| 摘要 |
The invention relates to a method for producing a cooled ring carrier ( 1 ) for an aluminium piston pertaining to an internal combustion engine and produced according to a casting method, comprising a cooling channel ( 6 ) which is embodied on the rear ( 3 ) of the ring carrier as a downwardly open turned groove ( 4 ) According to the invention, salt granules are pressed into the turned groove ( 4 ) at a pressure of between 100 and 300 N/mm<SUP>2</SUP>, in such a way that a salt core ( 5 ) is formed in the turned groove ( 4 ) The composite consisting of the ring carrier and the salt core is then immersed in an alfin bath. |
