| 1. | Geometrical errors analysis and control in for 5 - axis machining of large sculptured surfaces 大型叶片五轴联加工的几何误差控制 |
| 2. | Sculptured surface machining is a critical process commonly used in die and mold industries 摘要复杂曲面加工广泛应用于模具行业。 |
| 3. | In this paper , application of convex hull is proposed to slove the problem of global tool interference avoidance in 5 - axis sculptured surface machining 本文提出了运用凸包法解决在五轴加工中刀具干涉的算法。 |
| 4. | Two different methods for interference checking have been developed . quick feasibility checking is used to find a conservative feasible tool orientation by using the control mesh of a sculptured surface 在干涉检测中用了两种不同的算法,即快速检测法和详细检测法,快速检测法通过使用曲面的控制网格获得刀具的可行位置。 |
| 5. | The reverse engineering ( re ) is more and more used in machine , rapid prototype , sculpture , physic , topography etc . it has attracted considerable research attention in cad / cam . its core subject is the reconstruction of sculptured surface 逆向工程广泛应用于机械、快速原型、雕塑、医学、野外地形等领域,是目前cad / cam研究领域的热点问题,而复杂曲面的重建是逆向工程研究的核心问题之一。 |
| 6. | Bezier and nurbs are chosen as the fundamental method to achieve surface reconstruction on the basis of fundamental theory of sculpture surface reconstruction . then the fitting method of bezier and nurbs surface reconstruction is given after the reconstruction algorism is discussed 作者研究了复杂曲面重建的基本理论,选择b zier和nurbs作为曲面重建的基本方法,同时对曲面重建的算法进行研究,给出b zier和nurbs曲面拟合的不同方法,并对求交、拼接和光顺等方法进行了深入研究。 |