摘要
研究中性层偏移对矫直力的影响,以提高矫直力精度.通过对矫直件三维弹塑性变形进行分析,提出中性层偏移理论,利用数值模拟和实验讨论中性层偏移的动态变化规律,说明中性层偏移是影响矫直力精度的重要因素之一,并验证了理论推导公式与数值计算结果之间的误差,为建立更为准确的矫直力模型提供理论基础和数据.
The neutral layer offset was discussed in order to improve the precision of straightening force .After analyzing the 3-D elastic-plastic deformation of straightening piece ,the neutral layer offset theory was presented .The dynamic change rule of neutral layer offset was obtained by nu-merical simulation and experiment which illustrated that neutral layer offset was an important factor to influence the straightening precise and provided the theory base and data to establish more precise straightening force model .
出处
《工程设计学报》
CSCD
北大核心
2014年第5期444-448,493,共6页
Chinese Journal of Engineering Design
基金
国家青年基金资助项目(51104104)
国家重点基础研究发展计划(973计划)资助项目(2012CB722801)
山西省基础研究项目(2012021019-3)
山西省高等学校青年学术带头人项目(TYAL
20131086)
教育部博士点基金项目(20111103)
太原科技大学博士启动基金项目(20102018)
关键词
矫直
三维弹塑性变形
中性层偏移
矫直力
straightening
3-D elastic-plastic deformation
neutral layer offset
straightening force
