To ensure the real-time in artillery rifle automation manufacturing,before starting,put the first interpolation result of the rifle selected by user into the extend memory in forms of frame.

• 为保证火炮身管膛线数控自动加工过程的实时性,启动自动加工前,将用户选定的膛线加工数据按微直线进行粗插补,其结果按帧结构存放到主机扩展内存。