Construction method of springback compensation grid models
A grid model and springback compensation technology, applied in the field of springback overcoming, can solve problems such as large errors and inapplicability to 3D parts, and achieve the effects of cost saving, accurate construction, and accurate compensation
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[0022] The following description will combine the schematic diagram of the mesh model to explain the precise construction method of the springback compensation mesh model. More specifically, the compensation process of one node will be used as an example. The compensation process of other nodes is similar to that of this node. The same, so as to realize the accurate construction of the springback compensation mesh model.
[0023] In the actual process, a suitable stamping process model is constructed according to the three-dimensional shape of the part, and the finite element is used for simulation calculation to obtain the mesh model before and after springback. In the obtained mesh model, the unit mesh used can be a triangular mesh or a quadrilateral mesh and other mesh shapes, and in the springback simulation calculation, in order to ensure that the front and rear nodes correspond to each other, the coarse mesh cannot be used. 化算。 Calculation. Since the unit grid in the grid m...
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