主权项 |
1. A method for producing a gun barrel by cold forging a cylindrical blank having an axial passage opening, comprising the steps:
introducing a forging mandrel into the axial passage opening of the cylindrical blank; cold forging the gun barrel by means of a gun barrel forging machine, which has a plurality of forging hammers, which are distributed around the circumference of the blank and act radially on the blank in the region of the inserted forging mandrel; and, during the cold forging, forging longitudinal grooves into the blank by means of said forging hammers, which have ribs that are parallel to the longitudinal axis of the blank for this purpose. |