| Summary: | 碩士 === 國立臺灣大學 === 機械工程研究所 === 82 === In traditional sheet metal forming,design of die is based on
the experience of trial and error.Know-how is the only
foundation for A lot of die try-outs are needed before a set of
die is fully manufacturing from design stage.Besides the
modification of have to try some new forming methods by
changing the setup ofd for complicated die to decide the method
of modification by the products.The results of decision have a
direct influence on the cost of manufacturing. Recently,some
methods for analyzing the formability are applied and process
control.Among these methods,the finite element method Along
with the advance of the hardware,to solve complicateds by 3D
computer simulation is feasible and more mature.It plays
substituting the die try-out in stamping process,and achieves
the process optimization and saving time and cost.But it is
necessary with the real stamping process in order to obtain the
control computer simulation.So we can make sure that the
results are The research of this paper is to probe the
application of 3D element method on the analysis of autobody
stamping.The object of and comparing for computer simulation is
the industrial stamping study lays particular stress on
drawbead.By introducing the equivalent drawbead to resolve the
problems of computerresult of the shape of real drawbead.In
addition,there is a simpler binder wrap simulation.
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