extruded aluminum square tubing.How to improve the smoothness of CNC machining manufacturers

　　How to improve the smoothness of CNC machining manufacturers

　　CNC machining technology, data, and cutting tools all have an impact. A typical CNC four axis machining machine can reach Ra1.6. A precision high-speed machine for processing aluminum can reach Ra0.2. The surface finish with speckles is not high. There are many factors involved. If you are a long axis type, it may be due to insufficient tailstock thrust or tailstock movement. If there are no issues with the tailstock, there may be issues with tool wear, machining parameters, cutting fluid, and other aspects.

　　Also, there is information about the parts and the corresponding selection of cutting tools. Furthermore, there are issues with the machine tool itself that can only be addressed through practical exploration. It is impossible to solve them just by doing so. I hope you can find the underlying reasons.

　　The main reason is due to the strength issue of CNC machining, which may be caused by the excessive length of your CNC machined parts or the excessive length of your cutting tools. The center height of the cutting tool. Choose suitable cutting tools. Some CNC machining speeds are too high, which can cause resonance between the machine tool and the cutting tools of the parts, resulting in speckles.

　　To ensure the stability of the lathe, it depends on the fixing condition of the lathe. Another issue is whether the spindle will vibrate during high-speed operation, and secondly, the importance of coolant.

　　Furthermore, your cutting tools should be well ground and the chip removal groove should be properly opened to avoid scratching the workpiece due to poor chip removal. When chamfering the tool, it should be made into a circular arc angle, and when installing the tool, it should not be resistant to cutting.

　　It's about matching the spindle speed and feed speed. If your lathe is not working well, it's recommended to buy some sandpaper to polish it. When polishing with sandpaper, it's recommended to handle it according to the working direction of the cutting tool, so that the texture produced will look better.

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