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DOI: 10.11817/j.issn.1672-7207.2018.04.008 基于Ease-off的螺旋锥齿轮齿面分区修形方法 严宏志1, 2,肖蒙1, 2,胡志安1, 2,艾伍轶1, 2,明兴祖3 (1. 中南大学 高性能复杂制造国家重点实验室,湖南 长沙,410083; 2. 中南大学 机电工程学院,湖南 长沙,410083; 3. 湖南工业大学 快速成型技术研究所,湖南 株洲,412007) 摘要:为预控双重螺旋法加工的螺旋锥齿轮的啮合性能,研究基于Ease-off的螺旋锥齿轮齿面修形方法.用大轮理论齿面展成得到小轮共轭齿面,基于预设的对称抛物线传动误差和接触迹,将齿面划分为小端,中间接触区,大端共3个区域,并基于局部共轭原理沿啮合线方向对3个区域进行3段抛物线修形,得到目标齿面;采用Ease-off齿面接触分析方法,对得到的目标齿面啮合性能进行分析.研究结果表明:传动误差......
基于ease-off的通用加工参数的弧齿锥齿轮高阶反调修正研究占睿1,阿达依·谢尔亚孜旦1,丁撼21. 新疆大学机械工程学院2. 中南大学高性能复杂制造国家重点实验室摘 要:利用高阶运动系数表示的通用加工参数用来进行弧齿锥齿轮的精确ease-off齿面反调修正.首先基于通用展成加工模型(UGM)采用高阶多项式函数表达的通用加工参数来定义真实高阶ease-off齿面.然后考虑到方程求解的强烈非线性引入敏感系数矩阵和改进的带置信域策略的Levenberg-Marquardat(L-M)算法来获得精确稳定的通用加工参数反调量.最后基于通用加工参数的高阶反调方法被提出来主要包括:i)最优加工参数调整;ii)高阶ease-off齿面修正.给出的算例证明高阶反调修正后的齿面ease-off能够达到1mm甚至更小提......
圆弧刀廓的双重螺旋法加工齿轮副齿廓修形对齿面接触性能的影响.首先推导采用圆弧刀廓,双重螺旋法加工的齿面方程,基于Ease-off分析圆弧刀廓加工对齿面失配量的影响;采用有限元法进行加载接触分析,得到不同刀廓加工齿轮副的接触位置及形状,传动误差,接触压力,对比分析不同刀廓加工齿轮副啮合性能对安装误差的敏感性.研究结果表明:圆弧刀廓修形可改善接触区位置和形状,避免边沿接触,减小传动误差,提高传动平稳性;显著降低工作与非工作齿面最大接触应力,以及边沿接触对安装误差的敏感性,有利于提高齿轮副承载性能和磨损寿命. 关键词:圆弧刀廓;齿廓修形;Ease-off;啮合性能 中图分类号:TH132.4 文献标志码:A  ......
采用本文更新Kriging模型的3.294 9×106倍.基于更新Kriging模型重构螺旋锥齿轮齿面精度更高. 采用差曲面表达建模的误差可更直观反映重构精度.取法向偏差作为Kriging模型误差可得其差曲面如图4和图5所示. 图4 Kriging模型差曲面图 Fig. 4 Ease-off of Kriging model 图5 Pro/E模型差曲面图 Fig. 5 Ease-off... on tooth contact in face-hobbed spiral bevel gears[J]. Mechanism and Machine Theory, 2011, 46(12): 1980-1998. [2] 严宏志, 肖蒙, 胡志安, 等.基于Ease-off的螺旋锥齿轮齿面分区修形方法[J]. 中南大学学报(自然科学版), 2018, 49(4): 824-830. YAN......
Table 2 Optimal coefficient for modified pinion 图5 优化齿面拓扑修形量 Fig. 5 Optimal ease-off topography for pinion 图6 不同修形系数的法向修形量 Fig. 6 Ease-off topography for pinion... Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2009: 271-279. [21] ARTONI A, KOLIVAND M, KAHRAMAN A. An ease-off based optimization......
bevel gears[J]. Computer methods in applied mechanics and engineering, 2002, 191(11): 1057-1095. [2] SHIH Y P. A novel ease-off flank modification methodology for spiral bevel and hypoid gears[J]. Mechanism and Machine Theory, 2010, 45(8): 1108-1124. [3] ARTONI A, GABICCINI M, GUIGGIANI M, et al. Multi- objective ease-off optimization of hypoid gears for their efficiency, noise, and durability......
parameter change to 0.05 mm, and the roll ratio parameter to 0.005. Figures 4-13 show the corresponding tooth surface error ease-off diagrams when 10 machining parameters change. Figure 4 Radial.... Ease-off based compensation of tooth surface deviations for spiral bevel and hypoid gears: Only the pinion needs corrections [J]. Mechanism and Machine Theory, 2013, 61(3): 84-101. DOI: 10.1016/j......
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for the design and the error compensation of six-axis NC spiral bevel gear grinder. References [1] SHIH Y P, FONG Z H. Flank modification methodology for face-hobbing hypoid gears based on ease-off topography [J]. Journal of Mechanical Design, 2007, 129(12): 1294-1302. [2] LIN C Y, TSAY C B, FONG Z H. Computer-aided manufacturing of spiral bevel and hypoid gears with minimum surface......
Zongde. Active design of face gear drive for modifying ease-off topology flank[J]. Journal of Aerospace Power, 2014, 29(5): 1216-1222. [13] Litvin F L, ZHANG Yi. Local synthesis and tooth analysis of face......