Compared with the traditional edge milling machines, this machine series is dismountable in their tracks, more rational in structure by heat-treatment of the bench, more reliable and stable in the milling and turning head's running. The feed and feed-back systems are fully independent respectively. The feed-back is quick and is highly efficient. The angle of the milling tool's tray is convenient in adjustment, and the custom-built tool rest and the normal tool rest can be inter-converted. They are the updated products of the traditional edge milling machine.