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diamond segment for granite cutting process selection

  • Categories:Industry news
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  • Time of issue:2021-06-09 11:29
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(Summary description)Diamond segment for granite cutting is the main body of diamond saw blades. The cutter head of the diamond saw blade is composed of diamond and matrix bond.

diamond segment for granite cutting process selection

(Summary description)Diamond segment for granite cutting is the main body of diamond saw blades. The cutter head of the diamond saw blade is composed of diamond and matrix bond.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2021-06-09 11:29
  • Views:
Information

Diamond segment for granite cutting is the main body of diamond saw blades. The cutter head of the diamond saw blade is composed of diamond and matrix bond. Diamond is a kind of super hard material, which plays the role of cutting edge. The matrix bond plays the role of fixing the diamond. It is made of simple metal powder or metal alloy powder. Composition, different compositions are called recipes, and the recipes are different from diamonds according to different uses.

customized diamond segment for granite cutting on sales
Diamond segment for granite cutting process selection:
1. Selection of diamond particle size
The manufacturer of diamond segment for granite cutting tells you that when the diamond grain size is coarse and single grain size, the saw blade tip is sharp and the cutting efficiency is high, but the bending strength of the diamond agglomeration is reduced; when the diamond grain size is fine or the coarse and fine grains are mixed, the saw The blade head has high durability but low efficiency. Considering the above factors, it is more appropriate to choose a diamond particle size of 50/60 mesh.
2. Selection of diamond distribution concentration
The manufacturer of diamond segment for granite cutting tells you that within a certain range, when the diamond concentration changes from low to high, the sharpness and cutting efficiency of the saw blade will gradually decrease, while the service life will gradually extend; but if the concentration is too high, the saw blade will Dull. With low concentration and coarse particle size, the efficiency will be improved. The manufacturer of diamond segment for granite cutting tells you to use the different functions of each part of the cutter head during sawing, and use different concentrations (that is, the middle layer can use a lower concentration in a three-layer or more layer structure). The cutter head is used in the sawing process. The middle groove is formed in the work, which is beneficial to prevent the saw blade from swinging, thereby improving the quality of stone processing.
3. The choice of diamond strength
The manufacturer of diamond segment for granite cutting tells you that the strength of diamond is an important index to ensure cutting performance. Too high strength will make the crystals difficult to break, and the abrasive grains will be polished during use, and the sharpness will decrease, leading to deterioration of tool performance; when the strength of diamond is not enough, it will break easily after being impacted, and it is difficult to bear the heavy task of cutting. Therefore, the strength should be selected between 130 and 140N.
4. The choice of binder phase
The manufacturer of diamond segment for granite cutting tells you that 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 stone such as marble, the mechanical properties of the cutter head are required to be relatively low, and copper-based adhesives can be used. However, the copper-based binder has low sintering temperature, low strength and 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 the strength, hardness and bonding characteristics, and a small amount of Cu, Sn, Zn and other metals with low melting point and low hardness are added for bonding phase. The particle size of the main ingredient should be finer than 200 mesh, and the particle size of the additive ingredient should be finer than 300 mesh.
5. Selection of sintering process
The manufacturer of diamond segment for granite cutting tells you that as the temperature increases, the degree of densification 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 To increase first and then decrease, sintering process at 800°C for 120s can be selected to meet performance requirements.

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