The difference of resin, vitrified, metal and electroplating bond

The main components of the resin bond are resin and auxiliary materials, which are mixed with diamond powder, and are solidified by pressure heating and solidified to form a diamond tool. These tools have small grinding force and grinding heat, good self-sharpness and are not easy to block. High processing efficiency and good quality, but its low strength, poor heat resistance and fast wear, mainly used for processing hard alloys, it is the most used in diamond tools.

The main components of the vitrified bond are glass (silica, boric acid, zinc oxide, cerium oxide, spodumene, etc.), clay, colorant, binder (dextrin, resin, water glass, etc.), mixed with diamond abrasive, molded High temperature firing, solid bonding with the matrix to form a diamond tool. These diamond tools have high hardness, high brittleness, small elastic deformation, good heat resistance, self-sharpness, wear resistance, and grinding efficiency between resin and metal. In the meantime, it is mainly used for rough grinding, semi-rough grinding and forming of cemented carbide, titanium carbide, hard ceramics, etc. Due to the high temperature, the disadvantages of diamond performance and complicated process equipment, such diamond tools are not widely used. .

The metal bond is also sintered, brazed, electroplated, etc. The sintering is a mixture of metal powder such as copper powder, iron powder, nickel powder and diamond particles, which is sintered at a high temperature and firmly combined with the substrate to form a diamond tool. Good grip, thick working layer, durable and durable, but not sharp enough.

The vacuum brazed diamond tool is made of metal flux mixed with diamond and brazed. The diamond has good holding power, wear resistance and sharpness. Usually it can only be made into a layer of diamond, and its life is not as good as sintering.

The electroplated diamond wheel is firmly combined with the substrate by electroplating. The metal plated is mainly nickel and its alloy. The diamond has good holding power and can be used as a single layer of diamond or as a multi-layer diamond. No high temperature is used, it has no effect on the performance of diamonds, and the process equipment is correspondingly simple. It can be used as a diamond tool with complex molding surface and high precision, which is unmatched by other methods.