Method for manufacturing a bumper assembly of a motor vehicle

摘要

#CMT# #/CMT# The method involves making availability of a plate from heat-treatable steel with different wall thicknesses and material characteristics. The plate is shaped to a bumper arrangement (1). The middle section (4) is annealed during shaping the plate. The plate is welded to a tailored welded blank. The steel plate is shaped in such a way that the wall thicknesses and material characteristics at the middle section deviates from the wall thicknesses and material characteristics at the connection section (3). #CMT#USE : #/CMT# Method for manufacturing a bumper arrangement of a motor vehicle by shaping a plate to a bumper crossbeam which is molded in U-shape transversely #CMT#ADVANTAGE : #/CMT# The plate is welded to a tailored welded blank and the steel plate is shaped in such a way that the wall thicknesses and material characteristics at the middle section deviates from the wall thicknesses and material characteristics at the connection section, and hence provides a bumper arrangement without costly welded joints, which reduces the damage and amount of loss for a motor vehicle. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a perspective view of a bumper arrangement from a heat treated plate. 1 : Bumper arrangement 2 : Bumper crossbeam 3 : Connection section 4 : Middle section 5 : Opening.