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Milling machine was first developed by the American E. Whitney in 1818 horizontal milling machine. In order to mow the twist groove of the twist drill bit, the American J.R. Brown created the first universal milling machine in 1862, which is the prototype for the lifting table milling machine. Around 1884 there gantry milling machine. A semi-automatic milling machine emerged in the 1920s, and the worktable uses stoppers to perform automatic "feed-quick" or "fast-feed" conversion.
After 1950, the milling machine developed rapidly in the control system. The application of numerical control greatly enhanced the automation of the milling machine. Especially since the 1970s, the digital control system and automatic tool change system of microprocessors have been applied on the milling machine, expanding the machining range of the milling machine and improving the processing precision and efficiency.
With the increasing progress of mechanization, numerical control programming began to be widely used in machine tool operation, greatly releasing the workforce. CNC milling machine will gradually replace manual operation. The requirements for employees will also be higher and higher, of course, the efficiency will be higher and higher.