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Modeling of Stress Distribution During Strip Coiling Process 被引量:7
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作者 WANG Yong-qin, LI Li, YAN Xing-chun, LUO Yuan-xin, WU Liang (The State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400030, China) 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2012年第8期6-11,共6页
Many strip materials are coiled after rolling process. The stresses are imposed on the material wound on the automatically controlled collapse mandrel under the coiling tension. The coiling process can be described by... Many strip materials are coiled after rolling process. The stresses are imposed on the material wound on the automatically controlled collapse mandrel under the coiling tension. The coiling process can be described by three typical cases: winding without automatic adjustment, winding with automatic adjustment and after mandrel removal. A new model of equations for predicting the stresses during the strip coiling process is built by consideration of the three cases respectively. By solving the equations of different typical cases, the radial stresses and tangential stress of the layers of coil can be calculated. Also, the coiling parameters, such as strip thickness, coiling tension and necking critical pressure, affecting the coil performance are investigated. It is believed that the present model can be used for design and control of the automatically controlled collapse mandrel. 展开更多
关键词 automatically controlled collapse mandrel coiling process critical pressure radial stress tangential stress
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