【摘要】 介绍了交流伺服系统改造车床的结构框图、控制方法及特点，详细说明了用户软件扩展后各条指令的功能及具体应用，为交流伺服系统在大中型车床上的应用开拓了一条新路．更多还原

【Abstract】 The configurational block diagram,control method,and the features of reconstructed lathe with AC servo system are introduced.The functions of every instruction in the extended user’s software and its concrete application are explained in detail so that a new way of application of AC servo system to large and medium sized lathes is developed.更多还原