二维码(扫一下试试看!) | 基于烧伤控制的18CrNi4A材料齿轮磨削工艺研究 | Research on Gear Gridding Process of Material 18CrNi4A Based on Burn Control | 投稿时间:2017-03-01 | DOI:10.15918/j.tbit1001-0645.2018.03.003 | 中文关键词:18CrNi4A材料齿轮磨削烧伤温度场临界温度磨削烧伤 | English Keywords:Material 18CrNi4Ageargrinding burntemperature fieldcritical temperaturegrinding burn | 基金项目:国家自然科学基金资助项目(51275020);国家科技支撑计划(2014BAF08B01) | | 摘要点击次数:684 | 全文下载次数:539 | 中文摘要: | 为对18CrNi4A材料齿轮加工过程中出现的磨削烧伤现象进行有效控制与预防,从而达到改进工艺、延长寿命的目标,利用ABAQUS有限元仿真方法,建立了齿轮磨削仿真模型,研究了18CrNi4A材料齿轮磨削过程中砂轮线速度、磨削切深等工艺参数对磨削温度场的影响规律,确立了各工艺参数对磨削温度场影响的权重,为实现基于烧伤性能变化的磨削参数控制研究提供了参考.进行了18CrNi4A材料齿轮磨削加工试验,验证了有限元仿真分析的可信性,并得到了18CrNi4A材料的磨削烧伤临界温度,能够对18CrNi4A材料齿轮磨削加工工艺参数的确定提供一定的理论指导. | English Summary: | In order to improve the process and prolong the fatigue life of the gear made from Material 18CrNi4A,a new method was proposed to control the manufacturing process of gear and to prevent the grinding burns emerging in this process.Firstly,a model was developed based on ABAQUS finite element simulation method to simulate the gear grinding process and to analyze the influence of process parameters,such as grinding wheel speed and grinding depth,on the grinding temperature field of Material 18CrNi4A.And then,the influencing weights of each process parameter on the grinding temperature field were established to provide a reference for the study of grinding parameter control according as burn performance.Finally,a Material 18CrNi4A gear grinding test was carried out to verify the reliability of finite element simulation analysis result and to obtain the critical temperature of Material 18CrNi4A grinding burn.The analysis and test results can provide a certain theoretical guidance for the grinding process parameter decision of the Material 18CrNi4A gears. | 查看全文查看/发表评论下载PDF阅读器 | |
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