CAJ | 학술논문

单轴柔性滚弯是一种新型的型材滚弯技术.介绍了单轴柔性滚弯的工作原理,建立了U型材单轴柔性滚弯三维有限元模型,成功模拟了U型材成形与回弹过程,仿真结果与实验结果基本吻合,表明有限元仿真可以代替部分复杂实验;利用仿真结果详细分析了型材滚弯回弹半径的影响因素,给出了滚轮压入量、滚轮直径,橡胶硬度、型材尺寸和型材材料与回弹半径的关系,对实际滚弯工艺参数的选取具有指导意义.
단축유성곤만시일충신형적형재곤만기술.개소료단축유성곤만적공작원리,건립료U형재단축유성곤만삼유유한원모형,성공모의료U형재성형여회탄과정,방진결과여실험결과기본문합,표명유한원방진가이대체부분복잡실험;이용방진결과상세분석료형재곤만회탄반경적영향인소,급출료곤륜압입량、곤륜직경,상효경도、형재척촌화형재재료여회탄반경적관계,대실제곤만공예삼수적선취구유지도의의.
One-axle rotary shaping with elastic pad (RSEP) is a novel forming process of section.The principle of one-axle RSEP is described and the three-dimensional finite element method (FEM) model of the U-section one-axle bending is built.The model is used to simulate the whole process of U-section forming and the resilience.The FEA result is compared with that of the practical experiment.The re-sult proves that the FEA can replace part of the complex experiments.The parameters influencing the U-section resilience radius and the issue of sectional deformation are analyzed based on the FEA.The relationship between resilience radius and the parameters,such as roller stroke,roller diameter,polyurethane hardness,section dimension,and section material is given,thus it provides a reasonable basis for determining manufacture process parameters.