矫直辊曲率作为二辊矫直机辊型设计的核心参数，对矫直机矫直质量起着决定性作用。为了提高矫直精度，应用弹塑性理论深入分析了二辊矫直机制，在考虑金属强化的情况下建立了圆材弹塑性弯曲模型，对矫直辊曲率进行了设计，并且给出了曲率过渡段，设计出了适合矫直[?]100～[?]150 mm圆材的二辊矫直辊辊型。利用有限元软件Marc建立三维有限元模型，对矫直过程进行模拟仿真，分析了圆材的矫直效果，为实际生产提供了理论支持。
Abstract
The straightening curvature as the main straightening parameter in the design of the roller shape of two-roller straightener， decides the quality of straightening. So as to improve straightening precision， the mechanism of two-roller straightener was analysed deeply based on the elastic-plastic theory， which was developed considering the strengthening of material for the bar. After choosing the curvature based on theory of straightening， the shape of straightening roller suiting for φ100～φ150mm bars was designed by increasing the transition section. Then the finite element model of two-roller straightener was established based on the finite element software—Marc， straightening quality was analysed about the working process of two-roller straightener after the simulation， providing theoretical basis for the actual production.
关键词
二辊矫直机 /
大直径圆材 /
辊型 /
有限元
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中图分类号：
TG333.3
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参考文献
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脚注
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基金
河北省科技支撑计划项目
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