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Journal of KWJS 2007;25(2):70-75.
Published online May 17, 2007.
산소-프로판 가스 곡가공 공정에서 강판의 변형예측을 위한 계산식 개발
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Development of Simplified Formulas to Predict Deformations in Plate Bending Process with Oxy-Propane Gas Flame
Kang-Yul Bae, Young-Soo Yang, Chung-Min Hyun, Si-Hun Cho
Abstract
  Simplified mathematical formulas are presented to predict deformations during the plate forming process when the heating parameters are given. To obtain the formulas, firstly, the thermal analysis for steel plate is performed, and the thermo-mechanical analysis is followed with actual heating conditions. The analyses have been carried out by the commercial software MARC, which is programmed based on the FEM. Secondary, the results of the mechanical analysis are synthesized with their variables for a statistical approach, which results in simplified formulas. The results of the analysis are well compared with those of experimental measurements.
Key Words: Simplified formula, Prediction, Angular deformation, Lateral deformation, Line heating, FEM, Thermal analysis, Thermo-Mechanical analysis, Statistics


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