Taking the rear floor of a car as the research object,the double splicing process was pro-posed according to its structure,and the finite element analysis of the double splicing process was carried out with the help of AutoForm software,the analysis results showed that the formability,thinning rate,wrinkling and other evaluation indexes of the rear floor met the judgment criteria.The design and manufacture of the stamping die of rear floor based on the double splicing process scheme were verified by the die trial,and two qualified parts were obtained at once.The blue light scanning equipment was used to scan the parts with whole profiles,and the size deviation of the two parts was within±0.3 mm,which met the quality requirements of mass production.It showed that the double splicing process of the rear floor could effectively improve the material utilization rate and the production efficiency of stamping.
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