores de combustión interna utilizan el metal Babbitt principalmente a base de estaño ya que puede soportar una carga cíclica. A base de plomo tiende a endurecerse y desarrollar grietas al trabajar, pero es adecuado para ser mecanizado con herramientas tales como tornos o sierras.
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LUBRICANTES
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TIPOS DE LUBRICANTES
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Mayor costo
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ENGRANAJES
HISTORIA
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