Zirconium corundum heavy load strong abrasive band

Abstract

The present invention relates to abrasive belt, and is especially one kind of powerful zirconia corundum supported abrasive belt comprising cloth base, adhesive and grinding material zirconia corundum adhered onto the cloth base. It features the adhesive comprising thermosetting phonetic resin 28-36 wt%, diphenol propane type epoxy resin 4-8 wt%, melamine resin 1-4 wt%, boron 0.2-0.6 wt%, dispersant 0.1-0.3 wt%, coupling agent 0.1-0.3 wt%, diluent 3-6 wt%, fluoride salt 45-60 wt%, fluoride of inert gas 0.5-1 wt%. The abrasive belt has high heat resistance high adhesion strength at high temperature, capacity of softening metal surface and lowering surface hardness, no damage to metal surface and high grinding efficiency.

Description

technical field [0001] The invention relates to an abrasive belt, in particular to a zirconium corundum heavy-duty strong abrasive belt. Background technique [0002] With the rapid development of the machinery industry, the requirements for coated abrasive products are getting higher and higher, and the consumption is also increasing. In the grinding process of the surface treatment of metal structural parts, various requirements are also put forward for the grinding of the workpiece to be ground. [0003] Countries with developed machinery industries in Asia such as Japan and South Korea have developed a strong abrasive belt for rough grinding and medium grinding on the surface of metal components under heavy load conditions in recent years, which is called heavy-duty strong abrasive belt. This kind of heavy-duty powerful abrasive belt abroad has occupied the entire Asian market including China for a period of time. At present, the high-quality heavy-duty strong abrasive...

AI Technical Summary

Problems solved by technology

At present, the adhesive for heavy-duty strong abrasive belts in the domestic market is made of a mixture of phenolic resin, dispersant, emulsifier, thinner, etc. Its main defects are: ① Low heat resistance: During the heavy-duty grinding process, the grinding The high temperature is generated between the tool and the metal component for a short time, and the high temperature generated instantaneously during grinding will cause the surface of the workpiece to be ground to burn (deform or discolor)

②The bonding strength at high temperature is low. During the heavy-duty grinding process, high temperature is generated between the abrasive tool and the metal component for a short time, the adhesive with low heat resistance changes, the ability to hold the abrasive is seriously insufficient, and the sand grains fall off and lose the abrasive. grinding ability, leading to a serious decline in the grinding effect of the product, or even unable to meet the grinding requirements

It is precisely because of the above defects of the adhesive that the domestic heavy-duty strong abrasive belt will burn the metal surface during grinding, the abrasive is easy to fall off, the grinding efficiency is low, and the service life is short