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| Group FEM Model for Tube Shape Prediction of Multi-stand Stretch Reducing Process |
| ZANG Xin-Liang Hui YU DU Feng-shan |
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Abstract Aimed to the tube shape for multi-stand stretch reducing rolling unit of seamless tube, the stretch reducing process was divided into rolling deformation in the stand and remeshing among the stands. The group finite element model of tube shape prediction has been established to simulate this process by means of 3-D thermo-mechanical coupled finite element method on the platform of FEM software Marc. The simulated tube shape was analyzed according to the product rolling technical of a company. The reliability of the model was verified by comparing the actual measured data with the simulated results. The model provides the means for improving product quality and instructing technological design.
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Received: 16 March 2009
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2009, Vol. 44 
