The size of AIB is con- trolled according to the precision requirement of machining. With AIB method, the image data of part contour is turned into a set of line segments and NC code is then generated.

• 适应性包容盒AIB的大小可以通过加工精度控制，零件轮廓的图像数据能够转化为分段的直线，进而生成零件轮廓加工的数控代码。