FIELD: motor vehicle industry.
SUBSTANCE: group of inventions relates to a method of making an internal car structural element comprising limited reinforced sections. Said method comprises steps of providing workpiece (20) of inner upper front post, workpiece (24) of inner central post and workpiece of inner side member, further, hot topping of workpiece (20) of inner upper front post, workpiece (24) of inner central post and workpiece of inner side member. According to the invention, the method comprises, before the hot-forming steps, steps of fastening workpiece (22), reinforcing the inner upper front post, to part of workpiece (20) of inner upper front post, wherein said workpiece (22), reinforcing inner upper front post, is hot-stamped together with workpiece (20) of inner upper front post, fixing workpiece (26) reinforcing the inner central post to part of workpiece (24) of the inner central post, wherein said workpiece (26) reinforcing the inner central post is hot-stamped together with workpiece (24) of the inner central post.
EFFECT: improved safety.
12 cl, 3 dwg
Authors
Dates
2020-04-29—Published
2016-12-08—Filed