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How to improve the quality of workpieces processed by CNC milling and turning?

29   |   Published by VMT at Jun 05 2021


1. Before CNC milling and turning, please use a calibrator to check whether the tool swing is within the allowable tolerance range. Before processing, use an air gun to blow clean the knife head and lock nozzle or wipe the installation knife with a cloth. Accuracy and quality have a certain influence.


2. The program list of CNC milling and turning machining files should be standardized, including model, name, program name, processing content, tool size, feed speed, especially the safety length of the tool post, reserved margin and instructions for each program light .


CNC milling and turning quality



3. The cnc milling and turning machining program list should be consistent with the reference angle direction indicated by the mold, and then check the 3D drawing, especially the workpiece that has been drilled and transported. It is necessary to check whether the 3D drawing and the level on the workpiece are consistent.

4. It is necessary to understand the content of CNC milling and turning machining procedures before processing. The program must have 2D or 3D drawings, must be marked with "X length, Y width, Z height" six-sided data, and the plane is marked with "Z" value to facilitate the operator to check the data. When there is a tolerance, the tolerance data should be marked.

5. Reasonable use of CNC milling and turning machining tools should be strictly distinguished between processing steel smooth knives and copper smooth knives. The remaining amount of the light knife should be reasonable, so that the smoothness of the workpiece and the service life of the tool become longer.


6. When clamping, pay attention to whether the name and model of the cnc milling and turning workpiece are consistent with the program table, the material size should match, the clamping height should be high enough, and the number of calipers used.


7. The processing speed of CNC milling and turning is strictly controlled by the operator. F speed and S spindle speed should be adjusted reasonably. When the F speed is fast, the S spindle must accelerate. The paper feed speed must be adjusted in different areas. After the processing is completed, check the quality without any problems, and you can get off the car for perfect machining.


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