【摘要】 从人工分片研磨抛光的机理出发,提出一套全新的双螺旋线轨迹规划算法。该算法产生的螺旋线轨迹起始并终止于子片的外边界,内旋、外旋螺旋线之间用S形回转轨迹圆滑连接,使得连接所有子片的研磨抛光路径成为可能,以实现整张曲面无退刀的分片加工策略,可消除表面撞痕,降低工件的表面粗糙度。用Matlab对算法进行了仿真,规划的加工轨迹达到了预期效果。更多还原

【Abstract】 Based on the principle of subdivision polishing, a novel double spiral tool-path planning algorithm was proposed. The tool-path generated by this method starts and ends on the original border of a patch. The screw in and screw out tool-path are smoothly connected by an ‘S’ shaped returning sub-path. So, it is possible to connect the adjacent tool-path easily and fulfill the machining strategy of subdivision polishing without tool retractions. The algorithm was verified with Matlab.The simulation shows that the tool-path can eliminate the collisions and ensure lower roughness of work-piece surface.更多还原