Mold profile design method for large component accurate hot forming with assistance of compute
A computer-aided, mold surface technology, applied in the field of sheet metal and composite material thermoforming, can solve the problems of consuming precious time of mold designers, affecting work efficiency, and repeating the number of iterations, saving valuable time and reducing iterations The number of times, the effect of improving the solution efficiency
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[0029] The following describes the embodiments of the present invention in detail with reference to the accompanying drawings, but the present invention can be implemented in a variety of different ways defined and covered by the claims.
[0030] See image 3 The computer-aided method of designing the mold surface for precise thermoforming of large components includes the following steps:
[0031] 1) To construct the target profile S 0 Is the original mold surface B 0 (That is, the design value of the mold surface), the two concave and convex match, and according to B 0 Design the corresponding three-dimensional mold model, in the finite element software, the profile is B 0 The mold is cooled from high temperature to room temperature, and the mold after cooling is obtained, and the mold surface B of the mold after cooling is extracted 1 (That is, the mold profile at room temperature), wherein the high temperature value is equal to the temperature value of the corresponding hot formi...
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