Piston and method of manufacture

   
   

A piston particularly adapted for heavy-duty diesel engine applications is fabricated from separate parts having circumferentially extending joining surfaces that are heated prior to bonding to an elevated temperature sufficient to enable bonding of the joining surfaces, and thereafter the joining surfaces brought into contact with one another and twisted to attain a permanent metallurgical weld at the interface of the joining surfaces.

Um pistão adaptado particularmente para aplicações resistentes do motor diesel é fabricado das peças separadas que têm as superfícies juntando circunferencial estendendo que são aquecidas antes de se ligar a uma temperatura elevated suficiente permitir a ligação das superfícies juntando, e depois disso as superfícies juntando trazidas no contato com um outro e torcidas para alcançar uma solda metalúrgica permanente na relação das superfícies juntando.

 
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