In view of the reconstruction of a special NC grinding machine,the algorithm and steps to realize based on ACIS are introduced,Providing the basis for the NC simulation and further processing.

• 针对某型数控磨床的改造要求,提出了基于ACIS几何造型的算法和实现步骤,为数控仿真和后置处理等步骤提供了依据。