Patent ID: 7574887

Claim:
A method of operating a forming machine having a shearing device comprising the steps of providing a forming machine having a shearing device for shearing a bar, providing the shearing device with a fixed blade, providing the fixed blade with a passage for feeding through the bar to be sheared, providing the shearing device with a shearing part which can be moved forward and backward parallel to the fixed blade and has a first shearing blade, with which a bar section projecting from the fixed blade can be sheared in a forward movement of the shearing part, and a second shearing blade, with which a bar section projecting from the fixed blade can be sheared in a backward movement of the shearing part, providing the shearing device with a disposal point, shearing bar sections having a desired length (L) by the first shearing blade in a forward movement of the shearing part, shearing bar sections having less than a desired length (L) by the second shearing blade in a backward movement of the shearing part and transporting as scrap pieces all of the bar sections sheared by the second shearing blade to the disposal point and not subsequently processing the scrap pieces in a forming station, and processing the sheared bar sections having the desired length (L) in at least one forming station of the forming machine after the shearing.