In this paper , the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software , structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype , such as transmission accuracy , least step , stability of the least step , load capacity is measured by the absolute rotary encoder . by analyzing the measurement data and research content , it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors , facilitate size precision adjustments , input moment can be achieved in the form of a pure force couple importing ; through this study , " the large ratio friction transmission prototype " could apply in practical engineering basically 本文研究了大速比摩擦传动的传动理论;设计了新型椭圆凸轮波发生器,设计制作了大速比摩擦传动样机;用软件ansys对所设计的椭圆凸轮结构进行了有限元分析;用19位绝对式编码器测试了大速比摩擦传动机构的传动精度、最小步距、最小步距的稳定性以及带负载能力等各项精度指标;对测量数据和研究内容进行了归纳和整理,认为新型椭圆凸轮波发生器克服了加工误差带来的诸多问题,新型椭圆凸轮波发生器可以进行尺寸精度调整,能够达到输入力矩以纯力偶的形式输入;通过本项研究,基本可以使“大速比摩擦传动机构”在工程中得以应用。
最小: minimum步: pace; step距: distance步距: footsteps; pace小步: [军事] half step 小步前进 progress in measured steps; 小步舞(曲) [音乐] minuet小步跑: skips and hops小步跳: skips and hops小步舞: minuet步距,一测米: pace步距变址字: step index word步距参数: stepover parameters步距方法: stepover method步距式声呐: stesonar步距搜索: step search切削步距: stepover梯段步距: flight run移架步距: unit advance最大步距: max stepover短小步态: marche a petits pas跨一小步: take a short step每一小步: every little step小步蛤属: badiotella小步前进: progress in measured steps小步舞乐拍: tempo di minuetto小步舞曲: menuetto; minuano; minuetto