The milling machine was first created by the American E. Whitney in 1818. In order to mill the spiral groove of the twist drill bit, the American J.R. Brown created the first universal milling machine in 1862, which was the prototype of the milling machine for the lifting table. Around 1884, the gantry milling machine appeared. In the 20s of the 20th century, semi-automatic milling machines appeared, and the workbench used stops to complete the automatic conversion of "feed-fast" or "fast-feed".
After 1950, the milling machine developed rapidly in the control system, and the application of digital control greatly improved the automation degree of the milling machine. Especially after the 70s, the digital control system and automatic tool change system of the microprocessor have been applied on the milling machine, which has expanded the processing range of the milling machine and improved the machining accuracy and efficiency.
With the intensification of mechanization, CNC programming has begun to be widely used in machine tool operations, which greatly releases labor. CNC programming milling machines will gradually replace manual operations. The requirements for employees will also become higher and higher, and of course, the efficiency will be higher and higher.
