Granite is a steel-hard crystalline stone formed by igneous rock. It is also a super-hard and wear-resistant building material. It is precisely because of this characteristic of granite that it is difficult to process. Even if professional granite saw blades are used for cutting, these problems will be encountered.

 

 

The reason is that the granite saw blade is too hard and the diamonds fall off. It may also be that the previous saw blade grinding is not sharp enough, resulting in insufficient diamond cutting edges.

 

 

Due to the loose arrangement of the sintered body of the granite saw blade and the segregation of the material, these will cause the saw blade to fall off during processing.

 

 

The uneven distribution of diamond particles in the granite saw segment, excessive concentration or excessive sparseness, will cause diamonds to fall off, and then cause jumping blades.

 

 

This phenomenon is also caused by the shedding and improper distribution of diamond particles. At the same time, the matrix is ​​too hard or too soft, which will also cause an impact.

 

 

First, during the heating and sintering process of the granite saw blade, the temperature gradient, powder activity, and distribution differences of low-melting-point substances in the upper and lower parts of the saw blade lead to changes in the sintering structure and mechanical properties;

 

Second, during the processing, due to the high hardness of granite, the vibration and impact force generated and transmitted when the granite saw blade contacts it weaken the strength of the matrix tissue, resulting in a decrease in the holding force of the matrix on the diamond particles;

 

Then, during the cutting process, heat will continue to accumulate, which will also weaken the structural mechanical properties of the granite saw blade sintered body.