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How to solve the problem of large error of Large CNC cutting machine?

How to solve the problem of large error of Large CNC cutting machine?

Mechatronic cutting machines are called CNC cutting machines. They drive the machine tool through digital programs. With the movement of the machine tool, the cutting tools are randomly equipped to cut the objects.

After decades of development, large CNC cutting machine have made great progress in cutting energy and CNC control systems.Cutting energy has evolved from a single flame energy cutting to a variety of energy cutting methods. The control system of CNC cutting machine has been developed from simple function, complex programming and input mode,and low degree of automation to control mode with complete functions, intelligence,graphics and network. The drive system also ranges from stepper drive, analog servo drive to today's all-digital servo drive.

Working principle of CNC cutting machine:
Generally, the large CNC cutting machine automatically processes the parts to be processed according to the pre-programmed processing program. Write the processing route, process parameters, tool trajectory, displacement, cutting parameters and auxiliary functions of the part into a processing program according to the instruction code and program format specified by the CNC cutting system, and then record the contents of this program On the control medium, and then input into the numerical control device of the numerical control machine tool, so as to direct the machine tool to process the parts.

High Precision CNC Machine

This entire process from the analysis of the part drawing to the production of the control medium is called the preparation of the NC program. The difference between CNC cutting equipment and ordinary hand and semi-automatic cutting equipment in processing parts is that CNC cutting equipment automatically processes parts according to the program, while ordinary hand and semi-automatic cutting equipment needs to be operated by humans, you only need to change the control of the machine tool movements The program can achieve the purpose of processing different parts.

Because the CNC cutting equipment must process the parts according to the program, after the programmer has compiled the program, it is input into the CNC system to direct the machine tool to work. The input of the program comes through the control medium. In this way, the use of CNC system to control the finished parts can be modified by the drawing staff in time, and the use is more arbitrary. The accuracy of the workpiece parts is also greatly improved than the accuracy of the semi-automatic cutting equipment!

How to avoid the error of CNC cutting machine?
Cutting nozzle quality and slit compensation
The quality of the cutting nozzle of the CNC cutting machine will affect the surface quality of the workpiece and the straightness of the cutting side, and the slit compensation must be consistent with the actual slit width. The way to reduce this kind of error is to choose a cutting nozzle of qualified quality. The cutting nozzle specification should also be suitable for the thickness and material of the plate to be cut. You can first try to adjust the scrap on the scrap until the width of the cutting slot is uniform and the cross section is flat without slag. Cut a fixed-size rectangle without compensation, and then measure it, the smaller the slit width, the more it will be compensated.

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