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best diamond blade for porcelain tile

The general name of the saw blade for cutting ceramic tiles is the diamond blade. The diamond blade is a cutting tool that is widely used in the processing of hard and brittle materials such as concrete, refractory materials, stone, and ceramics.

The quality of processing depends on the technology of the processor and the quality of the diamond blade. Here is how to choose the best ceramic tile diamond blade.

1. The choice of diamond particle size

When the diamond grain size is coarse and single grain size, the saw blade tip is sharp and the sawing efficiency is high, but the bending strength of the diamond agglomeration is reduced;

When the diamond particle size is fine or coarse and fine particle size are mixed, the durability of the saw blade bit is high, but the efficiency is low. Considering the above factors, it is more appropriate to choose a diamond particle size of 50/60 mesh.

2. Selection of diamond distribution concentration

Within a certain range, when the diamond concentration changes from low to high, the sharpness and sawing efficiency of the saw blade will gradually decrease, and the service life will gradually extend; but if the concentration is too high, the saw blade will become blunt. Instead, use a low concentration, Coarse granularity, efficiency will be improved.

Using the different functions of each part of the cutter head during sawing, using different concentrations (that is, the middle layer can use a lower concentration in a three-layer or more layer structure), and the middle groove is formed on the cutter head during the sawing process. It is beneficial to prevent the saw blade from swinging, thereby improving the quality of stone processing.

3. The choice of diamond strength

The strength of diamond is an important indicator to ensure the cutting performance. Too high strength will make the crystal not easy to break, the abrasive grains will be polished during use, and the sharpness will decrease, resulting in deterioration of tool performance;

When the strength of diamond is not enough, it is easy to break after being impacted, and it is difficult to bear the heavy task of cutting. Therefore, the strength should be selected at 130~140N.

4. The choice of binder phase

The performance of the saw blade does not only depend on the diamond, but depends on the overall performance of the composite material of the cutter head formed by the proper cooperation of the diamond and the binder.

For soft stones such as marble, the mechanical properties of the cutter head are required to be relatively low, and copper-based binders can be selected. However, the copper-based binders have low sintering temperature, low strength and hardness, high toughness, and low bonding strength with diamond. .

5. Selection of sintering process

As the temperature increases, the densification degree of the carcass increases, and the bending strength also increases, and with the extension of the holding time, the bending strength of the blank carcass and diamond agglomerates first increases and then decreases. 120s sintering process at 800℃ to meet performance requirements.

Generally, circular saw blades with specifications below 250mm are called small-diameter saw blades, which are suitable for cutting marble, granite, ceramic tiles, concrete, decorative materials, and building damage and grooving. , Wear resistance and other characteristics, can be used in two types of dry cutting and wet cutting.

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