Numerical simulation of multi-pass roll forming of channel section with outer edge;
外卷边槽钢多道次辊弯成型数值模拟
Study on dynamic simulation of roll forming of ERW pipes;
ERW焊管辊弯成型过程的动态仿真研究
Simulation the Roll Forming Process of AHSS;
先进高强度钢辊弯成型有限元仿真研究
Whole process simulation of roll forming using dynamic explicit finite element method;
动力显式有限元法辊弯成形全流程仿真技术研究
Research on CAD/CAE Integrated Modeling method of ERW roll forming;
ERW辊弯成形过程CAD/CAE集成建模方法研究
Considering the long forming distance of roll forming,the roll forming of a “U” channel part was simulated with the dynamic explicit finite element method.
采用动力显式弹塑性有限元方法对U型钢辊弯成形过程进行仿真,分析了成形过程中应力、应变的分布演化特性,获得了弯曲角增量、机架间距对辊弯成形过程的影响规律,计算结果与实验结果有较好的一致性。
Effects of anisotropic yield criteria on the spring-back s FEM simulating of stainless stell sheet s cold-roll forming process;
各向异性屈服准则对不锈钢板冷弯成型回弹模拟的影响
Inorder to reduce periodicity of cold-roll forming processs and improve the quality of products and me- chanical property the explicit dynamic finite element method with the software of ANSYS/LS-DYNA to simulate the cold-roll forming processs of channel stell,is studied including deforme,stresses and stains in the forming process.
采用ANSYS里的LS -DYNA模块对槽钢辊式加工工艺进行显示动力学有限元法模拟,分析成型中轧件的变型特点及应力应变分布,为冷弯成型CAD\CAE技术提供有力的实验数据和理论支持,最终应用于实际生产。
The basic principles and arithmetic of FEM numerical simulation of cold roll forming process are reviewed in this paper,the large structural analysis program ANSYS/LS-DYNA is used to simulate cold-roll forming progress,analyze the simulating results,and gain the theory and technology which are useful to directing real manufacturing.
概述了冷弯成型过程有限元数值模拟的基本原理和基本算法,利用ANSYS/LS-DYNA分析软件对冷弯过程进行有限元数值模拟,并对模拟结果进行受力和应变分析以验证其可行性和正确性,为冷弯成型的工程设计提供了科学依据,从而降低设计风险。
Applying MSC/Superform commercial software, dishing process of railway wheel with elastic-plastic thermo-mechanical coupled FEM was simulated,the way metal flows in dishing process was studied.
借助商业有限元软件MSC/Superform,数值模拟了车轮压弯成形过程。
Simulation of stretch bending forming process of stainless section steel;
不锈钢型材拉弯成形工艺模拟研究
A kind of rectangular hollow I-beam made of two M-type steels,which were rolled by cold bend forming machine with plate or strip under the condition of room temperature and were welded together,was Introduced.
介绍了一种矩形空心工字钢,该空心工字钢由板(或带卷)经冷弯成型机组在室温下冷弯成型成两块近似M形型钢后再焊接在一起而制造,与热轧H型钢相比较,在单重相同的情况下,WXG可提高5 56%-45 96%,WYG可提高51 01%-105 46%;在截面系数相同的情况下,可节约材料1 1%-18 42%。
According to the mechanism of equivalent function between imposed on the slab by the force of shaping roll and needed to get the desired shape in this step,a theoretical expression for calculating cold bend forming force is presented on the basis of previous work.
在研究冷弯变形过渡区基础上，按照成型过程中成型辊施加于坯料上的力所做的功与坯料在该道次中实现规定的几何形状产生变形所消耗的功相等的原理，建立了计算冷弯成型力的理论表达式。
In this paper, the theoretical approaches on simulation of cold roll forming are classified into four types: simplified analytic method & kinematics method, energy method, finite strip method, and finite element method.
辊式冷弯成形是一项具有显著经济效益和社会效益的板加工工艺 ,它又是一个涉及诸多因素的复杂的工艺过程 ,对其进行计算机仿真研究是十分必要的 。
The arch cold forming is a new technique in the filed of cold forming.
以彩色薄板为原料 ,用冷弯成型法生产拱型建筑型材 (简称冷弯成拱 )是冷弯型钢生产领域的新技术、新发展。