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Question

4. Main processor
4.1. Generation of workpiece surface data
An example of the modeled objective shape of workpiece with free-curved surface and hole is shown in Fig. 6. The shape is a simplified model of an ellipselike hole on free-curved surface and is obtained by the subtractive operation between ellipse-like column and a cube having free-curved surface on CAD system. Let us apply the above model to obtain the workpiece surface data for chamfering.
In Fig.7, the edge E is obtained as a cross section between the ellipse-like column and the surface S: The edge E is equally divided by points P, depending on a chamfering condition. Npn is the normal vector at the Pn: Fn is the vector directing from Pn to Pnt1; respectively. An outer product of Npn and Fn corresponds to the tool axis vector D of the plane Ain Fig.4. As shown in Fig.8, the vectors Dn and Nn are obtained by revolving Dpn and Npn around Fn by 451, respectively. As a result, the vectors obtained correspond to the normal vector N; the feed vector F and the tool axis vector D in Fig. 4 at the chamfering point P: An example of the workpiece surface data displayed on CRT is shown in Fig.9.

Answer 1

4.主处理器
4.1 工件表面数据的生成
图6示例的是建模的工件的外形，表面是自由曲面，还带孔。该形状是一个简化模型，自由曲面表面上有一个类椭圆的孔，获得的方法是用CAD在一个具有自由曲面的立方体上减去类椭圆柱。以下为运用上面的模型来获得切削所需的工件表面数据。
如图7，类椭圆柱和S表面的相交部位为E边：E边被P点等分，因切削工况而定。Npn是Pn处的垂直向量：Fn是指向Pn到Pnt1的向量。Npn和Fn的外乘积相当于图4中平面A的工具轴向向量D。如图8，以451围绕Fn旋转Dpn和Npn分别得到向量Dn和Nn。结果是，得到的向量相当于垂直向量N；图4为在切削点P处的馈给向量F和工具轴向向量D。图9示例的是屏幕显示的工件表面数据。

无原图，只能大概。

参考资料：绝非机器翻译

Answer 2

4.1制件表面数据
制件被塑造的客观形状的例子与自由弯曲的表面和孔显示在。 6. 形状是一个ellipselike孔的一个简化的模型在自由弯曲的表面和由减少性的操作获得之间椭圆象专栏和自由弯曲表面在计算机辅助设计系统的立方体。 让我们运用上述模型得到制件表面数据为斜切。在，边缘E得到作为一个横断面在椭圆象专栏和表面S之间： 边缘E由点P相等地划分，根据一个斜切的情况。 Npn是正常传染媒介在Pn ： Fn是指挥从Pn的传染媒介到Pnt1; 分别。 Npn和Fn外积对应于飞机的工具轴传染媒介D自己。结果，得到的传染媒介对应于正常传染媒介N; 饲料传染媒介F和工具轴传染媒介D在。 4在斜切的点P ： 在CRT显示的制件表面数据的例子显示在。