磨削TI蜗杆的砂轮廓形.pdfVIP

维普资讯 学兔兔 第44卷第2期 机 械 工 程 学 报 v。1．44 No．2 2008年 2月 CHINESE JOURNAL OF MECHANICAL ENGINEERING Feb． 2008 磨削TI蜗杆的砂轮廓形球 孙月海 卢华武 王树人 (天津大学机械工程学院 天津 300072) 摘要：TI蜗杆由渐开线斜齿轮包络形成，与斜齿轮组成一种环面蜗杆传动。11蜗杆传动推广应用的关键制造技术是解决蜗 杆齿面的精确磨削问题，即确定出与磨削方法相对应的砂轮廓形。分析TI蜗杆传动运动关系和TI蜗杆产形面特点，将对TI 蜗杆的磨削转化为成形砂轮磨削渐开线螺旋面的问题。依据齿轮啮合理论，推导出砂轮磨削渐开线螺旋面的啮合方程，依此 得到精确磨削1rI蜗杆的砂轮轴断面廓形。 关键词：环面蜗杆 斜齿轮 螺旋运动 砂轮廓形 磨削加工 中圈分类号：THI32．41 Profile of Grinding Wheel for Grinding TI Worm SUN Yuehai LU Huawu WANG Shuren (School of Mechanical Engineering，Tianjin University,Tianjin 300072) Abstract：T1 worm drive is a novel kind of hourglass worm，which consists of involute helical gear and enveloping hourglass worm． Accurate grindingforT1wormisthekeymanufacturetechnologyforTIWOITfl drivebeingpopularizedand applied，whichmeal~to obtain the profile ofgrinding wheel corresponding to the current grinding method、With the analysis ofthe movement relationship and the characteristic ofthe generating surface，the problem of accurate grinding for T1 worm is converted into grinding for involute helical by shaped whee1．Ac~rding to the theory of gear mesh，mesh equation for grinding involute helicoid by grinding wheel is deduced,the equationofthe axial sectionprofileofgrindingwheelwhich Can accurately grmdT1wormisgained． Key words：Hourglass worm Helical gear Spiral motion Profile of grinding wheel Grinding process 一 种很有价值的传动形式。我国的科研工作者曾先 0 前言 后提出了TI蜗杆的铣削加工方法【4 J、近似磨削加 工方法[6】和精修磨法【7】，并进行了相关工艺设备的 TI蜗杆传动即渐开面包络环面蜗杆传动，它是