The digital control system is abbreviated as the English name. The English name is the Numerical Control System. In the early days, it was developed in parallel with the computer. It is used to control the automatic processing equipment. The hardware controller and relays are used to form a dedicated controller with computing power. NC). After the 1970s, separate hardware and electronic components were gradually replaced by more integrated computer processors called computer numerical control systems.
Computerized numerical control (CNC) system is a system that uses computer to control processing functions and realize numerical control. The CNC system performs some or all of the numerical control functions according to the control program stored in the computer memory, and is equipped with an interface circuit and a servo drive device for controlling a dedicated computer system of the automated processing equipment.
CNC system consists of NC program storage devices (from early tape to magnetic ring, to tape, disk to computer-used hard disk), computer control host (computer evolved from dedicated computer to PC architecture), programmable logic controller ( PLC), spindle drive unit and feed (servo) drive unit (including detection unit). cnc machining part
Due to the gradual use of general-purpose computers, CNC systems have increasingly software-based colors, and PLCs have replaced traditional machine tool electrical logic control devices, making the system smaller, flexible, versatile, and reliable. The numerical control function is convenient to use and maintain, and has the function of connecting with the network and performing remote communication. cnc turning part
Processing technology
(1) Turning and milling CNC system
(2) Grinding CNC system
(3) For special machining CNC system
Five-axis CNC
The CNC machine with five-axis function can realize the relative movement between the workpiece and the tool in various postures. On the one hand, it can maintain the tool's better machining posture, avoid the extremely low cutting speed of the tool center, and avoid the tools and workpieces and fixtures. Interference between the two, to achieve a larger processing range within a limited stroke. The five-axis function is also an important indicator for measuring the capabilities of the CNC system.
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Post time: Aug-25-2019