A method for producing a one-part cooling duct piston for an internal combustion engine, as well as a cooling duct piston produced by said method

摘要

A method for producing a one-part cooling duct piston (10) of a cast piston blank with a combustion chamber (20), wherein on the basis of the combustion chamber recess (20) radially in the direction of the outer side of the cooling channel piston (10) and a groove incorporated in the following for the formation of a hollow space as a cooling channel (16) is closed.