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1. 发明授权

US5363309A Normal distance construction for machining edges of solid models 失效
标题翻译：固体模型加工边缘的正常距离施工
公开(公告)号：US5363309A
公开(公告)日：1994-11-08
申请号：US24118
申请日：1993-02-25
申请人： Wickham H. Tong Loh
发明人： Wickham H. Tong Loh
IPC分类号： G05B19/4099 , G06F15/46
CPC分类号： G05B19/4099 , G05B2219/35097 , G05B2219/50356 , Y10T408/175
摘要： A computer-based system and method is provided for positioning a cutter tool to an edge of a solid model in a computer aided manufacturing environment. A shortest distance and direction required to position the machine tool cutter to the edge of the solid model is determined. Edges are defined as three dimensional space curves. The machine tool cutter is defined as a convex envelope. Using the space curve definition, the cutter location, and the center axis of rotation for the cutter, computations are executed to determine a directional vector and distance such that moving the cutter along the vector for the prescribed distance will cause it to be in contact with the curve. Adjustments are available which cause the cutter to travel to offsets from the curve, including aligning the front of the cutter to the curve, the end of the cutter on the curve, or the back of the cutter past the curve.
摘要翻译：提供了一种基于计算机的系统和方法，用于在计算机辅助制造环境中将刀具定位到实体模型的边缘。确定将机床刀具定位到实体模型边缘所需的最短距离和方向。边缘被定义为三维空间曲线。机床刀具被定义为凸包。使用空间曲线定义，切割器位置和切割器的中心旋转轴线，执行计算以确定方向矢量和距离，使得沿着向量移动切割器达规定距离将使其与曲线。可以进行调整，使刀具从曲线偏移，包括将刀具的前部与曲线对齐，曲线上刀具的端部或刀具背面曲线。

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