Journal
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
Volume 69, Issue 1-4, Pages 1-13Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s00170-013-4997-7
Keywords
Ring rolling; FEM; Blank size; Feed velocity; Experimental study
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Double-groove ring rolling (DGRR) is a type of abnormal section-rolling process capable of diameter increasing and profile forming at the same time. This brings difficulties in analyzing the behavior of the rolling process thoroughly due to many influence factors. In this paper, the process parameters, including outer radii growth principle, controlling mode of guide roller, design method for ring blank dimension, and reasonable range of feed velocity, are studied theoretically. Then, a 3D elastic-plastic finite element model is developed using the dynamic explicit code ABAQUS/Explicit, based on the theoretical results, and the optimum blank size and feed velocity are determined. Finally, experiments are carried out that show a good agreement with the simulation results. Thus, the feasibility of the proposed method has been demonstrated. The research results provide valuable guidelines for the selection of blank design and velocity in the actual DGRR production.
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