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What is the cutting principle of diamond tools for stone?

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  • Time of issue:2021-01-12 17:06
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(Summary description)As a diamond tools for stone supplier,our diamond tools have low price and good quality,OEM customized is available.

What is the cutting principle of diamond tools for stone?

(Summary description)As a diamond tools for stone supplier,our diamond tools have low price and good quality,OEM customized is available.

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2021-01-12 17:06
  • Views:
Information

Metal bonded diamond tools were introduced into the natural stone and civil engineering industries several decades ago. Undoubtedly, their use has brought revolutionary changes to material removal and increased processing productivity. However, although the tool performance has been significantly improved, the main factor limiting the widespread use of diamond tools is their high price. Therefore, it is particularly important for people to fully grasp the principle of turning and grinding performance. It is true that people can predict the best processing conditions, but the knowledge of grinding during processing is the most fundamental condition to achieve the best processing size and improve diamond performance.

In the natural stone industry and related industries, diamond tools are widely used for cutting operations. One of the most widely used processing methods for diamond tools is called "sawing", which is not only widely used in the field of stone, but also in civil engineering. Therefore, turning tools must be used in the processing conditions of these industries. Diamond materials are also used in other processing in this field.


Use diamond tools to process the material to shape the diamond cutting end. This phenomenon occurs when cutting all materials. In cutting stone, there will be some outstanding features. First: Although the term "sawing" is widely used, the beginning of the processing operation is a grinding process.

The factors that directly or indirectly affect the diamond cutting process model are:

1. The physical material properties of stone, such as particle size and strength
2. The force between diamond and material
3. Tension distribution in stone
4. Tool temperature on the contact surface of the workpiece

  
The cutting edge is deformed due to the elasticity of the plastic workpiece
The friction between the stone and the diamond, the friction between the stone and the substrate, the friction between the cutting debris and the substrate.
In the front of the diamond particles during processing, the tension is caused by the tangential force. In this area, chips are generated by stretching and pressure. This pattern is called the initial diamond cutting end formation. Cutting debris overflows through the front groove and the middle of the particle.

During the cutting process, the stone shows its expansion and contraction performance to increase the maximum tension, and the most important thing is to achieve the minimum cutting thickness. The material removed is deformed by the pressure derived from the lower part of the diamond. After the solidified diamond particles on the tool are removed, elastic recovery will occur, resulting in critical stress, which will cause the hard shape to break. The pattern arising from the stretching pressure is named the second diamond chip tip formation. The result of the cutting process is the appearance of a large amount of chips, which play a cooling role for the machining process.


Affected by the mineral composition of the stone, the wear resistance index of the diamond joint is determined by the composition of the cutting part and the processing parameters. For the technical application discussed above, the wear resistance of the joint is the matrix wear resistance on the one hand, and the diamond wear resistance on the other hand. A kind of grinding process: due to high-level stone processing machinery and the processing process, especially the grinding process of the stone under thermal stress load grinding conditions, the diamond particles will be affected. On the other hand, the debris accumulates in the middle of the abrasive, which leads to wear of the matrix joint. Both processing methods will affect the tool wear resistance and processing results.
Tool wear caused by debris depends on the composition of the stone. Unlike cutting tools, particles composed of debris contain deformed and smaller particles of deep rock. During the cutting process, the fracture of the sedimentary rock is close to the bottom of the diamond particles, mainly because of the low strength of the tool bonding material. After the cutting process, small pieces and high hardness stone chips will appear. In this example, the wear resistance effect of diamond particles is not significant compared with high-abrasive stone chips, but the wear rate of the diamond tool matrix is ​​significantly increased.

Xinguang Diamond Tools Co.,Ltd have the best diamond tools for stone,as a diamond tools for stone supplier,our diamond tools have low price and good quality,OEM customized is available.If you need to buy cheap and best quality diamond tools for stone,welcome to contact us.


 

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