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1.The accurate measurement of the structure parameters of real tooth surface of spiral bevel gear with the coordinate measuring machine is the key to evaluate the geometric quality of the real tooth surface quantificationally, and the base of machine-settings correction.
在三坐标测量机上精确测量螺旋锥齿轮真实齿面的结构参数是定量评价其齿面几何质量的关键,是齿轮加工机床参数修正的基础。收藏指正
2.By means of analyzing the designing parameters of less tooth differenced planetary transmission mechanism with biasing crankshaft, it is pointed out that the meshing angle is a key factor which affects the transmission function of the mechanism.
摘要通过对偏曲轴少齿差行星传动机构设计参数的分析，指出啮合角是影响机构传动性能的一个关键因素。收藏指正
3.The key techniques to accomplish parameterization modeling of involute bevel gear,under the Pro/E Wildfire condition using Cartesian CSYS to creat einvolute tooth profile and utilizing development tool parameters combined with the function of relations are introduced.
介绍了在Pro/E Wildfire环境下,运用笛卡儿坐标系创建渐开线齿廓并利用其开发工具参数(Parameters)结合关系式(Relations)功能来实现行星锥齿轮参数化造型的关键技术。收藏指正
4.Machining deformation of aircraft monolithic component is simulated by finite element method (FEM) and validated by experiment.The initial residual stress in pre-stretched plate is generated by simulating quenching and stretching processes.With a single tool-tooth milling process FEM,the machining loads in monolithic component material removing is obtained.Restart-calculation is put forward to complete the whole simulation of machining process.To verify the FEM result,an experiment is carried out.The deformation distribution of the monolithic component resulting from FEM shows a good agreement with the experiment result,which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation.Lengthy and expensive trial and error experiment process can be avoided.
在模拟淬火、拉伸过程获得含有初始残余应力的预拉伸板材以及模拟单齿切削过程获得切削载荷的基础上,提出并采用接力算法,对一航空整体结构件的材料铣削过程进行有限元仿真,同时进行了试验研究.结果表明,有限元模拟的整体结构件的变形与试验具有一致性,从而证明提出的整体结构件加工仿真关键技术的可行性,避免了为研究加工变形而进行的繁琐的试错法.收藏指正
5.Abstract: Machining deformation of aircraft monolithic component is simulated by finite element method (FEM) and validated by experiment.The initial residual stress in pre-stretched plate is generated by simulating quenching and stretching processes.With a single tool-tooth milling process FEM,the machining loads in monolithic component material removing is obtained.Restart-calculation is put forward to complete the whole simulation of machining process.To verify the FEM result,an experiment is carried out.The deformation distribution of the monolithic component resulting from FEM shows a good agreement with the experiment result,which indicates that the key technologies presented in the paper are practicable and can be used to simulate the milling process of monolithic component to predict its deformation.Lengthy and expensive trial and error experiment process can be avoided.
文摘:在模拟淬火、拉伸过程获得含有初始残余应力的预拉伸板材以及模拟单齿切削过程获得切削载荷的基础上,提出并采用接力算法,对一航空整体结构件的材料铣削过程进行有限元仿真,同时进行了试验研究.结果表明,有限元模拟的整体结构件的变形与试验具有一致性,从而证明提出的整体结构件加工仿真关键技术的可行性,避免了为研究加工变形而进行的繁琐的试错法.收藏指正
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