自动换刀装置可以定义为 :一种能根据机床控制单元发出的命令从刀库中选择和更换刀具的装置。具有不同工作原理的各种类型的自动换刀装置已经用于不同机床制造商生产的平面加工中心。刀库一般是链式刀库或轮式刀库。当然 ,目前还有一些别的刀库类型 ,例如球形刀库、盒式刀库等 The automatic tool changer can be defined as: A device that selects and changes tools from the magazine based on commands from the machine control unit. Various types of automatic tool changers with different working principles have been used in the flat-surface machining centers made by different machine tool builders. The magazine is usually a chain magazine or wheeled magazine. Of course, there are some other types of magazines, such as ball magazines, magazine magazines and so on