Based on the condition of preset roiling regulations of H-beam,the distribution of displacement filed was simulated for the deformation of H-Beam's head in initial stage and the bite stage during biting process.
为了提高万能法轧制H型钢的成材率,利用非线性有限元的方法建立了H型钢咬入过程的动态有限元分析模型。
Analysis of biting condition in radial-axial ring rolling;
环件径轴向轧制的咬入条件分析
With the dynamic explicit elastic plastic finite element method,the unsteady deformation of the bite stage in slab rolling was simulated.
采用显式动力学弹塑性有限元方法 ,对平板轧制过程中咬入阶段的非稳定变形进行了数值模拟。
Based on rolling characters of longitudinal profiled(LP) plate,nip angle and biting condition are analyzed for LP plate rolling according to force condition.
基于纵向变截面轧制的特点,根据轧件受力分析了LP钢板轧制过程的咬入角和咬入条件。
The differential bite method which demands the starting time of bottom drive be earlier than the top drive's is introduced.
在分析中厚板轧制中板坯头部弯曲原因的基础上 ,介绍韶关钢铁集团公司二轧厂在板头弯曲控制中采用下辊电机启动时间早于上辊启动时间的“差动咬入法”。