介绍了将逆向工程与正向设计结合实现自由曲面模型重构的新方法。
The new method of re-construction of free-form surface which takes full advantage of conventional design and reverse-engineering is introduced in this paper.
目前，如何快速建立鞋楦3d自由曲面模型是鞋楦设计制作及鞋底模具制作的重要课题之一。
At present, how to constitute the last 3d free-form surface model rapidly is one of the important subjects about the last design and the sole mould manufacture.
针对自由曲面走刀方向数控加工的研究，建立了简化的刀具轨迹时间模型，并对路径规划的系统进行了讨论。
To aim at the research on cutting direction in NC machining of free-form surfaces, a simplified time model for tool trace is established, and the system of tool path programming is discussed.
首先给出能够表示任意多个自由曲面拓扑结构的描述，该模型可用于表示反求工程中的任意物体。
A simple topology model is presented to represent complex topology structure of free form surfaces to compose arbitrary object for reverse engineering.
这种方法可以用于3d物体的CAD模型重构和自由光滑曲面模拟。
The proposed method can be used for CAD model reconstruction of 3d objects and free smooth shape modeling.
旋风式铣削模型是基于复杂自由曲面的5轴数控加工而提出来的一种新的铣削技术。
Whirlwind milling model is a new milling technique proposed in this paper based on 5-axis CNC horizontal bed-type milling machines.
通过预处理数据之后，可以有效的提高曲面重构效率，改善自由曲线曲面模型质量。
Based on the processed data, computational efficiency of surface reconstruction is greatly increased, and model quality of free curve and surface is improved.
采用逆向技术路线，通过“点-面”的CAD模型重构过程对不能或不便用CAD功能来表达的手绘图案自由曲面重构进行了研究。
This paper studied on free curved surface reconstruction of hand-drawing with reverse technology and "point-surface" CAD model reconstruction.
详细研究了测量系统各组成部分的特性和系统的实现方法，完成了已知自由曲面的测量和轮廓度误差评定，实现了未知自由曲面的测量和数学模型的建立。
The design method of the system and the characteristics of its components are studied in detail. By using this system, a known free-form surface can be measured and its profile error can be assessed.
针对复杂曲面数据测量及曲面重构的要求，以玩具狗头为例，介绍使用三维激光扫描仪的自由曲面反求过程中产品点数据的处理方法，以及CAD模型的重构技术，分析了反求建模中存在的问题。
The processing methed of data tested by laser scanner and reconstruction technology of CAD model in the reverse process of free-form surface were persented with toy of dog head as example.
根据现实情况提出了适用于自由曲面照明系统的光学模型，并通过将光源包埋入自由曲面的方法实现100%的理论能量利用率。
According to the lighting requirements, the optical systems are designed. With the LED source emerged in the optical system, an ideal efficiency of 100% can be achieved.
根据现实情况提出了适用于自由曲面照明系统的光学模型，并通过将光源包埋入自由曲面的方法实现100%的理论能量利用率。
According to the lighting requirements, the optical systems are designed. With the LED source emerged in the optical system, an ideal efficiency of 100% can be achieved.
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