基于3D打印的机器人夹笔末端执行器设计及静力校核
摘要
该结构以法兰连接板为安装基础,夹持端采用V形定位槽、弧形压紧面和橡胶防滑层组合定位,通过M5螺钉调节
压紧量。依据书写反力、摩擦系数和安全系数估算总夹紧力,并结合有限元云图对螺钉孔、法兰过渡区和夹持臂
进行静力校核。结果表明,在10 N书写反力和60 N总夹紧力作用下,结构最大等效应力约11.78 MPa,最大位移
约0.168 mm,危险位置主要集中在螺钉孔边缘及法兰过渡处,整体强度和刚度满足低速书写要求。该方案加工简
单、成本较低,可为轻载机器人末端工具设计提供参考。
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