| 1. | Basic principles of non - equivalent machining of spatial cam surfaces 空间凸轮廓面非等价加工的基本原理 |
| 2. | Processing principle of spatial cam ( sc ) is analyzed intensively 对空间凸轮的加工工艺进行了深入地分析和研究。 |
| 3. | The experiment has proved that those methods can realize precision measurement for spatial cams and reverse design of spatial cam follower motion specifications rapidly and accurately 实验结果表明,该方法能快速、准确地实现空间凸轮的精密测量及从动件运动规律反求。 |
| 4. | The cam contour curves are reconstructed by nurbs , and a rapid reverse design method for spatial cam follower motion specification via motion simulation is also studied 利用nurbs实现了凸轮轮廓曲线的重构,并给出基于运动仿真实现迅速反求空间凸轮机构从动件运动规律的方法。 |
| 5. | Precision measurement method for spatial cams and probe - radius compensation method are presented in this paper according to spatial cam characteristics , and a specified measure program that can realize real - time probe - radius compensation is programmed 摘要根据空间凸轮的特点,给出了空间凸轮精密测量及刚球半径补偿方法,并编制了可实现实时测球半径补偿的空间凸轮专用测量程序。 |
| 6. | This thesis emphasizes on the mechanics feature of the spatial cam sliding tooth transmission , and the corresponding numerical computing software is developed . all of these offer a feasible method and prompt tool for the intensity design of the new precision transmission 本文着重对空间凸轮活齿传动的力学特性进行研究,并开发相应的数值计算软件,从而为该新型精密传动的强度设计提供有效的方法和快捷的工具。 |
| 7. | 5 ) under the pro / engineer circumstance , the contact finite element analysis method of the spatial cam sliding tooth transmission are established ; using the i - deas software , the corresponding contact finite element analysis has been done . comparing 5 )在pro / engineer环境下建立了空间凸轮活齿传动的接触有限元分析模型,运用i - deas软件进行了相应的接触有限元分析,并将有限元分析的结果与基于赫兹理论的计算结果进行了对比分析,二者吻合。 |
| 8. | Major contents of the thesis are as follows : 1 ) based on brief introduction of the profile theory about the spatial cam sliding tooth transmission , those formulas correlated to the mechanics feature are deduced to calculate the geometrical parameters ; 2 ) according to the hertz contact theory in elastic - mechanics , the mechanics analysis model of the spatial cam sliding tooth transmission is built up ; the deformation harmonizing conditions at each contact point are erected ; the force analysis formulas of point contact are deduced and the resolution method is presented ; 3 ) the numerical calculating software about the deformation of the spatial cam sliding tooth transmission is developed ; using the software , the force characteristics of the spatial cam sliding tooth transmission are calculated with different design parameters ; the general law on force characteristics of this transmission is obtained 论文的主要内容包括: 1 )在简要介绍空间凸轮活动传动齿廓理论的基础上,推导了与力学特性相关的几何参数的计算公式。 2 )建立了空间凸轮活动传动的力学分析模型;依据弹性力学赫兹接触理论,建立了各接触点之间的变形协调条件,推导了空间凸轮活齿传动点接触受力分析公式,并给出了求解的方法。 3 )开发了关于空间凸轮活动传动受力变形的数值计算软件;应用该软件,对不同设计参数的空间凸轮活齿传动的受力特性进行了数值计算,获得了该传动受力变形的一般规律。 |
| 9. | The author proposes a new contact point regress method which can be applied to any type of sc profile inspection by use of coordinate measuring machine ( cmm ) , establishes a mathematical model for data processing and error evaluation method , solves the puzzles of the spatial cam profile inspection and error calculation 提出了以三坐标测量机为工具,适合于任何形式空间凸轮廓面检测的接触点回归法,给出了数据处理的数学模型和误差计算方法,解决了空间凸轮廓面检测与误差计算的难题。 |
| 10. | Focusing on the spatial cam mechanism ( scm ) , the dissertation , starting with the practical processing and the characteristics of the structure and meshing , detailedly analyzes and experiments research the structure theory , processing error and , one - side process and profile inspection of scm with spatial meshing principle and rotating transformation matrix operator methods 本文以空间凸轮机构为研究对象,从工程实际出发,以空间啮合原理和旋转变换矩阵为工具,从结构特点、啮合特性入手,对空间凸轮机构的结构设计、加工误差、单侧面加工工艺及廓面检测技术进行了深入地理论分析和实验研究。 |