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What is the best diamond blade for cutting ceramic tiles

Ceramic tile is a very widely used decoration material in the decoration industry, and in the decoration process, it is often necessary to use a cutting blade to modify the ceramic tile.

The blades for cutting ceramic tiles are also called diamond blades, which are used for special processing of hard and brittle materials such as stone, ceramics, and concrete.

So how to choose the best diamond blade for cutting ceramic tiles

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 cutting efficiency of the saw blade gradually decrease, while the service life is gradually extended;

However, if the concentration is too high, the saw blade will become dull. However, with a low concentration and coarse particle size, the 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 helpful 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 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 used.

However, the copper-based binder has low sintering temperature, low strength, hardness, high toughness, and low bonding strength with diamond. When tungsten carbide (WC) is added, WC or W2C is used as the framework metal, and an appropriate amount of cobalt is added to improve Strength, hardness and bonding characteristics, and add a small amount of low melting point and low hardness Cu, Sn, Zn and other metals as the binding phase. The main additive component particle size should be finer than 200 mesh, and the additive component particle size should be finer than 300 mesh.

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.

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-Quotation Manager

-WhatsApp: +8613636921105

-Email: tools@wanlongstone.com

-Official website: www.wanlongmachines.com

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