宽厚板多点柔性压力矫直装置设计与反弯量计算  

Design of multi-point flexible pressure straightening device for wide and heavy plates and calculation of reverse bending amount

作　　者：孙登月 侯海涛 汝文弟 许石民 SUN Deng-yue;HOU Hai-tao;RU Wen-di;XU Shi-min(National Cold Rolled Strip Equipment and Process Engineering Technology Research Center,Yanshan University,Qinhuangdao 066004,Hebei,China)

机构地区：[1]燕山大学国家冷轧板带装备及工艺工程技术研究中心,河北秦皇岛066004

出　　处：《钢铁》2020年第6期113-117,共5页Iron and Steel

基　　金：河北省自然科学基金资助项目(E2016203182)。

摘　　要：宽厚板厂采用压头可移动式压平机,压下量基本上靠工人凭经验确定,矫直效率低。为了提高压平机的工作效率和矫直精度,提出多点柔性压力矫直方案并设计出一种宽厚板多点柔性压力矫直装置。运用弹塑性理论推导出压下量计算公式,基于有限元模拟的方法对反弯量计算公式进行修正,并试验验证了修正后矫直公式的正确性。为后续多点柔性压力矫直工艺的研究奠定理论基础。Wide and thick plate factories use movable head flattening presses,the reduction amount is basically determined by workers based on experience,and the straightening efficiency is low.In order to improve the working efficiency and straightening accuracy of the flattening machine,a multi-point flexible pressure straightening scheme and designs a multi-point flexible pressure straightening device for wide and thick plates was proposed.Using the elastoplastic theory,the calculation formula of the reduction is derived.Based on the finite element simulation method,the formula for calculating the amount of reverse bending was modified,and the correctness of the corrected straightening formula was verified by experiments.It lays a theoretical foundation for the subsequent research of multi-point flexible pressure straightening process.

关 键 词：宽厚板 压平机 多点反弯 反弯量 有限元模拟 

分 类 号：TG333.23[金属学及工艺—金属压力加工]