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Formula design of diamond segment
Publish Date:2020-10-16
The performance of the diamond segment mainly depends on the structural parameters of the formula design. The structural parameters of the formula include the grade, the particle size and the concentration of the diamond powder and the ratio of the matrix material components. The ratio of the matrix components determines the strength and hardness, density and wear resistance and toughness. When designing the formula, it should be based on the nature of the processed object, such as the hardness, strength, particle thickness, abrasiveness, the technical parameters of the processing method (such as cutting rate, feed speed, linear speed), processing quality, cutting efficiency and service life to comprehensively consider, and design rationally.
Consider formula design based on the nature of the processing object: rock hardness, high strength, fine particles, strong abrasiveness, it requires to use diamonds with high grade and fine particle size, and matrix bond with higher hardness and strength. If the rock is softer, coarser particles, and weak abrasiveness, it can be used for diamond with lower grade and coarser particle size and matrix with lower hardness and strength.
Consider the formula based on the technical parameters of the processing method: When at high linear speed and fast cutting rate, diamond and the matrix are mainly impact wear, in this case, need to use the diamond with high grade, high strength and fine particle size and the matrix with high strength and good toughness are required. When the linear speed and cutting rate are low, diamond and the matrix are mainly worn by grinding, diamond with lower strength and coarser particle size and the matrix with better wear resistance can be used. Usually the rotation speed of the equipment is fixed, the linear speed of the saw blade is unchanged, and the speed of the cutting speed is controlled by the operator. When high grade and fine particle size diamond in the segment, and high strength and hardness of the matrix, it can allow the cutting rate to increase. The cutting rate is equal to the cutting speed by cutting depth. When the cutting rate is the same, fast cutting speed with small cutting depth is beneficial to the diamond segment.
Consider the formula according to the processing quality requirements: high cutting efficiency, use of high-grade and coarse grit diamonds. To have a long service life, prepare fine grit diamonds, higher diamond concentration and matrix with good wear resistance, strength and toughness.
In summary, the following elements need to be considered during the processing of diamond segments:
The hardness, strength, particle size, abrasiveness, processing method, machinery used, processing efficiency (speed and efficiency) and service life of the processing object are the basic parts of the formula design. With these parameters to have the benchmark policy for adjusting segment. According to these different parameters, it uses different diamond particle size, concentration and strength, different matrix binders and other materials, and then according to the matrix binder material to control the sintering temperature and pressure, and finally form a personalized and unique diamond segment product.
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