Study on Computer-Aided Process Planning of Mold Part Machining
Study on Computer-Aided Process Planning of Mold Part Machining
复制标题
模具零件加工计算机辅助工艺规划研究
DOI：
10.2493/jjspe.75.1129
复制
发表时间：
2006
影响因子：
--
通讯作者：
M. Inui
中科院分区：
文献类型：
--
作者：
K. Morimoto;M. Inui
大型深型模具在汽车保险杠、汽车内板的生产中得到了广泛的应用。为了实现此类深模具的精密稳定加工，通常采用斜铣刀三轴铣削。在本文中，我们提出了一种新的算法来确定最佳的切削方向，在这种倾斜的加工。引入可达锥的概念作为评价倾斜加工稳定性和安全性的一种手段，并将最佳切削方向定义为可达锥具有最大峰角的方向。特定切割方向的可接近圆锥体可以通过渲染模具偏移形状的轮廓图片来推导。这种计算可以通过使用现在大多数PC中配备的图形处理单元（GPU）来加速。提出的算法实现和实验工艺规划辅助程序，使用这种技术的证明。
Large molds with very deep shape are well used in producing bumpers and inner panels of automobiles. In order to realize the precise and stable machining of such deep molds, 3-axis milling with inclined cutters are often applied. In this paper, we propose a new algorithm for determining the optimal cutting direction in such inclined machining. We introduce a concept of accessible cone as a measure for evaluating the stability and safety in the inclined machining, and we define the optimal cutting direction as the direction whose corresponding accessible cone has the maximum peak angle. The accessible cone for a specific cutting direction can be derived by rendering the silhouette picture of the offset shape of the mold. This computation can be accelerate by using the graphics processing unit (GPU) which is now equipped in most PCs. Proposed algorithm is implemented and an experimental process planning assistance program using this technology is demonstrated.
DOI：
10.1016/s0010-4485(02)00052-0
发表时间：
2003-02
期刊：
Comput. Aided Des.
影响因子：
--
作者：
M. Inui
通讯作者：
M. Inui