| 摘要 |
The invention relates to a method for producing a nozzle with an inner wall for guiding a flow of water through a screw propeller, wherein the inner wall has a profile on the one side and possibly also a second profile on the other side. According to the invention, the inner wall of the nozzle is formed from a hollow cylindrical body formed by rolling out plates with an approximate thickness of the inner wall in the radius to the inner wall and by welding the rolled plates to form the hollow cylindrical body and by subsequently spinning the one side of the hollow cylindrical body by means of plastic deformation or spinning to the first and/or the second profile. The invention also relates to a nozzle, wherein the inner wall is an axisymmetric or rotationally symmetric part with no more than one or several welds in the axial direction.
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