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As we know, diamond circular saw blade would be damaged during the cutting process because of the power effect and temperature effect, OK, in the following article, let me introduce these two effects to you.

Firstly, power effect

During the cutting process, saw blades would be affected by some powers such as the axial force and tangential force, then because of the radial force at the circumference direction, saw blade would be with the form of wave shape at lengthways, meanwhile, at the radial direction, it would be with the saucer shape. With both such powers, the stone cutting surface would be rough, sometimes stone raw materials would be affected, when cutting, you would hear louder noise and drastic vibration. After a long time, diamond agglomeration would be damaged and then its working life would be shortened.

Secondly, temperature affect

When using saw blade for cutting, there are two different cutting temperatures, one is at the arc area while the other one is at the grinding material, which is too much higher than that at arc area. When using cooling liquid to reduce cutting temperature, it is only useful for arc area temperature, and as a result, diamond would be carbonized.

Article from: http://sawbladeblog.blogspot.ca