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What is the working principle of CNC machine?

  • 2023-05-27 11:02:18

The working principle of the CNC machine tool is: the computer in the CNC device performs a series of processing on the information recorded by the input device in the form of numbers and characters, and then executes the processing to the spindle and feed of the machine tool through the servo system and programmable controller. The mechanism issues instructions, and the main body of the machine tool follows these instructions, and with the cooperation of the detection feedback device, various actions required for workpiece processing, such as the movement track, displacement and feed speed of the tool relative to the workpiece, are automatically realized. Control, so as to complete the processing of the workpiece.


The machining accuracy of CNC machine tools can generally reach 0.05-0.1MM. CNC machine tools are controlled in the form of digital signals. Every time the CNC device outputs a pulse signal, the moving parts of the machine tool move a pulse equivalent (generally 0.001MM), and the machine tool moves The backlash of the transmission chain and the average error of the screw pitch can be compensated by the numerical control device, so the positioning accuracy of the numerical control machine tool is relatively high.

After the CNC machine tool is adjusted before processing, the program is input and started, and the machine tool can automatically and continuously process until the processing is completed. What the operator has to do is only program input, editing, part loading and unloading, tool preparation, machining status observation, part inspection, etc. The labor intensity is greatly reduced, and the labor of the machine tool operator tends to be intellectual work. In addition, machine tools are generally combined, which is clean and safe.



D&S Automatic Co.,Ltd. located at the China plumbing town of Fujian Nan'an,It is a professional machine company. We supply you modern facilities,such as faucet, valve, brass fitting, cartridge, brass fittings, teflon tape and all kinds of machines. 

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