A method for producing a large or the case of medium size the wheel disk and the product produced thereby

摘要

A method for producing a large or medium-sized wheel disk, including the use of a ram or of a die in a first step for ironing of a blank 4 of a flat plate in a product 11 a first stage. The product 11 of the first stage has a cylindrical raised section 11a with a thickness in the axial direction is not constant. The raised section 11a has a thick portion 11c, which is on a front portion of the elevation section 11a is located and a in the reduced thickness section 11d, the a remaining section of the elevation section 11a with the exception of the thick section 11c is. During the first step, only a portion of the blank 4, the section of reduced thickness corresponds to 11d, abstr eckge of economics.