Digital control is a method that use digital information to realize electrical drive prototype control,
is a kind of modern automatic control technology. Digital control technology is widely used in
machine tool control, formed the mainstream of digital control technology - machine tool digital
control technology and machine tool numerical control system. The machine tool numerical
control system is able to handle the use number logically, or regulated procedures instructed
by other symbols and codes, can automatically finish machining information input, decoding,
operations, to control the movement of the machine tool and machining process.
Application of numerical control technology or equipped with numerical control system named
numerical machine. Numerical control machine tool is new automatic machine tools with
broad prospects developed since the 1950s, it combines many aspects of scientific and
technological achievements including computer technology, automatic control, precision
detection and precision manufacturing , is a typical products with electromechanical integration .
In the modern manufacturing system,numerical control technology is the key technology,it
consists microelectronics, computer, information processing, automatic detection, automatic
control and other high and new technology,with many characteristics such as high precision,
high efficiency, flexible automation.