Optimization of wrinkling problem of side sizing on upper section of automobile luggage outer plate
The lapping place of lower part of the upper section of the automobile luggage outer plate and the perfoliate light was wrinkled when side sizing.The traditional stamping process ad-opted five processes to form it,new process used four processes to complete.The problem place was side trimming completely in the second process.The first side sizing used the step that pre-vented the smooth flow of materials to avoid wrinkling during the first side sizing.The forming quality of the final part was guaranteed by adding wrinkle-absorbing molding and eliminating in-dent during the second side flanging.
万方数据
维普
