文献类型：期刊文献

中文题名：基于尺度效应的齿轮系统运行性能研究

英文题名：Study on the Operating Performance of Gear System based on Size Effect

作者：张国智[1]

第一作者：张国智

机构：[1]新乡学院机电工程学院

第一机构：新乡学院机电工程学院

年份：2015

卷号：39

期号：11

起止页码：135-138

中文期刊名：机械传动

外文期刊名：Journal of Mechanical Transmission

收录：CSTPCD;;北大核心:【北大核心2014】；CSCD:【CSCD_E2015_2016】；

基金：河南省教育厅自然科学研究计划(2011C460002)

语种：中文

中文关键词：弹塑性;有限元;尺度效应;运行性能;痕迹失效

外文关键词：Elastic-plastic FEM Size effect Operating performance Trace failure

摘要：以一对微小齿轮啮合机构为研究对象,结合微观塑性理论和有限元计算方法,建立了基于尺度效应的弹塑性有限元计算格式,并基于ANSYS的UPFs开发功能编制了计算程序,以多晶铜微压痕硬度测试实验验证了有限元计算程序的准确性。应用所开发的基于尺度效应的有限元计算程序,考虑了表面微凸体的尺度效应,并结合子结构凝聚法研究了微小齿轮由于制造误差引起的表面微细几何特征(毛刺、粗糙度)对微小齿轮机构的运行性能的影响,提高了计算效率及仿真预测的精度,并为机械痕迹失效分析提供了参考依据。
With micro-plastic-mechanics theory and FEM（ finite element method）,the performance of a pair of micro gears mechanism is studied.The elastic-plastic finite element computation format based on the size effect is established and put into effect with UPFs（ User-programmable features） in ANSYS.This computation format is verified through comparing the micro-indention experiment of the polycrystalline copper with the computation results with FEM.Considering the size effect of the micro asperity,the influence of the micro geometric features（ burrs and roughness） in the manufacturing errors of gears on the performance of this mechanism is studied with substructure FEM with computation program.The basis is supported for the mechanical trace failure analysis of gear mechanism through the study and the computation efficiency and the accuracy of the simulation is improved.