High-temperature-resistant grinding-resistant diamond grinding block and preparation method thereof

Abstract

The invention discloses a high-temperature-resistant grinding-resistant diamond grinding block. The high-temperature-resistant grinding-resistant diamond grinding block is prepared from, by weight, 90-100 parts of diamond, 40-50 parts of aluminum isopropoxide, 2-3 parts of tin powder, 1-2 parts of polyvinylpyrrolidone, 20-30 parts of ferric chloride hexahydrate, 17-21 parts of ferric chloride tetrachloride, 10-15 parts of toluene diisocynate, 14-20 parts of polyadipic acid-1,4-butanediol ester diol, 3-4 parts of acetone and 0.4-1 part of 2,6-butylated hydroxytoluene. According to the high-temperature-resistant grinding-resistant diamond grinding block, the colloidal sol-coated ferric oxides, diamond and tin powder are added, and therefore the sintering stability of a finished product can be effectively improved; and the added prepolymers have the very good bonding effect, therefore, the coating stability can be improved, and the high temperature resistance and the grinding resistance of a finished product module can be enhanced.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to a high-temperature-resistant grinding wear-resistant diamond grinding block and a preparation method thereof. Background technique [0002] At present, in grinding products such as natural stone, artificial quartz stone and concrete, there are disadvantages such as poor versatility, low grinding efficiency, and high processing cost. The main reasons for this phenomenon are as follows: In conventional grinding tools, diamond The concentration of different areas in the metal matrix is ​​not consistent. In the diamond-enriched area, the impact force on a single diamond is small, and it is easy to be rounded and polished, resulting in a decrease in cutting efficiency. At the same time, due to the dense diamonds in the same area, it is easy to The carcass will fall off automatically due to insufficient effort on the handle; in the rare diamond area, the concentration of diamond is...

AI Technical Summary

Problems solved by technology

[0002] At present, grinding products such as natural stone, artificial quartz, and concrete have shortcomings such as poor versatility, low grinding efficiency, and high processing costs. The main reasons for this phenomenon are as follows: In conventional grinding tools, diamond The concentration of different areas in the metal matrix is ​​not consistent. In the diamond-enriched area, the impact force on a single diamond is small, and it is easy to be rounded and polished, resulting in a decrease in cutting efficiency. At the same time, due to the dense diamonds in the same area, it is easy to The carcass will fall off automatically due to insufficient effort on the handle; in the rare diamond area, the concentration of diamond is low, and it is easy to cause the diamond particles to fall off or break due to excessive load during work, resulting in a short service life of the diamond; the current conventional Grinding tools are mainly made of metal powder mixed with diamond and sintered by hot pressing. The carcass holds the diamond mainly through mechanical coating. The bonding strength between the two is low, which makes the diamond easy to fall off prematurely and the abrasive utilization rate is low. , short tool life