Milling machine

A machine tool that mills a workpiece with a milling cutter. In addition to milling planes, grooves, gears, threads and spline shafts, milling machines can also process more complex profiles with higher efficiency than planers and are widely used in the mechanical manufacturing and repair departments.

Brief history

The earliest milling machine was a horizontal milling machine created by American E. Whitney in 1818. In order to mill the spiral groove of the twist drill, American Brown, J.R. created the first universal milling machine in 1862, which is the prototype of the milling machine for the lifting table. The portal milling machine appeared around 1884. Semi-automatic milling machines appeared in the 1920s, and the workbench used the stops to perform automatic conversion of "feed-fast" or "fast-feed". After 1950, milling machines developed rapidly in control systems, and the application of digital control greatly improved the automation of milling machines. Especially after the 1970s, the digital control system and automatic tool change system of the microprocessor were applied on the milling machine, which expanded the processing range of the milling machine and improved the machining accuracy and efficiency.

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