铝导线连续高速拉伸成形的数值模拟
发布时间：2019-05-14 08:57
【摘要】：针对铝导线高速拉伸过程中铝导线性能不均及表面质量较差的问题,以某电缆厂配模参数为基础,利用deform3d计算机仿真模拟软件,研究了该配模条件下拉伸速度、润滑对铝导线连续拉伸过程中线材温度和应力-应变分布的影响;以及成品模工作锥角对成品线材变形区应力-应变的影响。结果表明:线材温度随着拉伸道次的增加,成品导线变形温、应力和应变增大,成品导线变形温度、等效应力和等效应变分别达到180℃、130.4 MPa和6.781以上;其中摩擦比拉伸速度对导线温度影响更大。通过合理的成品模具结构设计,可有效提高导线变形的均匀性。
[Abstract]:In order to solve the problem of uneven performance and poor surface quality of aluminum conductor in the process of high speed tension of aluminum conductor, based on the die matching parameters of a cable factory, the drawing speed under the condition of die matching is studied by using deform3d computer simulation software. Effect of lubrication on wire temperature and stress-strain distribution during continuous tension of aluminum conductor; And the effect of working cone angle of finished die on stress-strain in deformation zone of finished wire rod. The results show that with the increase of tensile pass, the deformation temperature, stress and strain of the finished wire increase, and the deformation temperature, equivalent stress and equivalent effect of the finished wire reach more than 130.4 MPa and 6.781, respectively. The friction rate has more influence on the conductor temperature than the tensile speed. Through reasonable die structure design, the uniformity of wire deformation can be effectively improved.
【作者单位】： 沈阳大学机械工程学院;沈阳大学信息工程学院;
【基金】：国家自然科学基金(51174139) 2012沈阳市人才资源开发专项资金
【分类号】：TG306
本文编号：2476580
[Abstract]:In order to solve the problem of uneven performance and poor surface quality of aluminum conductor in the process of high speed tension of aluminum conductor, based on the die matching parameters of a cable factory, the drawing speed under the condition of die matching is studied by using deform3d computer simulation software. Effect of lubrication on wire temperature and stress-strain distribution during continuous tension of aluminum conductor; And the effect of working cone angle of finished die on stress-strain in deformation zone of finished wire rod. The results show that with the increase of tensile pass, the deformation temperature, stress and strain of the finished wire increase, and the deformation temperature, equivalent stress and equivalent effect of the finished wire reach more than 130.4 MPa and 6.781, respectively. The friction rate has more influence on the conductor temperature than the tensile speed. Through reasonable die structure design, the uniformity of wire deformation can be effectively improved.
【作者单位】： 沈阳大学机械工程学院;沈阳大学信息工程学院;
【基金】：国家自然科学基金(51174139) 2012沈阳市人才资源开发专项资金
【分类号】：TG306
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