CNC milling machine is an automatic processing equipment developed on the basis of general milling machine. The processing technology of the two is basically the same, and the structure is also somewhat similar. CNC milling machines are divided into two categories: without tool magazine and with tool magazine. Among them, the CNC milling machine with a tool magazine is also called a machining center.

1. Classification by tool change form

(1) Machining center with tool magazine manipulator The tool changer of the machining center is composed of a tool magazine and a manipulator level, and the tool change action is completed by the manipulator.

(2) The machining center of the manipulator The tool change of this machining center completes the tool change process through the coordinated action of the tool magazine and the spindle box.

(3) Turret tool magazine machining centers are generally used in small machining centers, mainly for machining holes.