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Gravity loading phase of a deep drawing manufacturing simulation including effects of sheet metal blank in contact with guide pins
Gravity loading phase of a deep drawing manufacturing simulation including effects of sheet metal blank in contact with guide pins
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机译:深冲压制造模拟的重力加载阶段,包括钣金毛坯与导销接触的影响
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摘要
Methods used in gravity loading phase of a deep drawing manufacturing simulation including effects of sheet metal blank in contact with guide pins are disclosed. Computerized models of sheet metal blank and guide pins are created. A subset of the nodes in the first computerized model is defined as parent nodes. First and second characteristic lengths are then determined. One or more child nodes are created between each pair of the parent nodes using a formula based on the ratio between the first and second characteristic lengths. Deformed configuration of the sheet metal blank is obtained under its own weight subject to the lateral constraints by conducting computer simulation of gravity loading phase, lateral constraints are created and added to at the child node's parents, when a contact between a child node and a particular finite element representing portion of outer surface of one of the guide pins is detected.
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