Basic rack tooth profiles for involute teeth of cylindrical gears for general engineering and heavy engineering 通用机械和重型机械的圆柱齿轮渐开线齿条的基准齿条
Abstract : calculation of the module of a 45 pressure angle involute profile for a tapered splined shaft substituting for a delta profile is studied in this article . the formula of calculation is deduced and the influence of unsuitable module on contact zone is also analysed 文摘:讨论了锥三角齿花键轴用45压力角渐开线齿花键轴代替时，如何计算模数的问题，并推导出相应的计算公式，分析了模数选择不当对接触区的影响
Abstract : the therortical calculation of the bending stress of the root and experimental stress analysis on the modified profile and the standard involute tooth profile were made with the finite element method and the electric resistance strain film method . this indicated that the modified profile was supe rior to the standard involute profiles in terms of the bending strength 文摘:分别用有限元和电阻应变片法对修形齿形和渐开线齿形进行齿根弯曲应力计算与实验应力分析.结果证明在弯曲强度方面修形齿形比标准渐开线齿形更优越
For cutting the composite lock gear with unequal tooth thickness , a study is made on the design method of gear sharper cutter with nonstandard parameter involute tooth profile and noninvolute tooth profile . the cutter tooth arrangement , the choice of teeth number of the cutter and the basic method of cutter design are discussed ; and a new method of choosing deflection factor by using limited area is presented . and the curve of relationship between rear angle on tooth crest and helical angle on tooth side of the cutter is given so as to give a basis for the gear sharper cutter to choose its parameters . to design nonstandard gear sharper cutter by adopting the method mentioned above will simplify the calculation and will increase the efficiency of design 研究加工不等齿厚的非标准参数渐开线齿形，与非渐开线齿形复合的锁闭齿轮插齿刀刀齿的排列、刀具齿数的选择以及刀具设计的基本方法，介绍用限制区域选择插齿刀变位系数的新方法，并给出刀具齿顶后角与侧螺旋角的关系曲线，为插齿刀参数的选择提供依据.结果表明，采用上述方法设计非标准复合齿轮插齿刀，可简化计算和提高设计效率
By means of analytical methods based on upper bound element technique ( ubet ) , non - axisymmetric element , simulates the forming process of non - axisymmetric involute teeth spline has been introduced , formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described 摘要本文运用上限单元技术( ubet ) ，引入非完全轴对称单元，模拟了非完全轴对称零件渐开线齿外花键的成形过程，推导出了成形过程中的速度场公式，并成功地描述了挤压过程中的变形规律。
By means of researching the meshing impact in the engagement of standard chain respectively with the spur toothed sprocket and the involute toothed sprocket , it has been discovered through analysis that by adopting the involute tooth for the sprocket could reduce the normal impact velocity in the engaging instant of chain and sprocket , thus lowered the meshing impact among chain and sprocket 通过研究标准链条分别与直齿链轮和渐开线齿链轮啮合的啮合冲击，分析发现在链轮上采用渐开线齿能减小链条与链轮啮合瞬间的法向冲击速度，进而降低链条与链轮的啮入冲击。
