Metal nano material composite binder and composite binder diamond grinding wheel

Abstract

The invention discloses a metal nano material composite binder and a composite binder diamond grinding wheel which is produced by using the metal nano material composite binder. The metal nano material composite binder comprises, by weight percentage, 20-40% of nano materials, 20-75% of tin powder, 10-25% of copper powder, 5-20% of zinc powder, 5-10% of phosphorus powder, 3-10% of tungsten powder, 1-7% of lead powder and 1-5% of zinc borate. The grinding wheel produced by using the metal nano material composite binder is good in elasticity and polishing effect, good in self-sharpening performance, less prone to blocking, little in trimming, high in grinding efficiency and low in grinding temperature. In addition, the surface ground by the grinding wheel is high in smoothness.

Description

technical field [0001] The invention belongs to the field of diamond grinding wheels, and in particular relates to a metal nanomaterial composite binder and a composite binder diamond grinding wheel prepared by using the metal nanomaterial composite binder. Background technique [0002] Compared with ordinary grinding wheels, diamond grinding wheels have the characteristics of high grinding efficiency, good surface finish, high grinding quality and low cost. The main features of diamond grinding wheels are high hardness, high thermal conductivity, and high sharpness, resulting in high grinding rates. It is suitable for high-efficiency and powerful grinding in modern industrial mechanical processing, and is suitable for processing high-hard materials such as hard alloys, optical glass, ceramics, quartz, gemstones, ferrite, semiconductor materials, cast iron, hardened steel, building materials, and refractory materials. . [0003] Diamond grinding wheel is to use diamond for...

AI Technical Summary

Problems solved by technology

[0004] Although the traditional resin-bonded diamond grinding wheel has good sharpness, good self-sharpening, high grinding efficiency, low grinding heat, and can improve the surface roughness of the workpiece, it has low heat resistance and low holding force on diamond abrasives. , the diamond abrasive grains are easy to fall off, the wear resistance is insufficient, the dressing gap is short, which affects the production efficiency, and because the resin bond is an organic material, limited by the performance of the resin itself, the heat resistance, water resistance and wear resistance of the grinding wheel are poor. Perform precision profile grinding

[0005] Although the vitrified bond diamond grinding wheel has strong grinding ability, low grinding temperature, strong self-sharpening and good sharpness, it has poor wear resistance and is difficult to repair; however, because the vitrified bond currently used is a low-temperature ceramic inorganic material, a large amount of Alkaline substances in the bonding agent are easy to volatilize during the preparation process of the bonding agent and cause the performance of the bonding agent to be unstable. In the manufacturing process of the diamond grinding wheel, the wettability of the bonding agent to diamond is poor, which greatly reduces the holding force of the bonding agent on diamond. Diamonds are easy to fall off during the grinding process, and the loss is large

[0006] Although the metal bond diamond grinding wheel has high strength, good geometric shape retention of the working surface, long life and impact resistance, it has poor self-sharpening and low efficiency, which cannot meet the needs of continuous processing

[0007] The excellent sharpness, self-sharpness and super wear resistance of the diamond grinding wheel are the key to fully improving the processing efficiency of the CNC grinding machine; and the grinding wheel bond is the key factor affecting the performance of the diamond grinding wheel. The traditional single bond can no longer meet the requirements. The need for the performance of diamond grinding wheels for CNC grinding machines that require high processing efficiency