(1) NC program is the working instruction of CNC machine tool to process parts automatically.
(2) The input device converts the NC code on the program carrier into the corresponding electrical pulse signal, and transmits and stores it in the NC device.
(3) NC device is the core of CNC machine tool. It receives the pulse signal from the input device and outputs all kinds of signals and instructions to control every part of the machine tool after compiling, calculating and logic processing by the system software or logic circuit of NC device, and performs the prescribed and orderly action. After necessary translation, logical judgment and power amplification, the command signals such as main motion speed change, cutter selection exchange and auxiliary device action are directly driven by the corresponding electrical, hydraulic, pneumatic and mechanical components to complete the required actions.
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