机器人手臂材料的弯曲极限测试Bending limit test of robot arm material
夏春荣;
摘要(Abstract)：
用两种材料制备Smooth-on Ecoflex00-30超弹体,测试其力学性能;通过Recur Dyn构建仿生机械臂有限元模型,进行弯曲性能测试。结果表明:两种材料配比为1∶1时,断裂强度和伸长率最大;随固化温度升高,样品抗拉强度、伸长率、硬度及弹性模量先增后降;相同拉伸距离,拉伸时间越长抗拉强度越小,拉伸频率越大,抗拉强度越大;随拉力增加,样品弯曲度增大,当拉力为2.75 N时,达到弯曲极限;线缆两侧受力忽略不计,表面分布力是影响样品弯曲的主要原因。
关键词(KeyWords)： 机器人手臂;弹性体材料;弯曲极限测试;有限元模型;平面弯曲;拉伸频率
基金项目(Foundation): 国家重点研发计划项目（2019YFB1312604）
作者(Authors): 夏春荣;
DOI: 10.14024/j.cnki.1004-244x.20210618.001
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