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Processing Method Of Material Adhesive Knife In NC Carving Machine Carving
Dec 06, 2018

Engraving machines are widely used and can be applied to various fields and industries. They are suitable for carving and cutting of various materials. However, when processing materials with low melting points(such as acrylic plates, foams, etc.), due to the high speed rotation cutting of the main shaft of the engraving machine, a large amount of heat energy is generated, resulting in the melting of the cut material and adhesion to the tool, affecting the carving process; Another situation is that when carving or cutting materials such as copper and aluminum, the resulting debris will also be heavily adsorbed on the tool, affecting the cutting process of the tool. So, how to avoid the situation of sticky knife when carving and processing such materials?
There are three main ways to solve the sticky knife phenomenon when carving easily melted materials. First of all, we must pay attention to the use of sharp knives, which can reduce cutting heat; Secondly, reducing the speed of the spindle reduces the cutting line speed accordingly, and also avoids the generation of cutting heat energy; Third, increase the feed speed, shorten the time that the tool stays in the same position, the cutting heat received by the unit area material will be reduced, and the melting of the carved material will also be avoided.
When cutting copper and aluminum metal, we can also use the following methods to deal with it. First, we can improve the cooling method. Adding butter to the processed material can avoid cutting heat energy generation, and we can avoid cutting debris sticking to the tool.; Secondly, replace the sharp tool to minimize cutting heat; The third adjustment spindle speed, the maximum increase spindle speed; The fourth reduces feed speed, and the fifth can spray cutting fluid to the tool during processing.
Under normal circumstances, when using a CNC carving machine, when there is a sticky knife phenomenon, it is mainly caused by the above two situations. According to the characteristics of the processed materials, using different processing methods can basically solve the problem of carving the knife phenomenon.

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