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首页> 外文期刊>Arabian Journal for Science and Engineering. Section A, Sciences >Computerized Design and Optimization of Tooth Modifications on Pinions for Face Gear Drives
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Computerized Design and Optimization of Tooth Modifications on Pinions for Face Gear Drives

机译：面部齿轮驱动器小齿轮齿改造的计算机化设计与优化

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摘要

This paper presents a novel design and optimization method for tooth modifications on pinions for face gear drives that spans a variety of modification types. A tooth profile and an axial modification curve on a spur pinion are designed to consist of a straight line and two sections of parabola, and the topologically modified tooth surface of the pinion is expressed as a superposition of the theoretical tooth surface and the deviation surface determined by fitting cubic B-splines on the tooth surface grid. The design method can accurately control the modification amount, modification lengths and deviation surface. Based on tooth contact analysis and loaded tooth contact analysis of the face gear drives, a multi-objective optimization model is established with a uniform tooth surface load distribution, minimum wave amplitude of loaded transmission error (WALTE) and minimum tooth surface flash temperature (TSFT) as the three objectives. Optimization variables include the eight parameters of the modification curves, and a fast elitist nondominated sorting genetic algorithm (NSGA-II) is applied to solve the model. The simulation results show that the maximum TSFT can be reduced by up to 36.32%, the WALTE can be reduced by up to 59.26%, and the maximum load density can be reduced by up to 9.84%, which proves the proposed method is feasible and satisfactory for face gear drives.
机译：本文提出了一种新颖的设计和优化方法，用于对跨越各种修改类型的面齿轮驱动器的小齿轮齿轮修改的设计和优化方法。齿形轮廓和齿轮齿轮上的轴向修改曲线被设计成包括直线和两部分的抛物线，并且小齿轮的拓扑修饰的齿面表示为理论齿表面的叠加和确定的偏差表面通过在齿面栅格上安装立方体B样条。设计方法可以精确地控制修改量，修改长度和偏差表面。基于牙齿接触分析和面部齿轮驱动的牙齿接触分析，建立了一种多目标优化模型，具有均匀的齿面负载分布，负载传输误差的最小波幅度和最小齿面闪光温度（TSFT ）作为三个目标。优化变量包括修改曲线的八个参数，并且应用了快速精油的NondoMinated分类遗传算法（NSGA-II）来解决模型。仿真结果表明，最大TSFT可降低36.32％，瓦尔特可降低高达59.26％，最大载荷密度可降低高达9.84％，这证明了所提出的方法是可行的面部齿轮驱动器令人满意。

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