Abstract
With the rapid development of finite element technique and computer technology, the design of the cold punching mould CAD / CAM with CAE analysis is changing the way that traditional craft manufacture mold, especially the development and application of stamping simulation software, make the stamping die design and processing and quantitative, can advance analysis of stamping process program, finally got the ideal pressing parameter, realize the automation of design, save resources and reduce the dependence on experience and reduce the demand for skilled workers. Based on nonlinear dynamic finite element software ANSYS / ls-dyna continuous function, simulation of sheet metal forming process and unloading plate deformation, forming process, at any time throughout the von mises stress nephogram should rebound results and strain value and unloading plate materials, help us better analysis to understand the changes of the internal material sheet metal stamping process.
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