Method for calculating the intermesh of straightener and its influence on straightening quality 板带矫直机压下量的计算方法及其对矫直质量的影响
Influence of Manufacturing Errors on Tooth Row Intermesh of Three Cone Bits 制造误差对三牙轮钻头齿圈啮合的影响
Research on the Relation of Tension to Steel Strip Thickness, Character and Intermesh in 3-Rolls Tension Unit 三辊张力单元张力与带钢厚度、材质及压下量关系的研究
Intermesh Model of Hot Roller Leveler for Plate Steel 中厚板热矫直机压下模型
There are many factors influencing the bit diameter and the tooth row intermesh due to the complicated shapes of the main parts of a three cone bit. 三牙轮钻头主要零件形状复杂,影响钻头直径及牙轮齿圈啮合误差的因素较多。
Analysis on Rolling Pressure Distribution of Strip with Different Reductions by Explicit Dynamic FEM The paper analyze the intermesh which affect plate deformation in hot leveling process used explicit dynamic FEM code ANSYS/ LS-DYNA. 用显式动力学有限元法分析压下率对板带轧制压力分布的影响采用显式动力学有限元软件ANSYS/LS-DYNA分析了中厚板在热矫直时,不同压弯量对轧件矫直变形的影响。
The FEM analysis for the effect of intermesh to plate leveling deformation 压弯量对轧件矫直变形影响的有限元分析
To obtain better leveling effect, it is necessary to set the higher plastic deformation ratio about 80% and use the appropriate exit intermesh that minimizes the residual curvature. ( 3) The Three-Dimensional analytic method of residual stress for plate leveling process was built. 为了保证矫直质量,应取较高的塑性变形率(80%左右),同时匹配合适的出口压下量使得残余曲率最小化。(3)提出中厚板矫直过程残余应力的3维分析方法。
The multiple target optimization function of intermesh allocation was also given. Based on control strategy of model, the variable metric algorithm of BFGS was adopted to calculate the optimum leveling process. 建立压下量分配的多目标优化函数,基于模型的控制策略,提出了采用变尺度BFGS优化算法对矫直工艺进行优化计算的新方法。
The simulation analysis result shows that the intermesh sued the paper theoretical formula can better meet the plate flattening precision requirement. At the same time, the prototype flattening experiments also indicates that the design program and intermesh calculation methods in the paper are feasible. 仿真分析结果表明,应用本文计算公式确定的压弯量值可较好地满足板材矫平精度要求,样机矫平试验同时也表明本文设计方案和压弯量计算方法是可行的。